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740 lines
18 KiB
740 lines
18 KiB
========================== |
|
WatchDog Module Parameters |
|
========================== |
|
|
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This file provides information on the module parameters of many of |
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the Linux watchdog drivers. Watchdog driver parameter specs should |
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be listed here unless the driver has its own driver-specific information |
|
file. |
|
|
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See Documentation/admin-guide/kernel-parameters.rst for information on |
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providing kernel parameters for builtin drivers versus loadable |
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modules. |
|
|
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------------------------------------------------- |
|
|
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watchdog core: |
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open_timeout: |
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Maximum time, in seconds, for which the watchdog framework will take |
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care of pinging a running hardware watchdog until userspace opens the |
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corresponding /dev/watchdogN device. A value of 0 means an infinite |
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timeout. Setting this to a non-zero value can be useful to ensure that |
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either userspace comes up properly, or the board gets reset and allows |
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fallback logic in the bootloader to try something else. |
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|
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------------------------------------------------- |
|
|
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acquirewdt: |
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wdt_stop: |
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Acquire WDT 'stop' io port (default 0x43) |
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wdt_start: |
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Acquire WDT 'start' io port (default 0x443) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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advantechwdt: |
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wdt_stop: |
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Advantech WDT 'stop' io port (default 0x443) |
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wdt_start: |
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Advantech WDT 'start' io port (default 0x443) |
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timeout: |
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Watchdog timeout in seconds. 1<= timeout <=63, default=60. |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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alim1535_wdt: |
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timeout: |
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Watchdog timeout in seconds. (0 < timeout < 18000, default=60 |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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alim7101_wdt: |
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timeout: |
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Watchdog timeout in seconds. (1<=timeout<=3600, default=30 |
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use_gpio: |
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Use the gpio watchdog (required by old cobalt boards). |
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default=0/off/no |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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ar7_wdt: |
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margin: |
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Watchdog margin in seconds (default=60) |
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nowayout: |
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Disable watchdog shutdown on close |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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armada_37xx_wdt: |
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timeout: |
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Watchdog timeout in seconds. (default=120) |
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nowayout: |
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Disable watchdog shutdown on close |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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at91rm9200_wdt: |
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wdt_time: |
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Watchdog time in seconds. (default=5) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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at91sam9_wdt: |
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heartbeat: |
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Watchdog heartbeats in seconds. (default = 15) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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|
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------------------------------------------------- |
|
|
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bcm47xx_wdt: |
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wdt_time: |
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Watchdog time in seconds. (default=30) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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coh901327_wdt: |
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margin: |
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Watchdog margin in seconds (default 60s) |
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|
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------------------------------------------------- |
|
|
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cpu5wdt: |
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port: |
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base address of watchdog card, default is 0x91 |
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verbose: |
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be verbose, default is 0 (no) |
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ticks: |
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count down ticks, default is 10000 |
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|
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------------------------------------------------- |
|
|
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cpwd: |
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wd0_timeout: |
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Default watchdog0 timeout in 1/10secs |
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wd1_timeout: |
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Default watchdog1 timeout in 1/10secs |
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wd2_timeout: |
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Default watchdog2 timeout in 1/10secs |
|
|
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------------------------------------------------- |
|
|
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da9052wdt: |
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timeout: |
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Watchdog timeout in seconds. 2<= timeout <=131, default=2.048s |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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davinci_wdt: |
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heartbeat: |
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Watchdog heartbeat period in seconds from 1 to 600, default 60 |
|
|
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------------------------------------------------- |
|
|
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ebc-c384_wdt: |
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timeout: |
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Watchdog timeout in seconds. (1<=timeout<=15300, default=60) |
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nowayout: |
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Watchdog cannot be stopped once started |
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|
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------------------------------------------------- |
|
|
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ep93xx_wdt: |
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nowayout: |
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Watchdog cannot be stopped once started |
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timeout: |
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Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) |
|
|
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------------------------------------------------- |
|
|
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eurotechwdt: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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io: |
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Eurotech WDT io port (default=0x3f0) |
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irq: |
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Eurotech WDT irq (default=10) |
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ev: |
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Eurotech WDT event type (default is `int`) |
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|
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------------------------------------------------- |
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|
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gef_wdt: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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|
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------------------------------------------------- |
|
|
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geodewdt: |
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timeout: |
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Watchdog timeout in seconds. 1<= timeout <=131, default=60. |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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|
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------------------------------------------------- |
|
|
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i6300esb: |
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heartbeat: |
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Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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iTCO_wdt: |
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heartbeat: |
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Watchdog heartbeat in seconds. |
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(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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iTCO_vendor_support: |
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vendorsupport: |
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iTCO vendor specific support mode, default=0 (none), |
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1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS |
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|
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------------------------------------------------- |
|
|
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ib700wdt: |
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timeout: |
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Watchdog timeout in seconds. 0<= timeout <=30, default=30. |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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ibmasr: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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imx2_wdt: |
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timeout: |
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Watchdog timeout in seconds (default 60 s) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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|
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------------------------------------------------- |
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|
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indydog: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
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|
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iop_wdt: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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it8712f_wdt: |
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margin: |
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Watchdog margin in seconds (default 60) |
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nowayout: |
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Disable watchdog shutdown on close |
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(default=kernel config parameter) |
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|
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------------------------------------------------- |
|
|
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it87_wdt: |
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nogameport: |
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Forbid the activation of game port, default=0 |
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nocir: |
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Forbid the use of CIR (workaround for some buggy setups); set to 1 if |
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system resets despite watchdog daemon running, default=0 |
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exclusive: |
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Watchdog exclusive device open, default=1 |
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timeout: |
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Watchdog timeout in seconds, default=60 |
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testmode: |
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Watchdog test mode (1 = no reboot), default=0 |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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ixp4xx_wdt: |
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heartbeat: |
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Watchdog heartbeat in seconds (default 60s) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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|
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------------------------------------------------- |
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machzwd: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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action: |
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after watchdog resets, generate: |
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0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI |
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|
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------------------------------------------------- |
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max63xx_wdt: |
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heartbeat: |
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Watchdog heartbeat period in seconds from 1 to 60, default 60 |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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nodelay: |
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Force selection of a timeout setting without initial delay |
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(max6373/74 only, default=0) |
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|
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------------------------------------------------- |
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|
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mixcomwd: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
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mpc8xxx_wdt: |
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timeout: |
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Watchdog timeout in ticks. (0<timeout<65536, default=65535) |
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reset: |
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Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
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|
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mv64x60_wdt: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
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ni903x_wdt: |
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timeout: |
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Initial watchdog timeout in seconds (0<timeout<516, default=60) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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nic7018_wdt: |
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timeout: |
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Initial watchdog timeout in seconds (0<timeout<464, default=80) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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omap_wdt: |
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timer_margin: |
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initial watchdog timeout (in seconds) |
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early_enable: |
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Watchdog is started on module insertion (default=0 |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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orion_wdt: |
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heartbeat: |
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Initial watchdog heartbeat in seconds |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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pc87413_wdt: |
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io: |
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pc87413 WDT I/O port (default: io). |
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timeout: |
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Watchdog timeout in minutes (default=timeout). |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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pika_wdt: |
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heartbeat: |
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Watchdog heartbeats in seconds. (default = 15) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
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pnx4008_wdt: |
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heartbeat: |
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Watchdog heartbeat period in seconds from 1 to 60, default 19 |
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nowayout: |
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Set to 1 to keep watchdog running after device release |
|
|
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------------------------------------------------- |
|
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pnx833x_wdt: |
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timeout: |
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Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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start_enabled: |
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Watchdog is started on module insertion (default=1) |
|
|
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------------------------------------------------- |
|
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pseries-wdt: |
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action: |
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Action taken when watchdog expires: 0 (power off), 1 (restart), |
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2 (dump and restart). (default=1) |
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timeout: |
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Initial watchdog timeout in seconds. (default=60) |
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nowayout: |
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Watchdog cannot be stopped once started. |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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rc32434_wdt: |
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timeout: |
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Watchdog timeout value, in seconds (default=20) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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riowd: |
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riowd_timeout: |
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Watchdog timeout in minutes (default=1) |
|
|
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------------------------------------------------- |
|
|
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s3c2410_wdt: |
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tmr_margin: |
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Watchdog tmr_margin in seconds. (default=15) |
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tmr_atboot: |
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Watchdog is started at boot time if set to 1, default=0 |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
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soft_noboot: |
|
Watchdog action, set to 1 to ignore reboots, 0 to reboot |
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debug: |
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Watchdog debug, set to >1 for debug, (default 0) |
|
|
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------------------------------------------------- |
|
|
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sa1100_wdt: |
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margin: |
|
Watchdog margin in seconds (default 60s) |
|
|
|
------------------------------------------------- |
|
|
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sb_wdog: |
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timeout: |
|
Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) |
|
|
|
------------------------------------------------- |
|
|
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sbc60xxwdt: |
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wdt_stop: |
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SBC60xx WDT 'stop' io port (default 0x45) |
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wdt_start: |
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SBC60xx WDT 'start' io port (default 0x443) |
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timeout: |
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Watchdog timeout in seconds. (1<=timeout<=3600, default=30) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
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------------------------------------------------- |
|
|
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sbc7240_wdt: |
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timeout: |
|
Watchdog timeout in seconds. (1<=timeout<=255, default=30) |
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nowayout: |
|
Disable watchdog when closing device file |
|
|
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------------------------------------------------- |
|
|
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sbc8360: |
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timeout: |
|
Index into timeout table (0-63) (default=27 (60s)) |
|
nowayout: |
|
Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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sbc_epx_c3: |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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sbc_fitpc2_wdt: |
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margin: |
|
Watchdog margin in seconds (default 60s) |
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nowayout: |
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Watchdog cannot be stopped once started |
|
|
|
------------------------------------------------- |
|
|
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sbsa_gwdt: |
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timeout: |
|
Watchdog timeout in seconds. (default 10s) |
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action: |
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Watchdog action at the first stage timeout, |
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set to 0 to ignore, 1 to panic. (default=0) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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sc1200wdt: |
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isapnp: |
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When set to 0 driver ISA PnP support will be disabled (default=1) |
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io: |
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io port |
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timeout: |
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range is 0-255 minutes, default is 1 |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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sc520_wdt: |
|
timeout: |
|
Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30) |
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nowayout: |
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Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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sch311x_wdt: |
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force_id: |
|
Override the detected device ID |
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therm_trip: |
|
Should a ThermTrip trigger the reset generator |
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timeout: |
|
Watchdog timeout in seconds. 1<= timeout <=15300, default=60 |
|
nowayout: |
|
Watchdog cannot be stopped once started |
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(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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scx200_wdt: |
|
margin: |
|
Watchdog margin in seconds |
|
nowayout: |
|
Disable watchdog shutdown on close |
|
|
|
------------------------------------------------- |
|
|
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shwdt: |
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clock_division_ratio: |
|
Clock division ratio. Valid ranges are from 0x5 (1.31ms) |
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to 0x7 (5.25ms). (default=7) |
|
heartbeat: |
|
Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30 |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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smsc37b787_wdt: |
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timeout: |
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range is 1-255 units, default is 60 |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
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softdog: |
|
soft_margin: |
|
Watchdog soft_margin in seconds. |
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(0 < soft_margin < 65536, default=60) |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
soft_noboot: |
|
Softdog action, set to 1 to ignore reboots, 0 to reboot |
|
(default=0) |
|
|
|
------------------------------------------------- |
|
|
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stmp3xxx_wdt: |
|
heartbeat: |
|
Watchdog heartbeat period in seconds from 1 to 4194304, default 19 |
|
|
|
------------------------------------------------- |
|
|
|
tegra_wdt: |
|
heartbeat: |
|
Watchdog heartbeats in seconds. (default = 120) |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
ts72xx_wdt: |
|
timeout: |
|
Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) |
|
nowayout: |
|
Disable watchdog shutdown on close |
|
|
|
------------------------------------------------- |
|
|
|
twl4030_wdt: |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
txx9wdt: |
|
timeout: |
|
Watchdog timeout in seconds. (0<timeout<N, default=60) |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
uniphier_wdt: |
|
timeout: |
|
Watchdog timeout in power of two seconds. |
|
(1 <= timeout <= 128, default=64) |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
w83627hf_wdt: |
|
wdt_io: |
|
w83627hf/thf WDT io port (default 0x2E) |
|
timeout: |
|
Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
w83877f_wdt: |
|
timeout: |
|
Watchdog timeout in seconds. (1<=timeout<=3600, default=30) |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
w83977f_wdt: |
|
timeout: |
|
Watchdog timeout in seconds (15..7635), default=45) |
|
testmode: |
|
Watchdog testmode (1 = no reboot), default=0 |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
wafer5823wdt: |
|
timeout: |
|
Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
wdt285: |
|
soft_margin: |
|
Watchdog timeout in seconds (default=60) |
|
|
|
------------------------------------------------- |
|
|
|
wdt977: |
|
timeout: |
|
Watchdog timeout in seconds (60..15300, default=60) |
|
testmode: |
|
Watchdog testmode (1 = no reboot), default=0 |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
wm831x_wdt: |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
wm8350_wdt: |
|
nowayout: |
|
Watchdog cannot be stopped once started |
|
(default=kernel config parameter) |
|
|
|
------------------------------------------------- |
|
|
|
sun4v_wdt: |
|
timeout_ms: |
|
Watchdog timeout in milliseconds 1..180000, default=60000) |
|
nowayout: |
|
Watchdog cannot be stopped once started
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