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PM / sleep: Increase default DPM watchdog timeout to 60

Many harddisks (mostly WD ones) have firmware problems and take too
long, more than 10 seconds, to resume from suspend.  And this often
exceeds the default DPM watchdog timeout (12 seconds), resulting in a
kernel panic out of sudden.

Since most distros just take the default as is, we should give a bit
more safer value.  This patch increases the default value from 12
seconds to one minute, which has been confirmed to be long enough for
such problematic disks.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=91921
Fixes: 70fea60d888d (PM / Sleep: Detect device suspend/resume lockup and log event)
Cc: 3.13+ <stable@vger.kernel.org> # 3.13+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Takashi Iwai 10 years ago
parent
commit
fff3b16d27
1 changed files with 1 additions and 1 deletions
  1. 1 1
      kernel/power/Kconfig

+ 1 - 1
kernel/power/Kconfig

@@ -187,7 +187,7 @@ config DPM_WATCHDOG
 config DPM_WATCHDOG_TIMEOUT
 config DPM_WATCHDOG_TIMEOUT
 	int "Watchdog timeout in seconds"
 	int "Watchdog timeout in seconds"
 	range 1 120
 	range 1 120
-	default 12
+	default 60
 	depends on DPM_WATCHDOG
 	depends on DPM_WATCHDOG
 
 
 config PM_TRACE
 config PM_TRACE