Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: 2.6.25-rc2 regression - hang on suspend | Date | Thu, 21 Feb 2008 01:31:53 +0100 |
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On Wednesday, 20 of February 2008, Soeren Sonnenburg wrote: > On Wed, 2008-02-20 at 00:50 +0100, Rafael J. Wysocki wrote: > > On Tuesday, 19 of February 2008, Soeren Sonnenburg wrote: > > > On Tue, 2008-02-19 at 22:06 +0100, Rafael J. Wysocki wrote: > > > > On Tuesday, 19 of February 2008, Soeren Sonnenburg wrote: > > > > > Hi, > > > > > > > > Hi, > > > > > > > > > since 2.6.25-rc1 (first version I tried) and still in rc2 (and git), I > > > > > see a hang on s2ram already when trying to suspend. > > > > > > > > Does it work with 2.6.24? > > > > > > yes. > > > > Please take the current mainline (there are a couple of nasty bugs fixed in > > it), configure it with CONFIG_PM_DEBUG set, boot it with "no_console_suspend", > > run > > > > # echo 8 > /proc/sys/kernel/printk > > # echo devices > /sys/power/pm_test > > # echo mem > /sys/power/state > > > > If it hangs, it should leave a stack trace before and I need that trace to see > > what's going on. If it doesn't hang, I'll tell you what to do next. > > I tried with 2.6.24.2 with CONFIG_PM_DEBUG set, following your steps and > yes it works flawlessly (though the display did not come back I could > suspend/resume multiple times without problems, and finally s2ram -f -p > brought the display back).
Hm, there's no /sys/power/pm_test in 2.6.24.2 (and the "current mainline" means the latest -git kernel possible or the current top of the Linus' tree), so in fact you tested 2.6.24 again, that is known to work ...
Thanks, Rafael
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