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Date: Wed, 20 Feb 2008 07:01:09 +0100 From: Soeren Sonnenburg <kernel@....de> To: "Rafael J\. Wysocki" <rjw@...k.pl> Cc: Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: 2.6.25-rc2 regression - hang on suspend 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). So what next? Soeren -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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