Messages in this thread | | | Date | Fri, 2 Mar 2007 15:39:34 +0100 | From | Pavel Machek <> | Subject | Re: Resume from S2R fails after dpm_resume() |
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On Fri 2007-03-02 07:25:49, Tim Gardner wrote: > Pavel Machek wrote: > > Hi! > > > >> I instrumented 2.6.21-rc1 base/power/resume.c device_resume() with > >> TRACE_RESUME(0) as the last statement in the function. Sure enough it > >> was the last hash value in the RTC after a hard reboot when resume failed: > >> > >> [ 12.028820] hash matches drivers/base/power/resume.c:104 > >> > >> The machine appears to be absolutely wedged after initiating resume by > >> pressing the power button. The disk flashes for a half second or so, > >> then thats it. > >> > >> It is a Dell XPS, BIOS rev A04. I'm using 'echo 1 > /sys/power/pm_trace; > >> echo mem > /sys/power/state' to initiate the S2R sequence. > >> > >> Any suggestions on where to go from here? > > > > Did it work ok in 2.6.20? Can you try to get video working/get serial > > console/something? > > Pavel > > Pavel, > > The last version that worked well was Ubuntu Edgy (2.6.17). It was > broken by 2.6.18. I have not started the 'git bisect' process, instead > I've been trying to figure out why it doesn't work in 2.6.21-rc2. Using > the TRACE_RESUME macro I've drilled down to > kernel/printk.c:__call_console_drivers. So far the last trace info that > I have is just before the call to con->write(). I'm trying to figure out > what driver has registered as the console (intel_agp or agpgart?). > > Am I banging my head on a known problem?
2.6.21-rc* is known broken (in more than 1 way). I'd suggest playing with 2.6.20. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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