On Fri, 2007-03-02 at 15:39 +0100, Pavel Machek wrote: > 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.
It's broken for him in 2.6.20 too, which led him to test 2.6.21-rc, and some vanilla kernels back to 2.6.18. Everything past 2.6.17 is broken for him. -- Ubuntu: http://www.ubuntu.com/ Linux1394: http://www.linux1394.org/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
