Messages in this thread | | | Subject | Re: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325, related to clockevents | From | Thomas Gleixner <> | Date | Tue, 25 Sep 2007 22:46:32 +0200 |
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Rafael,
On Tue, 2007-09-25 at 22:07 +0200, Rafael J. Wysocki wrote: > On Tuesday, 25 September 2007 15:17, Thomas Gleixner wrote: > > On Tue, 2007-09-25 at 15:16 +0200, Rafael J. Wysocki wrote: > [--snip--] > > > > I start to get desperate. Below is a patch, which moves the apic timer > > disable check after the calibration routine. Can you please apply on top > > of -hrt and add "noapictimer" to the command line ? Does it boot ? > > 2.6.23-rc7 with patch-2.6.23-rc7-hrt1.patch and the patch below applied boots > with noapictimer and doesn't boot without it.
That was expected. I explicitly asked to add "noapictimer" to the kernel command line.
Ok, so we ruled out the apic timer calibration routine. I did not expect that this would be the culprit, but with "dark screen" as the only debug info, I need to resort to small steps.
Can you please send me the output of /proc/timer_list of 2.6.23-rc7-hrt1 after booting with "noapictimer" ?
I'm a bit confused by your earlier confirmation, that mainline w/o the -hrt patches boots fine, when you add "apicmaintimer" to the kernel command line. "apicmaintimer" stops the PIT like we do in -hrt and we just use the local APIC timer for everything. Can you please retest and confirm that this is correct ?
Is the 32 bit kernel working on that box ?
Thanks for your patience.
tglx
PS: I just sent out the "disable APIC timer for AMD C1E boxen" patch. We debugged this half a year ago on a nx6325, but I completely forgot about that. The explanation from AMD was sensible, but your "apicmaintimer" works statement is contradictory.
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