Messages in this thread | | | Subject | Re: 2.6.21-rc2-git3 soft lockup detected on CPU#0 (crash dump kernel) | From | Thomas Gleixner <> | Date | Mon, 05 Mar 2007 11:34:29 +0100 |
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On Mon, 2007-03-05 at 09:08 +0100, Ingo Molnar wrote: > * Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote: > > > http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc2-git3-kdump/log2.txt > > weird. Could you do a dump with SysRq-T, SysRq-Q done /twice/ after each > other, to see how the system progresses while in this lockup? Plus > please also try to get a register dump via SysRq-P. > > Btw., the task state printout seems busted: > > udev_run_devd ? C15B0030 2544 979 853 (L-TLB) > > shouldnt that be 'R' instead of the question mark?
? are dead ones,
[<c16191d9>] do_exit+0x6f9/0x6fd [<c161924d>] sys_exit_group+0x0/0x11 [<c161925c>] sys_exit_group+0xf/0x11 [<c1603e72>] sysenter_past_esp+0x5f/0x99
The interesting part is here:
1 lock held by udevd/918: #0: (&mm->mmap_sem){----}, at: [<c161135b>] do_page_fault+0x150/0x50d
But udevd/918 is nowhere in the sysrq-t output.
tglx
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