Bug#638172: BUG: soft lockup - CPU#0 stuck for 61s! [qemu-dm:3205]

[Giuseppe Sacco <giuseppe@eppesuigoccas.homedns.org>]

Hi Ben,

Il giorno mer, 17/08/2011 alle 13.08 +0100, Ben Hutchings ha scritto:
[...]
> This indicates there was an earlier WARNING from the kernel; what was
> that?

here it is:

Aug 17 12:07:23 centrum kernel: [    0.004000] WARNING: at /tmp/buildd/linux-2.6-2.6.32/debian/build/source_i386_xen/arch/x86/xen/enlighten.c:726 perf
_events_lapic_init+0x28/0x29()
Aug 17 12:07:23 centrum kernel: [    0.004000] Hardware name: MS-7368
Aug 17 12:07:23 centrum kernel: [    0.004000] Modules linked in:
Aug 17 12:07:23 centrum kernel: [    0.004000] Pid: 0, comm: swapper Not tainted 2.6.32-5-xen-686 #1
Aug 17 12:07:23 centrum kernel: [    0.004000] Call Trace:
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c1037819>] ? warn_slowpath_common+0x5e/0x8a
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c103784f>] ? warn_slowpath_null+0xa/0xc
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c1011d90>] ? perf_events_lapic_init+0x28/0x29
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c14033c5>] ? init_hw_perf_events+0x2dd/0x376
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c1403018>] ? check_bugs+0x8/0xd8
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c13fb808>] ? start_kernel+0x309/0x31d
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c13fd410>] ? xen_start_kernel+0x564/0x56b
Aug 17 12:07:23 centrum kernel: [    0.004000]  [<c1409045>] ? check_nmi_watchdog+0xe5/0x1f2
Aug 17 12:07:23 centrum kernel: [    0.004000] ---[ end trace a7919e7f17c0a725 ]---