[Xen-devel] cpu.c BUG, Xen or hardware failure?

[Thiago Camargo Martins Cordeiro <thiagocmartinsc@xxxxxxxxx>]

Hi!

 Today one of my domU is showing the following message at the xvc0 console:

BUG: warning at /home/administrativo/xen-3.3.2/linux-2.6.18-xen.hg/kernel/cpu.c:53/unlock_cpu_hotplug()

Call Trace:
 [<ffffffff80248c7a>] unlock_cpu_hotplug+0x3f/0x6c
 [<ffffffff802295b2>] sched_getaffinity+0x7e/0x90
 [<ffffffff8024f281>] compat_sys_sched_getaffinity+0x1d/0x4a
 [<ffffffff8021ebda>] sysenter_do_call+0x1b/0x25

BUG: warning at /home/administrativo/xen-3.3.2/linux-2.6.18-xen.hg/kernel/cpu.c:53/unlock_cpu_hotplug()

Call Trace:
 [<ffffffff80248c7a>] unlock_cpu_hotplug+0x3f/0x6c
 [<ffffffff802295b2>] sched_getaffinity+0x7e/0x90
 [<ffffffff8024f281>] compat_sys_sched_getaffinity+0x1d/0x4a
 [<ffffffff8021ebda>] sysenter_do_call+0x1b/0x25

 This can be the root of some weird problems with the domU...

 This is a hardware failure or Xen BUG?!

Thanks,
Thiago
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