Debian Lenny kernel for Xen is really bugly, I spent on them few months
and give up. 
As fast and dirty solution - use native centos kernel with native centos
initrd and kill nash from rc.local - in this mode it works somehow.
В Срд, 27/10/2010 в 11:49 +0200, ml ml пишет:
> Hello List,
>
> my Debian Lenny DomU sometimes crashes after a live migration. Here is
> what i get on the console:
>
> WARNING: at arch/x86/kernel/microcode_core.c:453 mc_sysdev_resume+0x28/0x52()
> Pid: 4, comm: migration/0 Not tainted 2.6.35.4 #5
> Call Trace:
> [<ffffffff81039fec>] ? warn_slowpath_common+0x73/0x87
> [<ffffffff81068701>] ? cpu_stopper_thread+0x13d/0x16e
> [<ffffffff810244a9>] ? mc_sysdev_resume+0x28/0x52
> [<ffffffff8126596c>] ? __sysdev_resume+0x68/0xb5
> [<ffffffff81265a15>] ? sysdev_resume+0x5c/0x97
> [<ffffffff811fc99e>] ? xen_suspend+0xb8/0xbe
> [<ffffffff810687a5>] ? stop_machine_cpu_stop+0x73/0xa9
> [<ffffffff81068732>] ? stop_machine_cpu_stop+0x0/0xa9
> [<ffffffff810686a7>] ? cpu_stopper_thread+0xe3/0x16e
> [<ffffffff8138d0d7>] ? schedule+0x4f4/0x5be
> [<ffffffff810685c4>] ? cpu_stopper_thread+0x0/0x16e
> [<ffffffff8104cd69>] ? kthread+0x75/0x7d
> [<ffffffff810097a4>] ? kernel_thread_helper+0x4/0x10
> [<ffffffff81008ba3>] ? int_ret_from_sys_call+0x7/0x1b
> [<ffffffff8138ee9d>] ? retint_restore_args+0x5/0x6
> [<ffffffff810097a0>] ? kernel_thread_helper+0x0/0x10
> ---[ end trace f89d7f3ec5f33611 ]---
> PM: early resume of devices complete after 0.001 msecs
> PM: resume of devices complete after 0.001 msecs
>
>
> My Dom0 is Debian Squeeze with a 2.6.32.24-pvops kernel.
>
> Any idea?
>
> Thanks,
> Mario
>
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