Re: [Xen-devel] (XEN) Xen BUG at amd_nonfatal.c:165 on a new amd g34 board

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

Try 'no-mce' on xen-4.0 or xen-unstable command line, or 'nomce' on xen-3.4
command line. Looks like MCE support playing up. You probably didn't want
the MCE goop enabled anyway. :-)

 -- Keir

On 07/05/2010 02:45, "Luke S Crawford" <lsc@xxxxxxxxx> wrote:

> 
> so I get this on bootup right after detecting USB.  this is using the
> 2.6.18.8-xen dom0 kernel.   I got the same results with the 3.4.3-rc6 xen
> hypervisor.  
> 
> Ideas on what the problem might be?  looking at amd_nonfatal it seems that
> the MCE code is in an impossible state?
> 
> (XEN) Xen BUG at amd_nonfatal.c:165
> (XEN) ----[ Xen-3.4.2  x86_64  debug=n  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    e008:[<ffff828c801778f9>] mce_amd_work_fn+0x1d9/0x1f0
> (XEN) RFLAGS: 0000000000010246   CONTEXT: hypervisor
> (XEN) rax: 0000000000000ffe   rbx: ffff828c8024ff28   rcx: 0000000000000000
> (XEN) rdx: c0080ffe01000000   rsi: 0000000000000413   rdi: 0000000000000000
> (XEN) rbp: 000000025f13f8e0   rsp: ffff828c8024fe60   r8:  ffff828c8028f800
> (XEN) r9:  0000000000000000   r10: 0000000000000005   r11: 0000000000000000
> (XEN) r12: 0000000000000000   r13: ffff828c80177720   r14: ffff83081fd7b190
> (XEN) r15: ffff83081fd7b190   cr0: 000000008005003b   cr4: 00000000000006f0
> (XEN) cr3: 00000004ca4a6000   cr2: 000000000083c770
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
> (XEN) Xen stack trace from rsp=ffff828c8024fe60:
> (XEN)    0000000000000000 c0080ffe01000000 ffff828c80221180 ffff828c8011a12c
> (XEN)    ffff8300dfc2c060 ffff828c80221180 ffff83081fd7b198 ffff828c8011a20d
> (XEN)    000000024ab06880 0000000000000000 ffff828c8024ff28 ffff828c80267900
> (XEN)    ffff828c80266900 0000000000000000 ffff828c80221100 ffff828c801185b8
> (XEN)    000000000000e008 ffff828c8024ff28 ffff828c80266900 ffff828c802215b0
> (XEN)    000000025e3b7f20 ffff828c80138fcc 0000000000000000 ffff8300dfafc000
> (XEN)    ffff8300dfc2c000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000246
> (XEN)    0000000000000008 00000000ffff8e54 0000000000000054 0000000000000000
> (XEN)    ffffffff802053aa 0000000000000001 0000000000000000 0000000000000001
> (XEN)    0000010000000000 ffffffff802053aa 000000000000e033 0000000000000246
> (XEN)    ffffffff80511f50 000000000000e02b 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 ffff8300dfafc000
> (XEN) Xen call trace:
> (XEN)    [<ffff828c801778f9>] mce_amd_work_fn+0x1d9/0x1f0
> (XEN)    [<ffff828c8011a12c>] execute_timer+0x2c/0x50
> (XEN)    [<ffff828c8011a20d>] timer_softirq_action+0xbd/0x2e0
> (XEN)    [<ffff828c801185b8>] do_softirq+0x58/0x80
> (XEN)    [<ffff828c80138fcc>] idle_loop+0x4c/0xa0
> (XEN)    
> (XEN) 
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) Xen BUG at amd_nonfatal.c:165
> (XEN) ****************************************
> (XEN) 
> (XEN) Reboot in five seconds...
> 
> 
> 
> 
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