Re: [Xen-devel] [BUG] xen-mceinj tool testing cause dom0 crash

["Hao, Xudong" <xudong.hao@xxxxxxxxx>]

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Tuesday, November 7, 2017 4:09 PM
> To: Hao, Xudong <xudong.hao@xxxxxxxxx>
> Cc: Julien Grall <julien.grall@xxxxxxx>; George Dunlap
> <George.Dunlap@xxxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>; Zhang,
> Haozhong <haozhong.zhang@xxxxxxxxx>; xen-devel@xxxxxxxxxxxxx
> Subject: RE: [Xen-devel] [BUG] xen-mceinj tool testing cause dom0 crash
> 
> >>> On 07.11.17 at 02:37, <xudong.hao@xxxxxxxxx> wrote:
> >>  -----Original Message-----
> >> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> >> Sent: Monday, November 6, 2017 5:17 PM
> >> To: Hao, Xudong <xudong.hao@xxxxxxxxx>
> >> Cc: Julien Grall <julien.grall@xxxxxxx>; George Dunlap
> >> <George.Dunlap@xxxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>;
> >> Zhang, Haozhong <haozhong.zhang@xxxxxxxxx>; xen-devel@xxxxxxxxxxxxx
> >> Subject: RE: [Xen-devel] [BUG] xen-mceinj tool testing cause dom0
> >> crash
> >>
> >> >>> On 03.11.17 at 09:29, <xudong.hao@xxxxxxxxx> wrote:
> >> > We figured out the problem, some corner scripts triggered the error
> >> > injection at the same page (pfn 0x180020) twice, i.e. "./xen-mceinj
> >> > -t 0" run over one time, which resulted in Dom0 crash.
> >>
> >> But isn't this a valid scenario, which shouldn't result in a kernel crash?
> > What if
> >> two successive #MCs occurred for the same page?
> >> I.e. ...
> >>
> >
> > Yes, it's another valid scenario, the expect result is kernel crash.
> 
> Kernel _crash_ or rather kernel _panic_? Of course without any kernel messages
> we can't tell one from the other, but to me this makes a difference 
> nevertheless.
> 
Exactly, Dom0 crash.
And I didn't see any "kernel panic" message from the log -- attach the original 
log again.


Thanks,
-Xudong

Attachment: xen-mceinj.log
Description: xen-mceinj.log

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