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: 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. 
Our scenario is injecting #MCs to different pages and expect no crash of 
result, however our internal scripts handled it to same page but still expect 
no crash of result, it's our internal scripts problem.

> > Let's close this bug thread, sorry for the invalid report
> 
> ... wasn't this premature?
> 

Could we close it now?


Thanks,
-Xudong

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