Re: [Xen-ia64-devel] [Test Report] Xen/IPF Unstable CS#18860 Status --- Dom0 Crash

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Mon, Dec 08, 2008 at 01:52:38PM +0800, Zhang, Jingke wrote:
> Isaku Yamahata wrote:
> > On Mon, Dec 08, 2008 at 11:31:15AM +0800, Zhang, Jingke wrote:
> >> Hi Isaku,
> >>     We re-get the detail information from serial port, please see
> >> below. Two comments add: 
> > 
> > Thank you.
> > 
> > 
> >>     1. We can be sure the Cset#18832 works well on the same tiger4
> >> machine. But we did not do regression test between 18832 and this
> >> 18860.  
> >>     2. It is strange that on another Tiger4 box, dom0 will NOT
> >> crash. Do you have any idea from the serial log? Thanks! 
> > 
> > I haven't hit this crash. And Kuwamura-san's test seems that
> > he haven't hit it either. Kuwamura-san, is it correct?
> > Hmm... it seems to depend on hw configuration?
> > I'm inclined to suspect masking/unmasking interruption race.
> > event channel issues? But that's just only my very vague guess.
> > 
> > The difference between 18832 and 18860 means the merging xen-unstable
> > into xen-ia64-unstable.
> > Looking the log, I suspect linux-2.6.18-xen instead of xen.
> > Could you provide the linux c/s which corresponds to 18832 and 18860?
> 
> 
> Hi Isaku,
>     Yes, some of our machines do not crash. I am afraid there may be some 
> potential issue.
>     By testing 18832, we use linux#742. While 18860 uses linux#753. Thanks!

Thank you. Taking rough look at them those change sets doesn't
seem culprit.
I agree with you that this may indicate some potential bugs...

-- 
yamahata

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