Re: [Xen-devel] Testing status of HVM (Intel VT) on 64bit XEN unstable c/s 11686

[Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>]

Hi Ed,

Changeset 11729:6e932f32662c of xen-unstable should fix these crashes.

Cheers,

Tim.

At 09:22 -0400 on 04 Oct (1159953769), Ed Smith wrote:
> These bugs happen every time for me.  To reproduce the bug I do the
> following:
> 
> - Boot a release build of XEN
> - Launch a RHEL4U2-32bit HVM guest, 256MB, 2CPU SMP kernel, 4GB swap
> file, local SATA disk
> - ssh into the guest and run the following test:
>   # while [ 1 ]; do mtest01 -v -p80; done
> - Within 1 or 2 passes of the test I hit one of the several crashes
> reported.
> - Nothing else is running on the guest and this is the only guest
> running on XEN.
> 
> Hope this helps,
> Ed
> 
> 
> -----Original Message-----
> From: Tim Deegan [mailto:Tim.Deegan@xxxxxxxxxxxxx] 
> Sent: Wednesday, October 04, 2006 9:13 AM
> To: Ed Smith
> Cc: Xen Devel
> Subject: Re: [Xen-devel] Testing status of HVM (Intel VT) on 64bit XEN
> unstable c/s 11686
> 
> Hi Ed, 
> 
> At 16:05 -0400 on 03 Oct (1159891531), Ed Smith wrote:
> > - NEW: Domain crash running ltp "mtest01 -p80" on 32bit SMP
> >   HVM guest and then XEN locked up requiring a hard reset:
> >   domain_crash_sync called from private.h:495 (failure.8)
> > - XEN crash running ltp "mtest01 -p80" on 32bit SMP HVM guest:
> >   BUG at multi.c:2967 from sh_page_fault__shadow_3_guest_3 (failure.3)
> 
> We're having some difficulty reproducing these failures.  Are you
> running full ltp tests or just the mtest01 binary?  Are you running
> anything else in the VM at the time?  How often do the failures occur?
> Was there a difference between the tests which caused the two failures
> or did they happen on different runs of the same test?
> 
> Cheers,
> 
> Tim.

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