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Re: [Xen-devel] kernel BUG at arch/x86/xen/mmu.c:1860!

To: Teck Choon Giam <giamteckchoon@xxxxxxxxx>
Subject: Re: [Xen-devel] kernel BUG at arch/x86/xen/mmu.c:1860!
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Tue, 8 Mar 2011 19:41:27 -0500
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Fajar A. Nugraha" <list@xxxxxxxxx>
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> > 4000000000000000: caf=8000000000000003 taf=4000000000000001
> > (XEN) mm.c:2825:d0 Error while installing new mfn 3b286
> > (XEN) mm.c:2794:d0 Mfn 35620 not pinned
> > (XEN) mm.c:2794:d0 Mfn 3b286 not pinned
> >
> > Takes a bit of time to reproduce it, but I can reproduce it on my CentOS
> > 5.5 OS.
> >
> Yep... it takes sometime to hit this bug and if you run my test script
> without any guest running will be faster to reproduce it.
> May I know what is your normal development platform/distribution for xen?  I

It used to be Fedora Core 13, but then I switched to Ubuntu 10.10 and 11.04.

> hope this isn't just distribution specific issue for PVOPS
> stable/xen-2.6.32.x Dom0... ... mostly not as from this thread alone I see
> someone saying they hit this bug as well and I believe they are not running
> CentOS 5.x... guess is debian based distribution.

I am trying to eliminate this being a userspace tool version issue. I am 
running a
similar test on a Fedora Core 13 box.

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