From: Alec Joseph Rivera <eijhei@gmail.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Alexander Graf <agraf@suse.de>,
kvm@vger.kernel.org, Meric Mara <mmara@8layertech.com>,
Renan Mara <rmara@8layertech.com>
Subject: Re: 2.6.16 Guest Hangs on Boot
Date: Thu, 16 Sep 2010 19:11:17 +0800 [thread overview]
Message-ID: <1284635477.7482.223.camel@nami.8liens.com> (raw)
In-Reply-To: <20100916110247.GA15338@8bytes.org>
On Thu, 2010-09-16 at 13:02 +0200, Joerg Roedel wrote:
> On Thu, Sep 16, 2010 at 12:27:29PM +0200, Alexander Graf wrote:
> > Alec Joseph Rivera wrote:
> > > Program received signal SIGINT, Interrupt.
> > > 0xc015405f in ?? ()
> > > (gdb) bt
> > > #0 0xc015405f in ?? ()
> > >
> >
> > 0xc015405a <__pte_alloc_kernel+82>: mov (%edi),%eax
> > 0xc015405c <__pte_alloc_kernel+84>: mov 0x4(%edi),%edx
> > 0xc015405f <__pte_alloc_kernel+87>: lock cmpxchg8b (%edi)
> > 0xc0154063 <__pte_alloc_kernel+91>: jne 0xc015405a
> > <__pte_alloc_kernel+82>
>
> This looks like a bug I also have seen recently on 32 bit host-kvm. The
> instruction emulation for 'lock cmpxchg8b' was broken so that the rip
> was not advanced and the guest just iterated over this instruction again
> and again. I thought this was fixed with the latest kvm updates in
> 2.6.36.
>
Will wait for a 2.6.36 kernel then or compile a .36-rc myself on free
time :-)
Thanks, will update the list when either comes.
> Joerg
>
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next prev parent reply other threads:[~2010-09-16 11:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-15 16:53 2.6.16 Guest Hangs on Boot Alec Joseph Rivera
2010-09-15 17:28 ` Alexander Graf
2010-09-15 17:48 ` Alec Joseph Rivera
2010-09-15 17:51 ` Alexander Graf
2010-09-15 18:07 ` Alec Joseph Rivera
2010-09-15 18:15 ` Alexander Graf
2010-09-15 18:26 ` Alec Joseph Rivera
2010-09-16 1:55 ` Alec Joseph Rivera
2010-09-16 6:39 ` Gleb Natapov
2010-09-16 7:52 ` Alec Joseph Rivera
2010-09-16 7:56 ` Gleb Natapov
2010-09-16 8:03 ` Alec Joseph Rivera
2010-09-16 10:11 ` Alec Joseph Rivera
2010-09-16 10:14 ` Gleb Natapov
2010-09-16 11:13 ` Alec Joseph Rivera
2010-09-16 11:18 ` Gleb Natapov
2010-09-16 10:27 ` Alexander Graf
2010-09-16 11:02 ` Joerg Roedel
2010-09-16 11:11 ` Alec Joseph Rivera [this message]
2010-09-16 11:32 ` Joerg Roedel
2010-09-16 11:35 ` Michael Tokarev
2010-09-16 11:41 ` Gleb Natapov
2010-09-16 11:43 ` Joerg Roedel
2010-09-16 11:37 ` Alec Joseph Rivera
2010-09-16 11:41 ` Gleb Natapov
2010-09-16 11:51 ` Alec Joseph Rivera
2010-09-15 18:37 ` Michael Tokarev
2010-09-16 8:17 ` Alec Joseph Rivera
2010-09-16 8:32 ` Dave Young
2010-09-16 9:56 ` Alec Joseph Rivera
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