From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: Biweekly KVM Test report, kernel 51bfd299... qemu a1fce560...
Date: Mon, 11 Jun 2012 22:52:55 -0300
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Cc: "Ren, Yongjie" <yongjie.ren@intel.com>,
	Kevin Wolf <kwolf@redhat.com>, Avi Kivity <avi@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Liu, RongrongX" <rongrongx.liu@intel.com>,
	Anthony Liguori <anthony@codemonkey.ws>
To: Stefan Hajnoczi <stefanha@gmail.com>
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On Thu, Jun 07, 2012 at 01:13:50PM +0100, Stefan Hajnoczi wrote:
> >> >> The 1st bad commit in your attached list is abc551bd
> >> >> More detailed info:
> >> >> 171d2f2249a360d7d623130d3aa991418c53716d =A0 =A0 =A0 good
> >> >> fd453a24166e36a3d376c9bc221e520e3ee425af =A0 =A0 =A0 =A0good
> >> >> abc551bd456cf0407fa798395d83dc5aa35f6dbb =A0 =A0 =A0 =A0 bad
> >> >> 823ccf41509baa197dd6a3bef63837a6cf101ad8 =A0 =A0 =A0 =A0 bad
> >> >
> >> > Thanks, this points to the qcow2 v3 changes. Let's try to find t=
he exact
> >> > culprit. I have rebased the qcow2 patches on top of that good me=
rge
> >> > (fd453a24). Please apply the attached mbox on top of this merge:
> >> >
> >> > git checkout fd453a24
> >> > git am qcow2v3.mbox
> >> >
> >> > You can then start a git bisect between your new HEAD and fd453a=
24.
> >>
> >> Another thing you could try is if reverting e82dabd and bef0fd59 f=
ixes
> >> the problem for you.
> >>
> > After reverting bef0fd59, it can work fine.
>=20
> I'm unable to reproduce this with qemu-kvm.git/master
> (18b012756fd041556764dfa2bb1f307b6923fb71) or the commit you
> 3fd9fedb9fae4517d93d76e93a2924559cacf2f6 reported as bad.  The RHEL 6
> guest boots without any issues.  My host kernel is Linux 3.2 (Debian
> 3.2.0-2-amd64).  The guest is Linux 2.6.32-71.el6.
>=20
> Since the guest sees a disk read error, it may be useful to add
> printfs to hw/ide/core.c:ide_sector_read_cb().  Let's find out why th=
e
> disk read is failing.

Any news on this problem?=20