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[Qemu-devel] Strange virtio regression on mainline and stable-0.10
From: |
Avi Kivity |
Subject: |
[Qemu-devel] Strange virtio regression on mainline and stable-0.10 |
Date: |
Tue, 05 May 2009 12:52:52 +0300 |
User-agent: |
Thunderbird 2.0.0.21 (X11/20090320) |
Running the Fedora 10 installer on a virtio disk on current master and
on v0.10.3 will cause the installer to complain when mounting the
freshly formatted filesystems. A bisect (on stable-0.10) yielded
4df8f71ee5276fb22a810bbb67db3a4288f5cad4 is first bad commit
commit 4df8f71ee5276fb22a810bbb67db3a4288f5cad4
Author: aliguori <address@hidden>
Date: Fri Apr 17 20:44:41 2009 +0000
qcow2 corruption: Fix alloc_cluster_link_l2 (Kevin Wolf)
This patch fixes a qcow2 corruption bug introduced in SVN Rev 5861.
L2 tables
are big endian, so entries must be converted before being passed to
functions.
This bug is easy to trigger. The following script will create and
destroy a
qcow2 image (the header is gone after three loop iterations):
#!/bin/bash
qemu-img create -f qcow2 test.qcow 1M
for i in $(seq 1 10); do
qemu-system-x86_64 -hda test.qcow -monitor stdio > /dev/null
2>&1 <<EOF
savevm test-$i
quit
EOF
done
Signed-off-by: Kevin Wolf <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
As the guilty commit.
I don't understand it, as free_any_clusters() shouldn't be called while
formatting. Any ideas?
--
error compiling committee.c: too many arguments to function
- [Qemu-devel] Strange virtio regression on mainline and stable-0.10,
Avi Kivity <=