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[Qemu-devel] [Bug 583296] [NEW] I/O errors with qemu-nbd/qcow2
From: |
David Weber |
Subject: |
[Qemu-devel] [Bug 583296] [NEW] I/O errors with qemu-nbd/qcow2 |
Date: |
Thu, 20 May 2010 12:07:26 -0000 |
Public bug reported:
I tried to open a qcow2 file with qemu-nbd and backup the files in it.
After some coping I get lot of I/O errors in dmesg and the system hangs.
One time I got even a kernel panic (Of course on a productive Server ;-)
)
How to reproduce:
1. Connect nbd to a qcow2 file, a virtual machine mustn't use this file:
qemu-nbd --connect=/dev/nbd0 /mnt/qcow/andromeda.qcow2
2. Read some data from /dev/nbd0p1
dd if=/dev/nbd0p1 of=/dev/null bs=1M
After a few Seconds till Minutes somethings crash's
Attached some dmesg logs
** Affects: qemu
Importance: Undecided
Status: New
--
I/O errors with qemu-nbd/qcow2
https://bugs.launchpad.net/bugs/583296
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Status in QEMU: New
Bug description:
I tried to open a qcow2 file with qemu-nbd and backup the files in it. After
some coping I get lot of I/O errors in dmesg and the system hangs. One time I
got even a kernel panic (Of course on a productive Server ;-) )
How to reproduce:
1. Connect nbd to a qcow2 file, a virtual machine mustn't use this file:
qemu-nbd --connect=/dev/nbd0 /mnt/qcow/andromeda.qcow2
2. Read some data from /dev/nbd0p1
dd if=/dev/nbd0p1 of=/dev/null bs=1M
After a few Seconds till Minutes somethings crash's
Attached some dmesg logs
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