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[Qemu-devel] [Bug 1254940] Re: qemu-KVM guest OS occurs many ext3-fs err
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 1254940] Re: qemu-KVM guest OS occurs many ext3-fs errors after multiple forced shutdown |
Date: |
Wed, 13 Sep 2017 07:30:50 -0000 |
** Changed in: qemu
Assignee: benjamin_zb (zhuben1989) => (unassigned)
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https://bugs.launchpad.net/bugs/1254940
Title:
qemu-KVM guest OS occurs many ext3-fs errors after multiple forced
shutdown
Status in QEMU:
Incomplete
Bug description:
Hi:
I met some filesysterm errors in a sles guest on KVM. My system environment
is:
HOST:
suse 10, the kernel version is 2.6.32.43
Qemu-KVM 1.2
Libvirt 1.0
guest OS:
suse 10, the kernel version is 2.6.32.43
VMs use a qcow2 disk.
Description of problem:
I have 20+ VMs with qcow2 disk, these VMs have been forced to shut down by
"virsh destroy" many times during and after VM installation.
When these vm reboot,dmesg show a ext3-fs mount error occurred on /usr/local
partion /dev/vda3:
EXT3-fs warning: mounting fs with errors, running e2fsck is recommendedand
when I wrote into partion /dev/vda3,some errors occurred in dmesg:
1.error (device vda3): ext3_free_blocks: Freeing blocks not in datazone -
block
= 1869619311, count = 1error (device vda3): ext3_free_blocks_sb: bit already
cleared for block 2178152error (device vda3): ext3_readdir: bad entry in
directory #1083501:
2.[347470.661893] attempt to access beyond end of device[347470.661896] vda3:
rw=0, want=6870892952, limit=41945715[347470.661897] EXT3-fs error (device
vda3): ext3_free_branches: Read failure, inode=1083508, block=858861618
3.EXT3-fs error (device vda3): ext3_new_block: block(4295028581) >= blocks
count(-1) - block_group = 1, es == ffff88021b6c7400
I suspect this fs-error is caused by multiple forced shutdown, but I can't
reproduce this bug now.
So if someone else encountered the same bugs(or fs errors) with me,
and what the reasons leads to these fs errors, is the qemu or KVM or
just my "rough" cmd.
Thanks in Advance
Regards
Ben
Steps to Reproduce:
I can't reproduce this bug now.
additional:
1.multiple forced shutdown during and after the vm installing
2.vm with qcow2 disk
3.different vm dmesg different errors in above error list(1/2/3)
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