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[Qemu-devel] [Bug 739088] [NEW] I/O errors after "Save/Restore"
From: |
Launchpad Bug Tracker |
Subject: |
[Qemu-devel] [Bug 739088] [NEW] I/O errors after "Save/Restore" |
Date: |
Mon, 22 Aug 2011 12:25:34 -0000 |
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qemu-kvm commit: b73357ecd2b14c057134cb71d29447b5b988c516
( Author: Marcelo Tosatti <address@hidden> Date: Wed Mar 16 17:04:16 2011
-0300)
kvm commit: a72e315c509376bbd1e121219c3ad9f23973923f
After restoring from saved img, some I/O errors appear in dmesg and file
system is read-only. I'm sure that the guest runs normally before
saving. See the pictures attached in detail.
Reproduce steps:
----------------
1.create a guest:
qemu-img create -b /share/xvs/img/app/ia32e_SMP.img -f qcow2
/root/test0320.img
qemu-system-x86_64 -m 256 -net nic,macaddr=00:16:3e:06:8a:08,model=rtl8139
-net tap,script=/etc/kvm/qemu-ifup -hda /root/test0320.img
2.save the guest:
on qemu monitor: migrate "exec:dd of=/root/test-save.img"
3.quit from qemu:
"q" command on qemu monitor
4.restore from img just saved:
qemu-system-x86_64 -m 256 -net nic,macaddr=00:16:3e:06:8a:08,model=rtl8139
-net tap,script=/etc/kvm/qemu-ifup -incoming=/roo/test-save.img
5.see dmesg in restored guest, you'll find some I/O errors. And run some
commands such as "ps", "touch","reboot" and so on. Then some I/O errors appear.
** Affects: qemu
Importance: Undecided
Status: New
** Tags: error io
--
I/O errors after "Save/Restore"
https://bugs.launchpad.net/bugs/739088
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