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[Qemu-devel] [Bug 1428958] Re: random IO errors / data corruption in VMs
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [Bug 1428958] Re: random IO errors / data corruption in VMs (created and executed via virt-manager) |
Date: |
Wed, 11 Mar 2015 12:11:57 -0000 |
Can you please retry with current qemu.git master? I suspect that this
is a duplicate of https://bugs.launchpad.net/qemu/+bug/1422307 and fixed
in commit f0ab6f10 (a bug in the code handling VirtualBox's VDI image
format).
In general, running VMs with image formats of other hypervisors is not
recommended, both for reliability and performance reasons. You may want
to consider using qcow2 or raw instead.
--
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https://bugs.launchpad.net/bugs/1428958
Title:
random IO errors / data corruption in VMs (created and executed via
virt-manager)
Status in QEMU:
New
Bug description:
I have recurring problems with VM installation and usage - data on VM disk
gets corrupted at some point and it causes all sorts of problems - sometimes I
cannot even install base system, other times some .so files are corrupt after
isntallation, etc - totally random.
I use virt-manager to create and run VMs. I have also tried creating VMs via
virt-install, result is identical.
If I use VirtualBox I have no such problems.
My OS is Fedora 20 upgraded to 21, qemu and libvirt are installed from Fedora
official repos.
Here's an example qemu command-line:
/usr/bin/qemu-system-x86_64
-machine accel=kvm
-name fuel
-S
-machine pc-i440fx-2.1,accel=kvm,usb=off
-cpu
SandyBridge,+invpcid,+erms,+bmi2,+smep,+avx2,+bmi1,+fsgsbase,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+movbe,+pcid,+pdcm,+xtpr,+fma,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme
-m 3142
-realtime mlock=off
-smp 2,sockets=2,cores=1,threads=1
-uuid 27693a46-7a50-4a3c-bcaf-bf061ba469ed
-no-user-config
-nodefaults
-chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/fuel.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control
-rtc base=utc,driftfix=slew
-global kvm-pit.lost_tick_policy=discard
-no-hpet
-no-shutdown
-boot menu=on,strict=on
-device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x6.0x7
-device
ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x6
-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x6.0x1
-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x6.0x2
-device lsi,id=scsi0,bus=pci.0,addr=0xa
-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x7
-drive
file=/home/virtual-disks/fuel.vdi,if=none,id=drive-virtio-disk0,format=vdi
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x8,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-drive
file=/home/dsutyagin/Downloads/iso/MirantisOpenStack-6.0.iso,if=none,id=drive-scsi0-0-0,readonly=on,format=raw
-device
scsi-cd,bus=scsi0.0,scsi-id=0,drive=drive-scsi0-0-0,id=scsi0-0-0,bootindex=2
-netdev tap,fd=23,id=hostnet0,vhost=on,vhostfd=24
-device
virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:0d:42:2d,bus=pci.0,addr=0x3
-netdev tap,fd=25,id=hostnet1,vhost=on,vhostfd=26
-device
virtio-net-pci,netdev=hostnet1,id=net1,mac=52:54:00:a4:8c:ef,bus=pci.0,addr=0x4
-chardev pty,id=charserial0
-device isa-serial,chardev=charserial0,id=serial0
-chardev
socket,id=charchannel0,path=/var/lib/libvirt/qemu/channel/target/fuel.org.qemu.guest_agent.0,server,nowait
-device
virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0
-chardev spicevmc,id=charchannel1,name=vdagent
-device
virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=com.redhat.spice.0
-device usb-tablet,id=input0
-spice port=5900,addr=127.0.0.1,disable-ticketing,seamless-migration=on
-device
qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,bus=pci.0,addr=0x2
-device intel-hda,id=sound0,bus=pci.0,addr=0x5 -device
hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0
-chardev spicevmc,id=charredir0,name=usbredir
-device usb-redir,chardev=charredir0,id=redir0
-chardev spicevmc,id=charredir1,name=usbredir
-device usb-redir,chardev=charredir1,id=redir1
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x9
-msg timestamp=on
If this is not a bug, I'd be happy if you help me fix this problem. I
am sorry if this is not the proper place to post such a problem.
qemu-system-x86_64 --version
QEMU emulator version 2.1.3 (qemu-2.1.3-2.fc21), Copyright (c) 2003-2008
Fabrice Bellard
qemu-kvm --version
QEMU emulator version 2.1.3 (qemu-2.1.3-2.fc21), Copyright (c) 2003-2008
Fabrice Bellard
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