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[Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeba
From: |
Коренберг Марк |
Subject: |
[Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest |
Date: |
Tue, 13 Jul 2010 06:18:09 -0000 |
New links:
http://dl3.ideco-software.ru/IdecoICS/IdecoICS_343_102.iso
http://dl1.ideco-software.ru/IdecoICS/IdecoICS_343_102.iso
http://dl2.ideco-software.ru/IdecoICS/IdecoICS_343_102.iso
For some reason the fall of KVM are much rarer, though earlier it fell
each time. I noticed that more often than not, it crashes when KVM is in
the background, and I say, sitting in the browser. It seems, that it is
true race-condition.
$ ./kvm --version
QEMU emulator version 0.12.50 (qemu-kvm-devel), Copyright (c) 2003-2008 Fabrice
Bellard
Also, I have checked - cache=writeback does not work not in ide, nor in
scsi. I mean that write cache does not work, and writing work as
writethrough. In old version of KVM (qemu-kvm-0.12.3) there is no such
bug.
--
KVM segmentation fault, using SCSI+writeback and linux 2.4 guest
https://bugs.launchpad.net/bugs/595438
You received this bug notification because you are a member of qemu-
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Status in QEMU: Confirmed
Bug description:
I Use Ubuntu 32 bit 10.04 with standard KVM.
I have Intel E7600 @ 3.06GHz processor with VMX
In this system I Run:
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
QEMU_AUDIO_DRV=none /usr/bin/kvm -M pc-0.12 -enable-kvm -m 256 -smp 1 -name
spamsender -uuid b9cacd5e-08f7-41fd-78c8-89cec59af881 -chardev
socket,id=monitor,path=/var/lib/libvirt/qemu/spamsender.monitor,server,nowait
-monitor chardev:monitor -boot d -drive
file=/mnt/megadiff/cdiso_400_130.iso,if=ide,media=cdrom,index=2 -drive
file=/home/mmarkk/spamsender2.img,if=scsi,index=0,format=qcow2,cache=writeback
-net nic,macaddr=00:00:00:00:00:00,vlan=0,name=nic.0 -net tap,vlan=0,name=tap.0
-chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -vnc
127.0.0.1:0 -vga cirrus
.iso image contain custom distro of 2.4-linux kernel based system. During
install process (when .tar.gz actively unpacked), kvm dead with segmentation
fault.
And ONLY when I choose scsi virtual disk and writeback simultaneously.
But, writeback+ide, writethrough+scsi works OK.
I use qcow2. It seems, that qcow does not have such problems.
Virtual machine get down at random time during file copy. It seems, when qcow2
file size need to be expanded.
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, (continued)
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/02
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/02
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/02
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/10
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/10
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/10
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/10
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/12
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest,
Коренберг Марк <=
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/15
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/28
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/28
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Serge Hallyn, 2010/07/28
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/29
- [Qemu-devel] [Bug 595438] Re: KVM segmentation fault, using SCSI+writeback and linux 2.4 guest, Коренберг Марк, 2010/07/31