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Bug 846920 - [virtio-win][scsi]System_reset guest while it is undergoing heavily pressure will lead to core dumped
Summary: [virtio-win][scsi]System_reset guest while it is undergoing heavily pressure ...
Keywords:
Status: CLOSED DUPLICATE of bug 805501
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.4
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: rc
: ---
Assignee: Vadim Rozenfeld
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-08-09 06:32 UTC by Min Deng
Modified: 2012-08-19 13:21 UTC (History)
12 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-08-19 13:21:14 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
The analysis of Core.930 (947 bytes, application/octet-stream)
2012-08-09 07:06 UTC, Min Deng 		no flags Details
View All

Description Min Deng 2012-08-09 06:32:17 UTC 
Description of problem:
Coredump occurred while system_reset guest which was undergoing heavily press.

Version-Release number of selected component (if applicable):
virtio-win-prewhql-0.1-32

How reproducible:
100%
Steps to Reproduce:
1.boot up guest with the CLI
  /usr/libexec/qemu-kvm -m 2G -smp 4 -cpu cpu64-rhel6,+x2apic,family=0xf -usb -device usb-tablet -device virtio-scsi-pci,id=scsi0 -drive file=win7-32-scsi.qcow2,format=qcow2,if=none,id=drive-virtio0,cache=writeback,werror=stop,rerror=stop,serial=systemdisk -device scsi-hd,bus=scsi0.0,drive=drive-virtio0,id=virtio-blk-pci0,bootindex=1 -netdev tap,sndbuf=0,id=hostnet0,script=/etc/qemu-ifup,downscript=no -device e1000,netdev=hostnet0,mac=00:12:27:44:27:18 -uuid 57d734cb-bdf2-44d7-b750-9dff30e9d46b -no-kvm-pit-reinjection -chardev socket,id=111a,path=/tmp/monitor-win732-scsi,server,nowait -mon chardev=111a,mode=readline -rtc base=localtime,clock=host,driftfix=slew -chardev socket,id=seabios_debug,path=/tmp/monitor-seabios,server,nowait -device isa-debugcon,iobase=0x402,chardev=seabios_debug -device virtio-scsi-pci,id=scsi1 -drive file=disk1.qcow2,if=none,format=qcow2,cache=writeback,id=drive-virtio-data1,werror=stop,rerror=stop,serial=disk1data -device scsi-hd,bus=scsi1.0,id=virtio-data1,drive=drive-virtio-data1 -device virtio-scsi-pci,id=scsi2 -drive file=disk2.qcow2,if=none,cache=writeback,format=qcow2,id=drive-virtio-data2,werror=stop,rerror=stop -device scsi-hd,bus=scsi2.0,id=virtio-data2,drive=drive-virtio-data2 -device virtio-scsi-pci,id=scsi3 -drive file=disk3.qcow2,cache=writethrough,if=none,format=qcow2,id=drive-virtio-data3,werror=stop,rerror=stop -device scsi-hd,bus=scsi3.0,id=virtio-data3,drive=drive-virtio-data3 -device virtio-scsi-pci,id=scsi4 -drive file=disk4.qcow2,if=none,format=qcow2,cache=writethrough,id=drive-virtio-data4,werror=stop,rerror=stop -device scsi-hd,bus=scsi4.0,id=virtio-data4,drive=drive-virtio-data4 -bios /usr/share/seabios/bios-pm.bin -spice port=5931,disable-ticketing -vga qxl -monitor stdio -qmp tcp:0:4444,server,nowait
2.please run multiple Crystal Disk Mark Apps on the five disks in order to give heavily press for the guest for reproducing
  Notes,the size of the guest image about 30G and each data disk about 2G. 
3.then do S4 (install qxl driver for the guest beforehand)
4.do system_reset from monitor 

Actual results:
Users can wake up guest,or via system_reset from monitor,the guest can reboot successfully
Expected results:
After system_reset,the guest became to black screen and at last,Core dumped happened.
-----------------------------------------------------------------------------
(qemu) system_reset
(qemu) Segmentation fault (core dumped)

Additional info:
Comment 1 Mike Cao 2012-08-09 06:34:58 UTC 
This is a qemu-kvm bug ,move to the right component
Comment 4 Min Deng 2012-08-09 07:06:39 UTC 
Created attachment 603186 [details]
The analysis of Core.930

The error log of core dump files via gdb
Comment 5 Paolo Bonzini 2012-08-19 13:21:14 UTC 

*** This bug has been marked as a duplicate of bug 805501 ***
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