Bug 744560 - Host crashed when running netperf with vhost on
Summary: Host crashed when running netperf with vhost on
Keywords:
Status: CLOSED DUPLICATE of bug 730756
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.2
Hardware: Unspecified
OS: Linux
high
medium
Target Milestone: rc
: 6.2
Assignee: Red Hat Kernel Manager
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-10-09 11:19 UTC by langfang
Modified: 2011-10-10 02:28 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-10-10 02:28:33 UTC
Target Upstream Version:

Attachments (Terms of Use)
the log of core dump (47.69 KB, text/plain)
2011-10-09 11:19 UTC, langfang 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

Description langfang 2011-10-09 11:19:09 UTC 
Created attachment 527088 [details]
the log of core dump

Description of problem:
RHEL6.2 host crashed when starting a rhel 6.2 guest with vhost on and doing netperf from host to guest
host:
kernel:2.6.32-206.el6.x86_64
qemu-kvm:qemu-kvm-0.12.1.2-2.195.el6.x86_64

Version-Release number of selected component (if applicable):
kernel:

How reproducible:
100%

CLI:/usr/libexec/qemu-kvm -m 2G -smp 2 -cpu cpu64-rhel6,+x2apic -usb -usbdevice tablet -rtc base=localtime,clock=host,driftfix=slew -drive file=/home/RHEL6.2-64-virtio-0823.qcow2,format=qcow2,if=none,id=drive-ide0-0-0,werror=stop,rerror=stop,cache=none -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev tap,id=hostnet0,vhost=on,script=/etc/qemu-ifup -device virtio-net-pci,netdev=hostnet0,mac=00:10:20:2d:39:23,bus=pci.0,addr=0x4,id=net0 -boot order=cdn -uuid 3290efd3-7c9e-44f9-b5f7-af0f3a1b3066 -rtc-td-hack -no-kvm-pit-reinjection -monitor stdio -name rhel6.2-2011.09.07 -spice port=5830,disable-ticketing -vga qxl


Steps to Reproduce:
1.start VM with CLI listed above(vhost=on)
2.start netpert server on host
netserver
3.Run netperf client on guest
netperf -H 10.66.1.19 -p 12865 -l 180
  
Actual results:
Host crashed ,and reboot.
the host error: Write failed: Broken pipe

Expected results:
Host won't crash,network between guest and host works well.

Additional info:
Comment 1 langfang 2011-10-09 11:29:50 UTC 
about this kind information you can see the closed bug 602927 .thanks~
Comment 4 juzhang 2011-10-10 02:28:33 UTC 

*** This bug has been marked as a duplicate of bug 730756 ***
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