Bug 603430

Summary:	"bdrv_write ret=-5" error display when stop guest on write error
Product:	Red Hat Enterprise Linux 5	Reporter:	Suqin Huang <shuang>
Component:	kvm	Assignee:	Virtualization Maintenance <virt-maint>
Status:	CLOSED NOTABUG	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	low
Version:	5.5.z	CC:	mkenneth, virt-maint, ykaul
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-06-13 07:49:57 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Suqin Huang 2010-06-13 07:26:36 UTC

Description of problem:
put image in nfs, start guest, and run dd in guest, then stop nfs. "bdrv_write ret=-5 qcow2: free_clusters failed: Input/output error" is display on monitor

Version-Release number of selected component (if applicable):
kvm-83-164.el5_5.11

How reproducible:
100%

Steps to Reproduce:
1. mount nfs
mount -o rw,soft,timeo=1,retrans=1 10.66.91.146:/root/share /mnt/
2. boot guest
/usr/libexec/qemu-kvm -no-hpet -usbdevice tablet -rtc-td-hack -drive file=/mnt/bak/rhel5.5-64-virtio.qcow2,format=qcow2,media=disk,if=virtio,boot=on,cache=off,index=0,werror=stop -smp 2 -m 2G  -vnc :3 -monitor stdio -net nic,vlan=0,macaddr=20:20:28:99:01:19,model=virtio -net tap,vlan=0,script=//usr/local/staf/test/RHEV/kvm-new/autotest/client/tests/kvm/scripts/qemu-ifup-switch -uuid `uuidgen` -cpu qemu64
3. run  dd
dd if=/dev/zero of=file bs=1M count=100
4. stop nfs

  
Actual results:
"bdrv_write ret=-5"
is display in monitor, can not operate monitor


Expected results:


Additional info:

Comment 1 Suqin Huang 2010-06-13 07:31:43 UTC

kernel: 2.6.18-194.3.1.el5
guest: rhel5.5-64 (kernel-201)