Bug 701931

Summary: Guest cannot reboot after doing kdump
Product: Red Hat Enterprise Linux 5 Reporter: Min Deng <mdeng>
Component: kvmAssignee: Gleb Natapov <gleb>
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: medium Docs Contact:
Priority: medium    
Version: 5.7CC: bcao, gcosta, juzhang, knoel, michen, mkenneth, virt-maint
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-05-18 12:28:27 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On:    
Bug Blocks: 580948    

Description Min Deng 2011-05-04 10:46:59 UTC
Description of problem:
Guest should reboot after doing kdump

Version-Release number of selected component (if applicable):
KVM Version is kvm-83-232.el5

How reproducible:
The issue can be always reproduced 

Steps to Reproduce:
---------------------------------cmdline----------------------------------------
 /usr/libexec/qemu-kvm -rtc-td-hack -usbdevice tablet -no-hpet -drive file=/hom/5u7.raw,if=virtio,boot=on,werror=stop,cache=none,format=raw,media=disk -smp 2 -m 4G -net nic,macaddr=00:12:24:57:a8:2e,model=virtio,vlan=0 -net tap,script=/etc/qemu-ifup,vlan=0 -uuid `uuidgen` -boot c -balloon none -notify all -spice port=8001,disable-ticketing -monitor stdio -qxl 1
-------------------------------------------------------------------------------
1.install guest RHEL5.7 and enable kdump during installation process
2.boot up guest and check grub.conf (please refer to additional info)
3.chkconfig kdump on
4.service kdump start
5.test kdump: 
# echo c > /proc/sysrq-trigger
  
Actual results:
The guest became non operational but its status was 'running' in monitor

Expected results:
The guest reboot successfully

Additional info:
grub.conf 
-------------------------------------------------------------------------------
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux Server (2.6.18-259.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-259.el5 ro root=/dev/VolGroup00/LogVol00 rhgb quiet crashkernel=128M@16M
        initrd /initrd-2.6.18-259.el5.img

Comment 1 Min Deng 2011-05-04 10:47:35 UTC
kernel version 
2.6.18-259.el5

Comment 2 Min Deng 2011-05-04 10:49:05 UTC
Try the similar steps on host but tester don't reproduce the issue.

Comment 3 Mike Cao 2011-05-04 11:29:33 UTC
hit the same issue on RHEL6.1 host& RHEL5.7 guest

host info:
# uname -r
2.6.32-131.0.10.el6.x86_64
[root@localhost ~]# rpm -q qemu-kvm
qemu-kvm-0.12.1.2-2.160.el6.x86_64

Guest info:
2.6.18-259.el5

Comment 4 Mike Cao 2011-05-05 02:11:52 UTC
(In reply to comment #3)
> hit the same issue on RHEL6.1 host& RHEL5.7 guest
> 
> host info:
> # uname -r
> 2.6.32-131.0.10.el6.x86_64
> [root@localhost ~]# rpm -q qemu-kvm
> qemu-kvm-0.12.1.2-2.160.el6.x86_64
> 
> Guest info:
> 2.6.18-259.el5

Can not reproduce 100 % times ,I trigger this issue 2/10 times .

Comment 5 Gleb Natapov 2011-05-18 12:28:27 UTC

*** This bug has been marked as a duplicate of bug 611407 ***