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Bug 562766

Summary: BUG() during boot of RHEL6.0 guest
Product: Red Hat Enterprise Linux 5 Reporter: Juan Quintela <quintela>
Component: kvmAssignee: Eduardo Habkost <ehabkost>
Status: CLOSED NOTABUG QA Contact: Virtualization Bugs <virt-bugs>
Severity: high Docs Contact:
Priority: low    
Version: 5.5CC: 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: 2010-02-08 10:53:41 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:
Attachments:
Description Flags
BUG output none

Description Juan Quintela 2010-02-08 10:46:50 UTC
Created attachment 389489 [details]
BUG output

Description of problem:

Booting a RHEL6.0 Alpha-3 guest with smp enabled BUGS during boot (see attachment).
BUG happens on bitmap_scnprintf().
Booting guest with smp=1 boots as expected.

Version-Release number of selected component (if applicable):
[root@ninfa ~]# rpm -qa *kvm*
kmod-kvm-83-154.el5
etherboot-zroms-kvm-5.4.4-13.el5
kvm-83-154.el5
[root@ninfa ~]# uname -a
Linux ninfa.mitica 2.6.18-186.el5 #1 SMP Wed Jan 27 18:11:22 EST 2010 x86_64 x86_64 x86_64 GNU/Linux
[root@ninfa ~]# 


How reproducible:
Always

Steps to Reproduce:
1. Install RHEL6.0 Alpha3 with smp=2
2. Boot after installation
  
Actual results:

Guest hangs with described BUG() message.

Expected results:
Boot correctly, as up does.

Additional info:

Comment 1 Juan Quintela 2010-02-08 10:53:41 UTC
Upgrading rhel6.0 kernel to 2.6.32-14.el6 fixes the issue.