Bug 770875

Summary: BUG: scheduling while atomic: swapper
Product: Red Hat Enterprise Linux 5 Reporter: Alan Willis <awillis>
Component: kernelAssignee: Red Hat Kernel Manager <kernel-mgr>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 5.7   
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-15 13:14:52 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Alan Willis 2011-12-29 22:16:14 UTC 
Description of problem:
KVM virtual machine guest becomes sluggish and unresponsive, while kernel error messages stream to syslog every few seconds. 

Version-Release number of selected component (if applicable):
kernel-2.6.18-274.el5

Additional info:

kernel: [6190765.112268] BUG: scheduling while atomic: swapper/0x00010100/0
kernel: [6190765.112273]  
kernel: [6190765.112273] Call Trace:
kernel: [6190765.112298]  [<ffffffff8006243d>] __sched_text_start+0x7d/0xbd0
kernel: [6190765.112306]  [<ffffffff8006bdf3>] default_idle+0x0/0x50
kernel: [6190765.112310]  [<ffffffff80048fe6>] cpu_idle+0xb6/0xb8
kernel: [6190765.112314]  [<ffffffff80465809>] start_kernel+0x220/0x225
kernel: [6190765.112325]  [<ffffffff8046522f>] _sinittext+0x22f/0x236