Bug 770875 - BUG: scheduling while atomic: swapper
Summary: BUG: scheduling while atomic: swapper
Keywords:
Status: CLOSED INSUFFICIENT_DATA
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel
Version: 5.7
Hardware: x86_64
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Red Hat Kernel Manager
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-12-29 22:16 UTC by Alan Willis
Modified: 2013-02-15 13:14 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-02-15 13:14:52 UTC
Target Upstream Version:

Attachments (Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

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
Note You need to log in before you can comment on or make changes to this bug.