Bug 217851

Summary: BUG: warning at kernel/cpu.c:56/unlock_cpu_hotplug()
Product: Red Hat Enterprise Linux 5 Reporter: Dirk Gfroerer <dirk.gfroerer>
Component: kernelAssignee: Red Hat Kernel Manager <kernel-mgr>
Status: CLOSED DUPLICATE QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 5.0   
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2006-12-04 17:11:05 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 Dirk Gfroerer 2006-11-30 12:35:29 UTC
Description of problem:

Linux ghcl01 2.6.18-1.2747.el5 #1 SMP Thu Nov 9 18:52:11 EST 2006 x86_64 x86_64
x86_64 GNU/Linux

How reproducible:
Not reproducible

Steps to Reproduce:
N/A
  
Actual results:
Nov 30 12:59:01 ghcl01 kernel: BUG: warning at
kernel/cpu.c:56/unlock_cpu_hotplug() (Tainted: P     )
Nov 30 12:59:01 ghcl01 kernel: 
Nov 30 12:59:01 ghcl01 kernel: Call Trace:
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff80069632>] show_trace+0x34/0x47
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff80069657>] dump_stack+0x12/0x17
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff800a0c60>] unlock_cpu_hotplug+0x47/0x74
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff883c62aa>]
:cpufreq_ondemand:do_dbs_timer+0x11c/0x174
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff8004b5cc>] run_workqueue+0x94/0xe5
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff80048018>] worker_thread+0xf0/0x122
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff800322e7>] kthread+0xf6/0x12a
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff8005c365>] child_rip+0xa/0x11
Nov 30 12:59:01 ghcl01 kernel: DWARF2 unwinder stuck at child_rip+0xa/0x11
Nov 30 12:59:01 ghcl01 kernel: Leftover inexact backtrace:
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff8009c368>] keventd_create_kthread+0x0/0x61
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff800321f1>] kthread+0x0/0x12a
Nov 30 12:59:01 ghcl01 kernel:  [<ffffffff8005c35b>] child_rip+0x0/0x11
Nov 30 12:59:01 ghcl01 kernel: 


Expected results:
No error shown in syslog

Additional info:
I know the kernel is tainted (VMware). Just want to report in case you're
interested.

Comment 1 Linda Wang 2006-12-04 17:11:05 UTC

*** This bug has been marked as a duplicate of 214246 ***