Bug 199811 – possible circular locking dependency detected in cpuspeed

Bug 199811 - possible circular locking dependency detected in cpuspeed

Summary:	possible circular locking dependency detected in cpuspeed

Status:	CLOSED DUPLICATE of bug 197803

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	kernel (Show other bugs)
Sub Component:
Version:	rawhide
Hardware:	x86_64 Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Kernel Maintainer List
QA Contact:	Brian Brock
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2006-07-22 10:17 EDT by David Nielsen
Modified:	2007-11-30 17:11 EST (History)
CC List:	1 user (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2006-07-28 13:35:33 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Lock detection output (3.38 KB, text/plain) 2006-07-22 10:17 EDT, David Nielsen	no flags	Details
dmesg output (39.63 KB, text/plain) 2006-07-22 10:18 EDT, David Nielsen	no flags	Details
lock detection from dmesg (4.41 KB, text/plain) 2006-07-28 12:44 EDT, Paul Dickson	no flags	Details
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description David Nielsen 2006-07-22 10:17:05 EDT

Description of problem:
I get the attached possible circular locking dependency detected in dmesg when
doing a boot of kernel-2.6.17-1.2432.fc6.

It seems harmless as I see no major problems in runtime. but never the less a
bug is a bug.

Version-Release number of selected component (if applicable):
kernel-2.6.17-1.2432.fc6

How reproducible:
100%

Steps to Reproduce:
1. boot kernel-2.6.17-1.2432.fc6

Actual results:
Observ attached output

Expected results:
No scary output

Additional info:
AMD64 X2 4400+ running Development 20060722

Comment 1 David Nielsen 2006-07-22 10:17:05 EDT

Created attachment 132862 [details]
Lock detection output

Comment 2 David Nielsen 2006-07-22 10:18:33 EDT

Created attachment 132863 [details]
dmesg output

Comment 3 Paul Dickson 2006-07-28 12:44:32 EDT

Created attachment 133246 [details]
lock detection from dmesg

Similar (identical?) circular locking dependency from 2449 kernel.

Comment 4 Dave Jones 2006-07-28 13:35:33 EDT


*** This bug has been marked as a duplicate of 197803 ***

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