Bug 85200 – pstack fails for posix-threaded programs with only the main thread

Bug 85200 - pstack fails for posix-threaded programs with only the main thread

Summary:	pstack fails for posix-threaded programs with only the main thread

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Linux
Classification:	Retired
Component:	pstack (Show other bugs)
Sub Component:
Version:	8.0
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Roland McGrath
QA Contact:
Docs Contact:

URL:
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Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2003-02-26 11:45 EST by David Juran
Modified:	2007-04-18 12:51 EDT (History)
CC List:	0 users

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2003-12-04 05:22:13 EST
Type:	---
Regression:	---
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Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Attachments	(Terms of Use)
testcase (29 bytes, text/plain) 2003-02-26 11:46 EST, David Juran	no flags	Details
and this remedies the problem (604 bytes, patch) 2003-02-26 12:02 EST, David Juran	no flags	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHBA-2003:250	normal	SHIPPED_LIVE	Pstack bugfix errata	2003-12-19 00:00:00 EST
Red Hat Product Errata	RHBA-2003:362	normal	SHIPPED_LIVE	Updated pstack packages include several bugfixes	2003-11-18 00:00:00 EST

Groups: None (edit)

Description David Juran 2003-02-26 11:45:29 EST

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2) Gecko/20021202

Description of problem:
pstack doesn't work for a program that only has one single thread, but is
compiled with the option -pthread.



Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1.gcc -o test -pthread test.c
2. ./test
3.now attach to test with pstack and note that you don't get any output.
    

Actual Results:  32736: ./test

Expected Results:  32736: ./test
0x08048304: main + 0x10 (1, bffff0c4, bffff0cc, 400124b8, 1, 8048244)
0x420158d4: __libc_start_main + 0xa4 (80482f4, 1, bffff0c4, 804820c, 804832c,
4000a950) + 40000f48


Additional info:

Comment 1 David Juran 2003-02-26 11:46:15 EST

Created attachment 90380 [details]
testcase

Comment 2 David Juran 2003-02-26 12:02:34 EST

Created attachment 90382 [details]
and this remedies the problem

Comment 3 Roland McGrath 2003-11-11 20:40:16 EST

I've implemented a different fix.  Thanks for the report.

Comment 4 David Juran 2003-12-04 05:22:13 EST

Seems to work fine (-:

Comment 5 John Flanagan 2003-12-19 09:41:42 EST

An errata has been issued which should help the problem described in this bug report. 
This report is therefore being closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, please follow the link below. You may reopen 
this bug report if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2003-250.html

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