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
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: pstack
Version: 8.0
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Roland McGrath
QA Contact:
URL:
Whiteboard:
Keywords:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2003-02-26 16:45 UTC by David Juran
Modified: 2007-04-18 16:51 UTC (History)
0 users

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Clone Of:
(edit)
Last Closed: 2003-12-04 10:22:13 UTC

Attachments (Terms of Use)
testcase (29 bytes, text/plain)
2003-02-26 16:46 UTC, David Juran 		no flags Details
and this remedies the problem (604 bytes, patch)
2003-02-26 17:02 UTC, 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 05:00:00 UTC
Red Hat Product Errata RHBA-2003:362 normal SHIPPED_LIVE Updated pstack packages include several bugfixes 2003-11-18 05:00:00 UTC

Description David Juran 2003-02-26 16:45:29 UTC 
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 16:46:15 UTC 
Created attachment 90380 [details]
testcase
Comment 2 David Juran 2003-02-26 17:02:34 UTC 
Created attachment 90382 [details]
and this remedies the problem
Comment 3 Roland McGrath 2003-11-12 01:40:16 UTC 
I've implemented a different fix.  Thanks for the report.
Comment 4 David Juran 2003-12-04 10:22:13 UTC 
Seems to work fine (-:
Comment 5 John Flanagan 2003-12-19 14:41:42 UTC 
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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