Bug 245440 – Spurious testcase FAIL: gdb.base/attach.exp: after attach3, exit (timeout)

Bug 245440 - Spurious testcase FAIL: gdb.base/attach.exp: after attach3, exit (timeout)

Summary:	Spurious testcase FAIL: gdb.base/attach.exp: after attach3, exit (timeout)

Status:	CLOSED WORKSFORME

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	gdb (Show other bugs)
Sub Component:
Version:	5.0
Hardware:	i386 Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Jan Kratochvil
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Depends On:	233853
Blocks:
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Reported:	2007-06-23 05:06 EDT by Jan Kratochvil
Modified:	2008-01-14 05:34 EST (History)
CC List:	1 user (show)

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Fixed In Version:
Doc Type:	Bug Fix
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Last Closed:	2008-01-14 05:34:35 EST
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Description Jan Kratochvil 2007-06-23 05:06:17 EDT

Description of problem:
This testcase was always a race with spurious results.
On a change
* Tue Jun 19 2007 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.5-19
- Fix attaching to stopped processes / pending signals (BZ 209521, 233853).
the probability of FAIL got higher.

Version-Release number of selected component (if applicable):
gdb-6.5-19.el5

How reproducible:
Rarely.

Steps to Reproduce:
1. runtest gdb.base/attach.exp

Actual results:
FAIL: gdb.base/attach.exp: after attach3, exit (timeout)

Expected results:
PASS: gdb.base/attach.exp: after attach3, exit

Additional info:
It was found there occurs:
ptrace(PTRACE_KILL,PID)
waitpid(pid)==pid
waitpid(pid) -> HANGS
The second waitpid should not be called there.

Comment 1 Jan Kratochvil 2007-06-23 05:24:04 EDT

Probably the same reason is for:
FAIL: gdb.pie/attach.exp: (timeout) after attach3, exit

Comment 2 Jan Kratochvil 2008-01-14 05:34:35 EST

This problem is no longer seen neither in Brew nor in RHTS, older logs were
deleted.  Expecting a consequence of the inappropriate and/or utrace-buggy
kernels in Brew but I did not check it more.

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