Bug 653644

Summary:	2.12.90-19.x86_64 breaks gdb.base/completion.exp
Product:	[Fedora] Fedora	Reporter:	Jan Kratochvil <jan.kratochvil>
Component:	gdb	Assignee:	Jan Kratochvil <jan.kratochvil>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	high
Version:	14	CC:	jakub, jan.kratochvil, pmuldoon, sergiodj
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	gdb-7.2-26.fc14	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-11-23 21:58:36 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 Jan Kratochvil 2010-11-15 20:57:48 UTC

Description of problem:
GDB has a testsuite regression.

Version-Release number of selected component (if applicable):
FAIL glibc-2.12.90-19.x86_64
PASS glibc-2.12.90-18.x86_64

How reproducible:
Always

Steps to Reproduce:
Compile FSF GDB HEAD, from:
git clone git://sourceware.org/git/gdb.git
cd gdb/testsuite
make site.exp
runtest gdb.base/completion.exp


Actual results:
Running ./gdb.base/completion.exp ...
ERROR: Process no longer exists
FAIL: gdb.base/completion.exp: (timeout) complete-command 'file ./gdb.base/compl'
FAIL: gdb.base/completion.exp: (timeout) complete 'file ./gdb.base/complet'
FAIL: gdb.base/completion.exp: (timeout) complete 'info func marke'
FAIL: gdb.base/completion.exp: (timeout) complete 'set follow-fork-mode'
ERROR: Couldn't send complete print values[0].x. to GDB.
ERROR: Couldn't send complete sav to GDB.
ERROR: Couldn't send complete save-t to GDB.

		=== gdb Summary ===

# of expected passes		27
# of unexpected failures	4
# of expected failures		1
# of unresolved testcases	4


Expected results:
Running ./gdb.base/completion.exp ...

		=== gdb Summary ===

# of expected passes		35
# of expected failures		1

Additional info:
Feel free to NEEDINFO it to track down the specific glibc regression.

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Core(TM) i7 CPU       @ 9200 @ 2.67GHz
stepping	: 5
cpu MHz		: 2793.000
cache size	: 8192 KB
physical id	: 0
siblings	: 8
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5397.08
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

[There are 8 CPUs - 4 + x2 by hyperthreading.]

Comment 1 Jan Kratochvil 2010-11-16 22:10:43 UTC

Really a memory corruption by GDB - it just did not reproduce before, sorry.
[commit] Fix .gdb_index memory corruption
http://sourceware.org/ml/gdb-patches/2010-11/msg00216.html

Comment 2 Fedora Update System 2010-11-18 04:43:24 UTC

gdb-7.2-26.fc14 has been submitted as an update for Fedora 14.
https://admin.fedoraproject.org/updates/gdb-7.2-26.fc14

Comment 3 Fedora Update System 2010-11-19 00:01:47 UTC

gdb-7.2-26.fc14 has been pushed to the Fedora 14 testing repository.  If problems still persist, please make note of it in this bug report.
 If you want to test the update, you can install it with 
 su -c 'yum --enablerepo=updates-testing update gdb'.  You can provide feedback for this update here: https://admin.fedoraproject.org/updates/gdb-7.2-26.fc14

Comment 4 Fedora Update System 2010-11-23 21:58:28 UTC

gdb-7.2-26.fc14 has been pushed to the Fedora 14 stable repository.  If problems still persist, please make note of it in this bug report.