[Bug 741021] New: New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related) - openSUSE Bugs - openSUSE Mailing Lists

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[Bug 741021] New: New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

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bugzilla_noreply＠novell.com

12 Jan 2012 12 Jan '12

13:49

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c0 Summary: New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related) Classification: openSUSE Product: openSUSE 12.2 Version: Factory Platform: x86-64 OS/Version: SuSE Other Status: NEW Severity: Critical Priority: P5 - None Component: Basesystem AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: tittiatcoke@gmail.com QAContact: qa@suse.de Found By: --- Blocker: --- Created an attachment (id=470912) --> (http://bugzilla.novell.com/attachment.cgi?id=470912) Valgrind log User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.16 (KHTML, like Gecko) Chrome/18.0.1005.0 Safari/535.16 SUSE/18.0.1005.0 With the default Factory installation, I get segmentation faults when I want to start Chromium. Sometimes it works, but most of the time I get the segmentation fault. Strangely enough when running chromium under GDB, the segmentation fault is not appearing. I see a similar behavior also with other programs, like ktorrent. Cartman and I spend quite some time to try to get a reproducible crash and a backtrace, but I only managed with Valgrind to get some kind of backtrace. The valgrind log is attached to this bug report. Based on another bugreport around the same issue (https://bbs.archlinux.org/viewtopic.php?id=133021), I checked which version of nscd I have running. Standard installation seems to use the unscd package. After replacing unscd with the nscd package (that comes from glibc itself), the segmentation faults with Chromium have disappeared. Also ktorrent doesn't show this behaviour anymore Reproducible: Always Steps to Reproduce: 1.Use unscd on a recent Factory installation with glibc 2.15 2.Install Chromium from network:chromium 3.Start chromium from the konsole Actual Results: 9 out of 10 times a segmentation fault is generated. Expected Results: Chromium starts normally. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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12 Jan 12 Jan

14:09

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c1 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |tittiatcoke@gmail.com --- Comment #1 from Andreas Jaeger 2012-01-12 14:09:13 UTC --- Are you using the current unscd 0.48? That was submitted to fix a crash in unscd. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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14:13

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c2 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|bnc-team-screening@forge.pr |aj@suse.com |ovo.novell.com | --- Comment #2 from Andreas Jaeger 2012-01-12 14:13:06 UTC --- Does it crash as well if nscd is not running? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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14:24

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c3 Raymond Wooninck changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|tittiatcoke@gmail.com | --- Comment #3 from Raymond Wooninck 2012-01-12 14:24:16 UTC --- Hi Andreas, I was indeed using the unscd version 0.48. As indicated also in IRC, the crashing only stops when the official NSCD (coming with glibc) is running. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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15:44

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c4 --- Comment #4 from Andreas Jaeger 2012-01-12 15:44:04 UTC --- I just pushed a revert of a patch (thanks Ismail) to home:ajaeger:my-factory-packages glibc. Top of changelog is: - Disable netlink caching (bnc#741021). Could you test whether this glibc fixes the problem? That will help figure out the culprit... Thanks! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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13 Jan 13 Jan

09:18

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c5 --- Comment #5 from Raymond Wooninck 2012-01-13 09:18:23 UTC --- Hi Andreas, I did the following actions : 1) Downloaded the glibc package from the indicated repo and installed them 2) Removed the nscd package and replaced it with the unscd package. This would restore the old situation where I had the Chromium crashes. 3) Performed a system reboot 4) After the reboot, nscd (from unscd) is not running. 5) Started Chromium from a konsole. Step 5 was performed a couple of times to see if there are different results, but so far it seems that Chromium starts normally without any segfault. The output from the konsole is: hq000006@HQVMT4XX20:~> chromium hq000006@HQVMT4XX20:~> chromium hq000006@HQVMT4XX20:~> chromium hq000006@HQVMT4XX20:~> chromium hq000006@HQVMT4XX20:~> ps -ef | grep nscd hq000006 3994 3323 0 10:10 pts/2 00:00:00 grep --color=auto nscd hq000006@HQVMT4XX20:~> As you can see nscd is still not running, but Chromium is working fine. Seems that the identified patch indeed caused the issue. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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10:07

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c6 --- Comment #6 from Andreas Jaeger 2012-01-13 10:07:22 UTC --- Thanks! I just tested chromium on my Factory/x86-64 under GNOME and had no problem with chromium at all - and played a bit with nscd ;-( do I really need chromium from network:chromium instead of the factory version to reproduce this? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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10:10

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c7 --- Comment #7 from Ismail Donmez 2012-01-13 10:10:02 UTC --- I can't reproduce this either. The only hint is the valgrind log showing an invalid read in nscd functions :/ -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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13:35

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c8 --- Comment #8 from Raymond Wooninck 2012-01-13 13:35:38 UTC --- The troubles started this Monday while I was preparing a new snapshot of Chromium. Updating from cartman's nightly build repo didn't resolve the issue and then we started the whole debugging session on Wednesday. In total this has a very strange behavior. If I update Chromium, then it is working, but after a reboot Chromium causes the segfaults. However this is also not a consistent behavior as that 1 out of 10 times, Chromium is starting normally. Running Chromium under gdb works fine and no sign of any segmentation fault. Running under Valgrind I see the same behavior, however I managed once or twice to get the segmentation fault, which lead to the attached logfile. I even tried the latest glibc from Base:Systems (as indicated by cartman), but that didn't help. Only after switching to nscd from glibc, I managed to get a consistent situation again where Chromium starts up normally. The same as I see now with the reverted patch from Andreas's home project. I don't know if there is anything related with regards to running either KDE or Gnome. However I have heard also in the #opensuse-kde IRC channel that another user has to remove a certain LD_ environment variable from /usr/bin/startkde, otherwise he is getting also a couple of segfaults during startup of KDE. All in all, it seems that the new glibc 2.15 version is causing for some inconsistent behavior which seems to depend on hardware, setup, etc. Let me know whatever information you require as that you cannot reproduce the issue. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16:39

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c9 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |http://sourceware.org/bugzi | |lla/show_bug.cgi?id=13594 --- Comment #9 from Andreas Jaeger 2012-01-13 16:39:47 UTC --- reported upstream now: http://sourceware.org/bugzilla/show_bug.cgi?id=13594 A reproduceable test program would be perfect. ;) Great would be also: if you can attach gdb to it and have the debuginfo loaded and can tell me in which line exactly it crashes and what the contents of the variables is, it would help a lot. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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29 Mar 29 Mar

07:53

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c10 --- Comment #10 from Andreas Jaeger 2012-03-29 07:53:28 UTC --- I'm currently building a new glibc with a proposed fix. Raymond, Ismail, could you give it a try? Top of changelog is: ------------------------------------------------------------------- Thu Mar 29 07:51:43 UTC 2012 - aj@suse.de - Fix crash when nscd is not running (bnc#741021) properly and disable patch glibc-revert-netlink-cache.patch The package has just been pushed to my repo, it will show up later in: http://download.opensuse.org/repositories/home:/a_jaeger:/my-factory-package... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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30 Mar 30 Mar

09:02

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c11 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |tittiatcoke@gmail.com --- Comment #11 from Andreas Jaeger 2012-03-30 09:02:47 UTC --- Setting to NEEDINFO for testing the fix. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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13 May 13 May

19:31

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c12 Raymond Wooninck changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|tittiatcoke@gmail.com | --- Comment #12 from Raymond Wooninck 2012-05-13 19:31:11 UTC --- Chromium no longer segfaults with the glib in factory. This bug report can be closed. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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14 May 14 May

08:33

New subject: [Bug 741021] New GLIBC version (2.15) causes crashes (seg-faults) when starting Chromium (unscd/nscd related)

https://bugzilla.novell.com/show_bug.cgi?id=741021 https://bugzilla.novell.com/show_bug.cgi?id=741021#c13 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED --- Comment #13 from Andreas Jaeger 2012-05-14 08:33:43 UTC --- Great to hear! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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