Bug 118522
| Summary: | prelink segfault (runs from cron) | |||
|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Neal Becker <ndbecker2> | |
| Component: | prelink | Assignee: | Jakub Jelinek <jakub> | |
| Status: | CLOSED ERRATA | QA Contact: | ||
| Severity: | medium | Docs Contact: | ||
| Priority: | medium | |||
| Version: | rawhide | CC: | eirik.thorsnes, pmacedo | |
| Target Milestone: | --- | |||
| Target Release: | --- | |||
| Hardware: | athlon | |||
| OS: | Linux | |||
| Whiteboard: | ||||
| Fixed In Version: | prelink-0.3.2-1 | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 595557 (view as bug list) | Environment: | ||
| Last Closed: | 2004-05-12 10:08:10 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: | ||||
| Bug Depends On: | ||||
| Bug Blocks: | 114963 | |||
| Attachments: | ||||
It certainly works for me, so I need your help to find out what's going on. Please download and install prelink-debuginfo-0.3.1-1 (or upgrade both to 0.3.1-2), look into /var/log/prelink.log what options have been passed to prelink (first line in the log) and run gdb /usr/sbin/prelink set args -av -mR -q # (or whatever options you see there) run and if that segfaults, I'd be interested in seeing backtrace (bt), and later other details too. I want to check if the problem disappeared after yesterday's massive update. Where would I look? /var/log/prelink.log shows nothing interesting.. If it segfaulted, root will get mail that the cron job failed. Same problem here. FC2T3 all updated , with prelink and prelink-debuginfo. Result from gdb: parameters: /usr/sbin/prelink -av -mR -f prelink: cxx.c:68: find_cxx_sym: Assertive `n < ndeps' failed. Program received signal SIGABRT, Aborted. 0x080ad391 in kill () (gdb) bt #0 0x080ad391 in kill () #1 0x080ad128 in raise () #2 0x00000006 in ?? () #3 0xfeeefa08 in ?? () #4 0x0808db1a in abort () Previous frame inner to this frame (corrupt stack?) (gdb) Anything else I can provide to help? Confirm same problem. FC2T3 updated, prelink and prelink-debuginfo = 0.3.1-2. selinux=0 on boot (if it matters) parameters: /usr/sbin/prelink -av -mR -q but get same result without the -m and -q (although it seems to prelink more libs before abort) gdb: [snip] Prelinking /usr/bin/ksmserver Detaching after fork from child process 17505. prelink: cxx.c:68: find_cxx_sym: Assertion `n < ndeps' failed. Program received signal SIGABRT, Aborted. 0x080ad391 in kill () (gdb) bt #0 0x080ad391 in kill () #1 0x080ad128 in raise () #2 0x00000006 in ?? () #3 0xfef46428 in ?? () #4 0x0808db1a in abort () Previous frame inner to this frame (corrupt stack?) (gdb) Can I ask you for tarball created by: tar cjhf /tmp/ksmserver.tar.bz2 `LD_TRACE_PRELINKING=1 LD_WARN= /usr/bin/ksmserver | awk '{print $3}'` (or replace /usr/bin/ksmserver by whatever program you get this on)? Also, please add -vvvv to prelink opts and see the messages printed before the abort (). Thanks. Created attachment 99880 [details]
complete log of screen session when running prelink in gdb with args -aR -vvvv
Attached file uncompresses to 13MB textfile.
The ksmserver.tar.bz2 created from command in comment #6, is too large to attach (7MB). Uploaded here: http://www.pki.uib.no/images/ksmserver.tar.bz2 Do you want similar ones for other programs that fails? Unfortunately, I cannot reproduce this. ksmserver is prelinked just fine with: prelink -vmR -c ./prelink.conf --ld-library-path . --dynamic-linker ././/ld-linux.so.2 ./ksmserver (modified ksmserver, so that interpreter is ././/ld-linux.so.2). So, can you please install prelink-debuginfo, run prelink under gdb with the arguments you used and put a breakpoint: b cxx.c:68 if n < ndeps ? Then if that breakpoint gets hit, p info->dso->filename p addr p ndeps p n Then print info->dso[N] for N 0 through ndeps - 1 and info->dso->base and info->dso->end? Thanks. Created attachment 99885 [details]
screenlog of gdb session (snipped of some error msg) args: -aR -v
If you try once more, does it die on info->dso->filename /usr/bin/kdcop as well? If yes, can you build a tarball with kdcop and its dependencies instead of ksmserver? Created attachment 99891 [details]
screenlog of gdb session reproducing fault at kdcop file
kdcop.tar.bz2 created from similar command as in comment #6 uploaded here: http://www.pki.uib.no/images/kdcop.tar.bz2 Can you please try ftp://people.redhat.com/jakub/prelink/prelink*0.3.1-2.0.2*.rpm ? It solves the prelink: cxx.c:68: find_cxx_sym: Assertive `n < ndeps' failed. problem for Ingo Molnar who saw this problem on his box as well. Thanks. Confirms that prelink from comment #14 fixes problem for me. I was just about to post that adding -q to the command and running many times (20+) makes it able to finish the prelinking. Prelink from comment #14 completes run with args: -amvRf without "ndeps" errors or aborts. 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-2004-386.html |
From Bugzilla Helper: User-Agent: Mozilla/5.0 (compatible; Konqueror/3.2; Linux) (KHTML, like Gecko) Description of problem: /etc/cron.daily/prelink: /etc/cron.daily/prelink: line 36: 32239 Segmentation fault /usr/sbin/prelink -av $PRELINK_OPTS >>/var/log/prelink.log 2>&1 Version-Release number of selected component (if applicable): prelink-0.3.1-1 How reproducible: Didn't try Steps to Reproduce: 1.cron runs prelink 2. 3. Additional info: