| Bug #42799 | Maria: pushbuild: segfault related to stack_ends_here with pool-of-threads | ||
|---|---|---|---|
| Submitted: | 12 Feb 2009 17:58 | Modified: | 10 Mar 2009 21:04 |
| Reporter: | Guilhem Bichot | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Maria storage engine | Severity: | S3 (Non-critical) |
| Version: | 6.0-maria | OS: | Linux |
| Assigned to: | Sergei Golubchik | CPU Architecture: | Any |
[16 Feb 2009 18:23]
Bugs System
A patch for this bug has been committed. After review, it may be pushed to the relevant source trees for release in the next version. You can access the patch from: http://lists.mysql.com/commits/66538 2714 Sergei Golubchik 2009-02-16 Bug #42799 Maria: pushbuild: segfault related to stack_ends_here with pool-of-threads remove a superfluous assigment (that was dereferencing thd->mysys_var before it was set)
[17 Feb 2009 11:46]
Bugs System
Pushed into 6.0.10-alpha (revid:serg@mysql.com-20090217113558-vpsqsyjule7nz0gk) (version source revid:serg@mysql.com-20090216182248-llk80kqtadp14gi9) (merge vers: 6.0.10-alpha) (pib:6)
[10 Mar 2009 21:04]
Guilhem Bichot
wrong code line was never released, nothing to document
Description: Take 6.0-maria revision-id:guilhem@mysql.com-20090210150451-kabqw9gbnmieoho7 Run ./mtr pool_of_threads --mem it says: mysqltest: Could not open connection 'default': 2013 Lost connection to MySQL server at 'reading initial communication packet', system error: 0 (saw this on 32 and 64-bit Linux). There's a segfault in master.err (with an unhelpful stack trace). Remove this line from sql/scheduler.cc: thd->mysys_var->stack_ends_here= thd->thread_stack + STACK_DIRECTION * (long)my_thread_stack_size; and recompile, re-run test, no more crash. So the bug would be related to serg@mysql.com-20090112121057-l0e2og9gw1gr5fga How to repeat: see above