https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #31 from Gerrit Notification Bot ---
Change 119225 abandoned by Faidon Liambotis:
contint: set up and maintain a coredumps directory
https://gerrit.wikimedia.org/r/119225
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https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
Bartosz Dziewoński changed:
What|Removed |Added
Status|PATCH_TO_REVIEW |RESOLVED
CC|
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #29 from Gerrit Notification Bot ---
Change 127485 merged by jenkins-bot:
Prevent GC during phpunit shutdown
https://gerrit.wikimedia.org/r/127485
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--- Comment #28 from Gerrit Notification Bot ---
Change 127485 had a related patch set uploaded by Bartosz Dziewoński:
Prevent GC during phpunit shutdown
https://gerrit.wikimedia.org/r/127485
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https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #27 from Gerrit Notification Bot ---
Change 123146 merged by jenkins-bot:
Prevent GC during phpunit shutdown
https://gerrit.wikimedia.org/r/123146
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--- Comment #26 from Gerrit Notification Bot ---
Change 121697 abandoned by CSteipp:
Disable gc during tests
Reason:
Ie59780e37cbea027cc204a43df406667c3f432ab seems like a slightly better way to
do it (https://bugzilla.wikimedia.org/show_bug.c
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #25 from Chris Steipp ---
I was finally able to reproduce the segfault on a new vagrant instance. The
steps to reproduce it are below.
But since I was able to accurately test the fixes:
* gerrit 121697 fixes the issue. Memory use (
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #24 from Gerrit Notification Bot ---
Change 123146 had a related patch set uploaded by CSteipp:
Prevent GC during phpunit shutdown
https://gerrit.wikimedia.org/r/123146
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--- Comment #23 from Tim Starling ---
I spent some more time on this today.
In zend_objects_store_call_destructors() there is this:
obj->refcount++;
obj->dtor(obj->object, i TSRMLS_CC);
obj = &objects->object_buckets[i].bucket.obj;
obj->refc
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #22 from Matthew Flaschen ---
Should we file a separate bug for the XMPReader issue?
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https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #20 from Antoine "hashar" Musso ---
One can add -d zend.enable_gc=0 in the shell scripts which wraps around
phpunit. The are located in integration/jenkins.git :
bin/mw-run-phpunit.sh
bin/mw-run-phpunit-allexts.sh
Then push to
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
Gerrit Notification Bot changed:
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Status|NEW |PATCH_TO_REVIEW
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--- Comment #21 from Gerrit Notification Bot ---
Change 121697 had a related patch set uploaded by CSteipp:
Disable gc during tests
https://gerrit.wikimedia.org/r/121697
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https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #19 from Antoine "hashar" Musso ---
Another patch segfaulting is https://gerrit.wikimedia.org/r/#/c/106517/
Jenkins output:
https://integration.wikimedia.org/ci/job/mediawiki-core-phpunit-databaseless/22992/console
I have grabbed
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #18 from Tim Starling ---
I discovered the checkpoint feature in gdb, and used it to set a watchpoint on
a consistent pointer location. It showed an XMPReader->xmlParser property being
freed during garbage collection, and then the s
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #17 from Tim Starling ---
I spent a while looking at this, but I haven't managed to figure out what's
going on yet. Unfortunately, the affected pointer address changes from run to
run, so I haven't managed to set a watchpoint on it.
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #16 from Antoine "hashar" Musso ---
$ cd /srv/ssd
$ git clone https://gerrit.wikimedia.org/r/p/mediawiki/core.git \
--reference=/srv/ssd/gerrit/mediawiki/core.git bug62623
Cloning into 'bug62623'...
$ git fetch origin refs/chan
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #15 from Chad H. ---
(In reply to Tim Starling from comment #14)
> (In reply to Tim Starling from comment #12)
> > $ cd
> > /srv/ssd/jenkins-slave/workspace/mediawiki-core-phpunit-databaseless/tests/
> > phpunit
>
> But of course,
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #14 from Tim Starling ---
(In reply to Tim Starling from comment #12)
> $ cd
> /srv/ssd/jenkins-slave/workspace/mediawiki-core-phpunit-databaseless/tests/
> phpunit
But of course, that only worked for a few minutes, and then the so
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #13 from Antoine "hashar" Musso ---
Note that /srv/ssd/jenkins-slave/workspace/mediawiki-core-phpunit-databaseless/
is a Jenkins workspace and it would be a different code base whenever a new
instance of the job is running on this m
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
Tim Starling changed:
What|Removed |Added
CC||tstarl...@wikimedia.org
--- Comment #12
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #11 from Antoine "hashar" Musso ---
Faidon bumped core limit to 2GB so we can get a full core file (~650MB).
Backtrace is:
Program terminated with signal 11, Segmentation fault.
#0 0x006b9e9f in zend_mm_remove_from_free_li
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #10 from Antoine "hashar" Musso ---
A similar backtrace from
https://bugzilla.wikimedia.org/show_bug.cgi?id=43972#c26 using PHP
5.3.10-1ubuntu3.7+wmf1
Program received signal SIGSEGV, Segmentation fault.
0x006b9a7f in zend
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #9 from Antoine "hashar" Musso ---
BFD: Warning: /home/hashar/bug62623.core is truncated: expected core file size
>= 651972608, found: 65609728.
[New LWP 19784]
Cannot access memory at address 0x7fc3bbec72a8
Cannot access memory at
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
Antoine "hashar" Musso changed:
What|Removed |Added
Status|PATCH_TO_REVIEW |NEW
--- Comment #8 from Antoi
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #7 from Gerrit Notification Bot ---
Change 119222 merged by jenkins-bot:
Dump corefiles on segfaults
https://gerrit.wikimedia.org/r/119222
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--- Comment #6 from Gerrit Notification Bot ---
Change 119225 had a related patch set uploaded by Faidon Liambotis:
contint: set up and maintain a coredumps directory
https://gerrit.wikimedia.org/r/119225
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https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #5 from Chris Steipp ---
(In reply to Faidon Liambotis from comment #3)
> I tried this on gallium (with the addition of --with-phpunitdir) and wasn't
> able to reproduce a segfault. Could you point me to a Jenkins log that shows
> t
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
Gerrit Notification Bot changed:
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https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #4 from Gerrit Notification Bot ---
Change 119222 had a related patch set uploaded by Faidon Liambotis:
Dump corefiles on segfaults
https://gerrit.wikimedia.org/r/119222
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Faidon Liambotis changed:
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--- Comment #3
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #2 from Antoine "hashar" Musso ---
The PHPUnit test suite does pass but something segfault very late in PHP. That
sounds like the segfault issue we have when generating code coverage report
(bug 43972 which has a bunch of stacktrac
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
--- Comment #1 from Chris Steipp ---
Steps that (should) reproduce this on Gallium (assuming hashar's LocalSettings
is readable):
* Get a local copy of MediaWiki
~> git clone https://gerrit.wikimedia.org/r/mediawiki/core.git
~> cd core
~/core>
https://bugzilla.wikimedia.org/show_bug.cgi?id=62623
Greg Grossmeier changed:
What|Removed |Added
Priority|Unprioritized |High
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