This bug was fixed in the package multipath-tools -
https://launchpad.net/ubuntu/+source/multipath-tools/0.4.9-3ubuntu7.2
---
multipath-tools (0.4.9-3ubuntu7.2) trusty; urgency=medium
* 1002-fix-linking-library.patch: Move $(LIBDEPS) to the end of the
link line to fix
This bug was fixed in the package multipath-tools - 0.4.9-3ubuntu5.3
---
multipath-tools (0.4.9-3ubuntu5.3) precise; urgency=medium
* 1002-fix-linking-library.patch: Move $(LIBDEPS) to the end of the
link line to fix underlinking with ld --as-needed (LP: #1004243)
-- Adam
Starting verification for Trusty and Precise...
### Precise before using package in -proposed
root@trytrusty:~# multipath -ll
lun2 (1494554009feaa66a15201fac7bf681e6f5437e7d) dm-3 IET,VIRTUAL-DISK
size=5.0G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
### Precise multipath daemon restart
root@tryprecise:~# dpkg -l | grep multipath-tools
ii multipath-tools 0.4.9-3ubuntu5.3 maintain
multipath block device access
root@tryprecise:~# service multipath-tools restart
* Stopping multipath daemon multipathd
# Precise failover test - removed 1 path during writes. failover after
10 seconds (iscsi timeout)
root@tryprecise:~# dd if=/dev/zero of=/dev/mapper/2luns0 bs=1M count=2000
2000+0 records in
2000+0 records out
2097152000 bytes (2.1 GB) copied, 137.125 s, 15.3 MB/s
ct 14 16:46:01 tryprecise
# Trusty failover test - removed 1 path during writes. failover after 10
seconds (iscsi timeout)
root@trytrusty:~# dd if=/dev/zero of=/dev/mapper/2luns0 bs=1M count=2000
2000+0 records in
2000+0 records out
2097152000 bytes (2.1 GB) copied, 139.481 s, 15.0 MB/s
Oct 14 16:50:29 trytrusty
I'm confirming both: Precise and Trusty SRUs are operational and
multipath seems to be fine.
Changing tags to verification-done.
Thank you.
Rafael Tinoco
** Tags removed: verification-needed
** Tags added: verification-done
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** Tags added: cts
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https://bugs.launchpad.net/bugs/1354114
Title:
multipath segmentation Fault (libmultipath: update waiter handling)
To manage
** Branch linked: lp:~inaddy/ubuntu/utopic/multipath-tools/bug-1354114
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Title:
multipath segmentation Fault
** Also affects: multipath-tools (Debian)
Importance: Undecided
Status: New
** Changed in: multipath-tools (Debian)
Importance: Undecided = Unknown
** Changed in: multipath-tools (Debian)
Status: New = Unknown
** Changed in: multipath-tools (Debian)
Remote watch: None =
** Changed in: multipath-tools (Debian)
Status: Unknown = Fix Released
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https://bugs.launchpad.net/bugs/1354114
Title:
multipath segmentation Fault
seems like that got uploaded, unsubscribing the sponsors
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Title:
multipath segmentation Fault (libmultipath: update
Thanks for the precise and trusty debdiffs. I have uploaded them for processing
by the SRU team. I have slightly altered them:
- I have renamed the patches so they match the names in Utopic
- I have changed the release number to better suit Trusty.
Thanks!
** Changed in: multipath-tools (Ubuntu
Hello Rafael, or anyone else affected,
Accepted multipath-tools into trusty-proposed. The package will build
now and be available at http://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu7.1 in a few hours, and then in the -proposed
repository.
Please help us by testing this new
** Branch linked: lp:~ubuntu-branches/ubuntu/trusty/multipath-tools
/trusty-proposed
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https://bugs.launchpad.net/bugs/1354114
Title:
multipath segmentation
Hello Rafael, or anyone else affected,
Accepted multipath-tools into precise-proposed. The package will build
now and be available at http://launchpad.net/ubuntu/+source/multipath-
tools/0.4.9-3ubuntu5.2 in a few hours, and then in the -proposed
repository.
Please help us by testing this new
** Branch linked: lp:ubuntu/precise-proposed/multipath-tools
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Title:
multipath segmentation Fault (libmultipath:
** Changed in: multipath-tools (Ubuntu Trusty)
Status: New = Confirmed
** Changed in: multipath-tools (Ubuntu Precise)
Assignee: (unassigned) = Rafael David Tinoco (inaddy)
** Changed in: multipath-tools (Ubuntu Precise)
Status: New = Confirmed
** Changed in: multipath-tools
Does this need review for Precise Trusty for the SRUs to happen ?
Thanks in advance.
-Rafael
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Title:
multipath
Thank you very much Brian.
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Title:
multipath segmentation Fault (libmultipath: update waiter handling)
To manage
The patches you've added use the same numbers as existing patches in the
debain/patches directory which may cause some confusion. I'll just go
ahead and a 1 in the numbers so 0001 becomes 0011.
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** Branch linked: lp:ubuntu/utopic-proposed/multipath-tools
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Title:
multipath segmentation Fault (libmultipath: update
This bug was fixed in the package multipath-tools - 0.4.9-3ubuntu9
---
multipath-tools (0.4.9-3ubuntu9) utopic; urgency=medium
* Added 0011-libmultipath-update-waiter-handling.patch (LP: #1354114)
* Added 0012-Race-condition-when-calling-stop_waiter_thread.patch (LP:
#1354114)
The attachment precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff seems
to be a debdiff. The ubuntu-sponsors team has been subscribed to the
bug report so that they can review and hopefully sponsor the debdiff.
If the attachment isn't a patch, please remove the patch flag from the
attachment,
** Also affects: multipath-tools (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: multipath-tools (Ubuntu Precise)
Importance: Undecided
Status: New
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** Description changed:
[Impact]
* Multipath can cause segmentation fault due to wrong code and can
possibly cause user to loose access to multipath devices.
[Test Case]
- * Working on it.
+ * To use multipath and wait for the problem to occur sometime
+ (inevitable).
Proposed merge:
https://code.launchpad.net/~inaddy/ubuntu/utopic/multipath-
tools/bug-1354114/+merge/230170
For Utopic.
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Submitted to debian bug tracking system:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=757508
Waiting for merges/fixes.
** Bug watch added: Debian Bug tracker #757508
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=757508
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** Patch added: utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4173053/+files/utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
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Proposed merge:
https://code.launchpad.net/~inaddy/ubuntu/utopic/multipath-
tools/bug-1354114/
For utopic.
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Title:
** Patch removed: utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172259/+files/utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
** Patch removed: precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff
** Patch added: trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4173052/+files/trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
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Attaching SRU proposal.
Description: [PATCH] libmultipath: update waiter handling
The current 'waiter' structure accesses fields which belong
to the main 'mpp' structure, which has a totally different
lifetime. With this patch most of these dependencies are
removed and the 'waiter' structure
precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff
** Patch added: precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172183/+files/precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff
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trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
** Patch added: trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172184/+files/trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
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utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
** Patch added: utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172185/+files/utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
** Changed in: multipath-tools (Ubuntu)
** Description changed:
+
+ [Impact]
+
+ * Multipath can cause segmentation fault due to wrong code and can
+possibly cause user to loose access to multipath devices.
+
+ [Test Case]
+
+ * Working on it.
+
+ [Regression Potential]
+
+ * Fix based on upstream code (96f8146) Tag 0.5.0
So probably to last commits touching libmultipath/waiter.c (and fixing
this issue) would be:
1)
commit e1fcc5933ac44683cdee1a02304e1115abec3ff5
Author: Benjamin Marzinski bmarz...@redhat.com
Date: Sat May 19 01:37:03 2012 -0500
multipath: clean up code for stopping the waiter threads
It looks like the fix above introduces regressions (actually other new
bugs):
commit 96f81469ff993b6063bb8829d9b336590510466d
Author: Hannes Reinecke h...@suse.de
Date: Mon May 4 16:46:58 2009 +0200
libmultipath: update waiter handling
The current 'waiter' structure accesses fields
And maybe this also:
Maybe this:
commit 03ec4efe8775f0ca076df3fb85b9defab4ffad30
Author: Benjamin Marzinski bmarz...@redhat.com
Date: Fri Feb 10 12:10:11 2012 -0600
multipath: fix shutdown crashes
A number of processes don't reach a pthread cancellation point
before they use the
And 2)
commit af4fd6d4efc5dbd13daaf4117c4a95fc7a99eafb
Author: Hannes Reinecke h...@suse.de
Date: Tue Jan 8 14:54:08 2013 +0100
Fix race condition in stop_waiter_thread()
The signal handler might run before we had a chance to
set the 'waiter' context to '0', so better do it
** Patch added: trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172258/+files/trusty_multipath-tools_0.4.9-3ubuntu8.debdiff
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** Patch added: utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172259/+files/utopic_multipath-tools_0.4.9-3ubuntu9.debdiff
** Description changed:
-
[Impact]
- * Multipath can cause segmentation fault
** Patch added: precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff
https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1354114/+attachment/4172257/+files/precise_multipath-tools_0.4.9-3ubuntu5.2.debdiff
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