mumble hangs trying to connect
Bug #1519015 reported by
Tom Haddon
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
mumble (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
When trying to connect to a server Mumble consistent hangs. strace reports "sched_yield() = 0" repeated over and over.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: mumble 1.2.8-2ubuntu1
Uname: Linux 4.2.0-040200rc3
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
CurrentDesktop: Unity
Date: Mon Nov 23 15:32:40 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2011-10-04 (1511 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
SourcePackage: mumble
UpgradeStatus: Upgraded to wily on 2015-11-19 (3 days ago)
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"sched_yield() = 0". Huh. 0 is what's returned on success.
http:// linux.die. net/man/ 2/sched_ yield
Seems related to threading. The mumble source code doesn't contain this call, so it's probably something being called by the Qt4 library.
The best thing I can suggest at the moment for trying to track this down further is to install the mumble-dbg package and to run mumble via a debugger like gdb. It'll give you a lot of confusing output but it's the best chance of figuring out what is making the sched_yield() call and/or what else is going wrong. When it gets stuck, see if you can get a "backtrace" and report the output to the bug.
Thanks.