Public bug reported:
This bug is a regression, I think; I was having this same problem before
upgrading to 12.10, then installed a patched version of some file (can't
remember which, and can't find the old bug report, sadly). Now with the
upgrade, when opening Sound Settings and selecting my Alesis Multimix
USB mixer, the dialog crashes with the following in syslog:
gnome-control-c[4009]: segfault at 7fffa3efcd48 ip 00007f56af59e9f2 sp
00007fffa3efcc10 error 6 in libc-2.15.so[7f56af556000+1b5000]
If I try setting the mixer as default use pacmd, Sound Settings crashes
on opening.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gnome-control-center 1:3.4.2-0ubuntu19
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
Date: Wed Oct 17 16:27:58 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to quantal on 2012-09-24 (22 days ago)
usr_lib_gnome-control-center:
deja-dup 24.0-0ubuntu1
indicator-datetime 12.10.2-0ubuntu3
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug quantal running-unity
** Attachment added: "output of pacmd list-sources (shows USB mixer)"
https://bugs.launchpad.net/bugs/1067700/+attachment/3401306/+files/pacmd_list_sources
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https://bugs.launchpad.net/bugs/1067700
Title:
Sound Settings crashes when USB audio mixer selected as input
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