pulseaudio assert failure: pulseaudio: mixer.c :929 : snd_mixer_elem_get_callback_private: l'assertion « mixer » a échoué.

[Thomas Schiex]

Happens at each start of the graphical (xorg apparently not wayland because of nvidia despite KMS at boot).

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: pulseaudio 1:10.0-2ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-12-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
AssertionMessage: pulseaudio: mixer.c :929 : snd_mixer_elem_get_callback_private: l'assertion « mixer » a échoué.
CrashCounter: 1
Date: Tue Oct 10 08:33:43 2017
ExecutablePath: /usr/bin/pulseaudio
InstallationDate: Installed on 2017-06-18 (118 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
ProcEnviron:
 LANG=fr_FR.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/false
 XDG_RUNTIME_DIR=<set>
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7fefdaa1f188 "mixer", file=file@entry=0x7fefdaa1f419 "mixer.c", line=line@entry=929, function=function@entry=0x7fefdaa1f6a0 "snd_mixer_elem_get_callback_private") at assert.c:92
 __GI___assert_fail (assertion=0x7fefdaa1f188 "mixer", file=0x7fefdaa1f419 "mixer.c", line=929, function=0x7fefdaa1f6a0 "snd_mixer_elem_get_callback_private") at assert.c:101
 snd_mixer_elem_get_callback_private () from /usr/lib/x86_64-linux-gnu/libasound.so.2
 ?? () from /usr/lib/pulse-10.0/modules/module-alsa-card.so
 ?? () from /usr/lib/pulse-10.0/modules/module-alsa-card.so
Title: pulseaudio assert failure: pulseaudio: mixer.c :929 : snd_mixer_elem_get_callback_private: l'assertion « mixer » a échoué.
UpgradeStatus: Upgraded to artful on 2017-09-03 (41 days ago)
UserGroups:

dmi.bios.date: 09/08/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0902
dmi.board.asset.tag: Default string
dmi.board.name: PRIME X370-PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0902:bd09/08/2017:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEX370-PRO:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

[Apport retracing service (apport)]

StacktraceTop:
 __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7fefdaa1f188 "mixer", file=file@entry=0x7fefdaa1f419 "mixer.c", line=line@entry=929, function=function@entry=0x7fefdaa1f6a0 <__PRETTY_FUNCTION__.9666> "snd_mixer_elem_get_callback_private") at assert.c:92
 __GI___assert_fail (assertion=assertion@entry=0x7fefdaa1f188 "mixer", file=file@entry=0x7fefdaa1f419 "mixer.c", line=line@entry=929, function=function@entry=0x7fefdaa1f6a0 <__PRETTY_FUNCTION__.9666> "snd_mixer_elem_get_callback_private") at assert.c:101
 snd_mixer_elem_get_callback_private (mixer=mixer@entry=0x0) at mixer.c:929
 report_jack_state (melem=0x0, mask=mask@entry=0) at modules/alsa/module-alsa-card.c:362
 card_suspend_changed (c=<optimized out>, card=<optimized out>, u=0x56173e686a60) at modules/alsa/module-alsa-card.c:628

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1663528, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.