Public bug reported:
1)
lsb_release -rd
Description:Ubuntu Focal Fossa (development branch)
Release:20.04
2)
apt-cache policy guvcview
guvcview:
Installed: 2.0.6+debian-1build1
Candidate: 2.0.6+debian-1build1
Version table:
*** 2.0.6+debian-1build1 500
500 http://us.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
100 /var/lib/dpkg/status
3)
Expect guvcview to start
4)
Crashes with following output:
V4L2_CORE: Unable to find parent usb device.GUVCVIEW: version 2.0.6
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
ALSA lib pcm.c:2642:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2642:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2642:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:869:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:869:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:869:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:869:(find_matching_chmap) Found no matching channel map
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port
ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port
ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card
ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
Segmentation fault
ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: guvcview 2.0.6+debian-1build1
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu24
Architecture: amd64
CurrentDesktop: LXQt
Date: Tue Apr 7 13:41:22 2020
ExecutablePath: /usr/bin/guvcview
InstallationDate: Installed on 2015-12-25 (1564 days ago)
InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
ProcCmdline: guvcview
SegvAnalysis:
Segfault happened at: 0x7fb8af21c194: mov%edx,(%rcx)
PC (0x7fb8af21c194) ok
source "%edx" ok
destination "(%rcx)" (0x0024) not located in a known VMA region (needed
writable region)!
Stack memory exhausted (SP below stack segment)
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: guvcview
StacktraceTop:
?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
Title: guvcview crashed with SIGSEGV
UpgradeStatus: Upgraded to focal on 2020-02-18 (48 days ago)
UserGroups: adm cdrom dialout dip fax floppy lpadmin nopasswdlogin plugdev
sambashare sudo tape video
separator:
** Affects: guvcview (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-crash focal need-amd64-retrace
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1871464
Title:
guvcview crashed with SIGSEGV
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