So I guess you have three bugs:
1. Xorg crashed (this bug)
2. The webcam generates bad jpeg images
3. python-launchpadlib wasn't installed
I'd like to focus this bug report only to the first issue. Bug reports
for the second and third would be worth filing, but I'm not sure what to
file the webcam jpeg issue against.
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1168250
Title:
[Nexus7] Xorg crashed with SIGSEGV in __memcpy_ssse3_rep (from
sna_video_overlay_set_port_attribute(): guvcview crashed when changing
resolution of a picture
Status in “xorg-server” package in Ubuntu:
Confirmed
Bug description:
I was testing Lubuntu Nexus 7 session in a persistent live system.
First I noticed that it works with the built in camera :-)
Then I noticed that the default setting (to save a jpeg picture)
creates a bad picture file, that cannot be read by gpicview. Work-
around: save a png picture. I suggest that the default setting is
changed until the jpeg bug is fixed.
Finally a changed the resolution to 1280x720 which worked. But when I
changed back to the default 640x480, the program crashed the system
and sent me back to the log in screen.
#7 0xb774543e in FatalError (f=f@entry=0xb776d3c4 "Caught signal %d (%s).
Server aborting\n")
at ../../os/log.c:793
args = 0xbfbb8024 "\v"
args2 = 0xbfbb8024 "\v"
beenhere = 1
#8 0xb773cee8 in OsSigHandler (sip=0xbfbb804c, signo=11, unused=<optimized
out>)
at ../../os/osinit.c:146
#9 OsSigHandler (signo=11, sip=0xbfbb804c, unused=0xbfbb80cc) at
../../os/osinit.c:107
#10 <signal handler called>
#11 __memcpy_ssse3_rep () at
../sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S:1289
#12 0xb6f27892 in sna_video_overlay_set_port_attribute (scrn=0xb4bb4478,
attribute=614400,
value=614400, data=0xbfbb860c) at ../../../src/sna/sna_video_overlay.c:237
sna = 0x460
video = 0xbfbb860c
ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-core 2:1.13.3-0ubuntu5
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
Uname: Linux 3.8.0-17-generic i686
ApportVersion: 2.9.2-0ubuntu5
Architecture: i386
CasperVersion: 1.330
Date: Fri Apr 12 08:14:26 2013
ExecutablePath: /usr/bin/Xorg
LiveMediaBuild: Lubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130410)
MarkForUpload: True
ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp
vt7 -novtswitch
ProcEnviron:
Signal: 6
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
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