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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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