The zeros was definitely a fluke. The disk operations of adding to the file
and updating the size was interrupted in the middle somewhere.




On Tue, Dec 17, 2013 at 1:37 PM, James Mazur <email address hidden> wrote:

> I'm not having any problems with printing.
>
> I ran the bug again and this time the log came up without the zeroes in
> it.  So that might have been a fluke, because my system locked up
> completely as normally (no response to any keyboard / touchpad action,
> at all).  There were also no lines from the past 10 minutes before the
> crash, which would have included when I first started Chromium and when
> I first visited the Google Maps page.
>
> I also played music in the background to see what would happen...it
> turned out that the same half-second of the song kept being repeated
> over and over again...it sounded like a broken record, or a skip in a
> CD.  Maybe the fact that the music didn't just stop gives a clue?
>
> Finally, I figured out what in particular seems to cause the lockup.  It
> is not just visiting Google Maps, or even just panning and zooming after
> doing a search.  It's, weird as it sounds, zooming out after having been
> zoomed in very close.
>
> --
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1250174
>
> Title:
>   chromium-browser crashed with SIGSEGV in
>   content::GpuWatchdogThread::DeliberatelyTerminateToRecoverFromHang()
>
> Status in Chromium Browser:
>   Unknown
> Status in “chromium-browser” package in Ubuntu:
>   Incomplete
>
> Bug description:
>   I was using Google Maps and Chromium froze up and crashed.  After
>   this, rendering of the new Google Maps page causes jagged lines to
>   appear in the browser page display section, until I reboot the
>   computer.  Killing and relaunching Chromium doesn't fix the problem.
>   The jagged lines still appear after computer reboot if I visit Google
>   Maps again, and again won't disappear until I restart the computer.
>
>   ProblemType: Crash
>   DistroRelease: Ubuntu 12.04
>   Package: chromium-browser 30.0.1599.114-0ubuntu0.12.04.3
>   ProcVersionSignature: Ubuntu 3.8.0-33.48~precise1-generic 3.8.13.11
>   Uname: Linux 3.8.0-33-generic x86_64
>   ApportVersion: 2.0.1-0ubuntu17.6
>   Architecture: amd64
>   ChromiumPrefs: can't open profile
> /home/jamesmaz/.config/chromium/Default/Preferences
>   Date: Mon Nov 11 13:10:09 2013
>   Desktop-Session:
>    DESKTOP_SESSION = ubuntu
>    XDG_CONFIG_DIRS = /etc/xdg/xdg-ubuntu:/etc/xdg
>    XDG_DATA_DIRS =
> /usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/
>   Env:
>    MOZ_PLUGIN_PATH = None
>    LD_LIBRARY_PATH = None
>   ExecutablePath: /usr/lib/chromium-browser/chromium-browser
>   InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
> (20130820.1)
>   MarkForUpload: True
>   ProcCmdline: /usr/lib/chromium-browser/chromium-browser\
> --type=gpu-process\ --channel=4656.10.459810737\
> --supports-dual-gpus=false\ --gpu-driver-bug-workarounds=0,6,18\
> --gpu-vendor-id=0x8086\ --gpu-device-id=0x0106\ --gpu-driver-vendor=Mesa\
> --gpu-driver-version=9.1.7
>   ProcEnviron:
>
>   SegvAnalysis:
>    Segfault happened at: 0x7f82c62ad43e:        movl   $0x1337,0x0
>    PC (0x7f82c62ad43e) ok
>    source "$0x1337" ok
>    destination "0x0" (0x00000000) not located in a known VMA region
> (needed writable region)!
>    Stack memory exhausted (SP below stack segment)
>   SegvReason: writing NULL VMA
>   Signal: 11
>   SourcePackage: chromium-browser
>   StacktraceTop:
>    ?? () from /usr/lib/chromium-browser/libs/libcontent.so
>    base::MessageLoop::RunTask(base::PendingTask const&) () from
> /usr/lib/chromium-browser/libs/libbase.so
>    base::MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) ()
> from /usr/lib/chromium-browser/libs/libbase.so
>    base::MessageLoop::DoDelayedWork(base::TimeTicks*) () from
> /usr/lib/chromium-browser/libs/libbase.so
>    ?? () from /usr/lib/chromium-browser/libs/libbase.so
>   Title: chromium-browser crashed with SIGSEGV in
> base::MessageLoop::RunTask()
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
>   chromium-default:
>    CHROMIUM_FLAGS=""
>    . /usr/lib/pepflashplugin-installer/pepflashplayer.sh
>   mtime.conffile..etc.chromium.browser.default: 2013-11-10T15:09:15.272458
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/chromium-browser/+bug/1250174/+subscriptions
>