Public bug reported:
Much of the time, firefox 47.0 will crash when displayed remotely. Both
local and remote PCs are Ubuntu 14.04 with all patches applied as of
today.
To reproduce, log into pc1 console then "ssh -X pc2.domain.dom" then:
>firefox -P --no-remote
[7663] ###!!! ABORT: X_ShmPutImage: BadShmSeg (invalid shared segment
parameter); 2 requests ago: file
/build/firefox-sKY334/firefox-47.0+build3/toolkit/xre/nsX11ErrorHandler.cpp,
line 157
[7663] ###!!! ABORT: X_ShmPutImage: BadShmSeg (invalid shared segment
parameter); 2 requests ago: file
/build/firefox-sKY334/firefox-47.0+build3/toolkit/xre/nsX11ErrorHandler.cpp,
line 157
ExceptionHandler::GenerateDump cloned child 7815
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
Segmentation fault (core dumped)
This did not happen with 46.0.1+build1-0ubuntu0.14.04.3. It is stable,
confirmed with downgrade on pc2.
Tested on 3 different systems with identical results.
1) >lsb_release -rd
Description: Ubuntu 14.04.4 LTS
Release: 14.04
2) >apt-cache policy firefox
firefox:
Installed: 47.0+build3-0ubuntu0.14.04.1
Candidate: 47.0+build3-0ubuntu0.14.04.1
Version table:
*** 47.0+build3-0ubuntu0.14.04.1 0
3) Firefox should launch and be relatively stable
4) Firefox crashes with one of the following errors:
[7663] ###!!! ABORT: X_ShmPutImage: BadShmSeg (invalid shared segment
parameter); 2 requests ago: file
/build/firefox-sKY334/firefox-47.0+build3/toolkit/xre/nsX11ErrorHandler.cpp,
line 157
[15679] ###!!! ABORT: X_ShmDetach: BadShmSeg (invalid shared segment
parameter); 2 requests ago: file /build/firefox-
sKY334/firefox-47.0+build3/toolkit/xre/nsX11ErrorHandler.cpp, line 157
[15920] ###!!! ABORT: X_ShmAttach: BadAccess (attempt to access private
resource denied); 3 requests ago: file /build/firefox-
sKY334/firefox-47.0+build3/toolkit/xre/nsX11ErrorHandler.cpp, line 157
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1594953
Title:
47.0+build3-0ubuntu0.14.04.1 crashes on remote X11 display
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