gcu-pluging prevents nspluginwrapper and flash install on jaunty 9.04

Bug #367448 reported by jamesh on 2009-04-26
Affects Status Importance Assigned to Milestone
gnome-chemistry-utils (Ubuntu)

Bug Description

Many people are seeing problems with the flash plugin when upgrading from Intrepid to Jaunty. Some of these are due to "nspluginwrapper -a -v -u" being run during the install, which scans for plugins to wrap in nspluginwrapper.

It seems that the gcu-plugin causes nspluginwrapper to segfault (error 139). This has a bug report in nspluginwrapper (bug# 363799), but you might want to mark gcu-plugin and nspluginwrapper as conflicting or check to make sure if this can be corrected in the gcu-plugin package.

The comments describing this problem and the solution of un-installing gcu-plugin

The gcu-plugin is a cool package, but most people probably need flash (youtube, ect.) to work more than they want gcu-plugin.


$ uname -a
Linux - 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC 2009 x86_64 GNU/Linux
$ lsb_release -ra
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 9.04
Release: 9.04
Codename: jaunty
$ apt-cache policy gcu-plugin nspluginwrapper
  Installed: (none)
  Candidate: 0.8.6-1ubuntu5
  Version table:
     0.8.6-1ubuntu5 0
        500 http://us.archive.ubuntu.com jaunty/universe Packages
  Installed: 1.2.2-0ubuntu5
  Candidate: 1.2.2-0ubuntu5
  Version table:
 *** 1.2.2-0ubuntu5 0
        500 http://us.archive.ubuntu.com jaunty/multiverse Packages
        100 /var/lib/dpkg/status

As far as I understand the problem there is appearently a bug in nspluginwrapper which leads to a segmentation fault. This bug should be fixed. Conflicting with nspluginwrapper won't fix the bug.

gcu-plugin is not the culprit, when nspluginwrapper contains a programming issue.

dlclose(".../libmozgcu.so") segfaults. I cannot reproduce the crash on a Debian Sid but it appears reproducibly on Ubuntu amd64/i386 systems and only with the plugin compiled there. Unfortunatly gdb reports an internal error, so the crash is hard to catch. Could be a bug in Ubuntus libc6.


Closing. This is not related to the gcu-plugin and may occur with other plugins as well.

Changed in gnome-chemistry-utils (Ubuntu):
status: New → Invalid
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