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[Markus Majer <mm@xxxxxxxxx>]

You can add the tag "vivid"..
The bug still exists in Ubuntu 15.04!

Please fix it, because it also can used for other bad things besides just crashing Nautilus:
http://www.ubuntu.com/usn/usn-1315-1/

Here my dmesg output:
[ 9415.337774] nautilus[11166]: segfault at 7f4d50c5c540 ip 00007f4d28a3701c sp 00007f4d50c5c530 error 7 in libjasper.so.1.0.0[7f4d28a10000+4c000]
[ 9666.642346] nautilus[11391]: segfault at 7f01295a4540 ip 00007f00f39ca01c sp 00007f01295a4530 error 6 in libjasper.so.1.0.0[7f00f39a3000+4c000]
[ 9685.330281] nautilus[11438]: segfault at 7f778a096540 ip 00007f7789c9301c sp 00007f778a096530 error 6 in libjasper.so.1.0.0[7f7789c6c000+4c000]
[11242.749456] nautilus[14785]: segfault at 7f7f29a9b540 ip 00007f7f0064201c sp 00007f7f29a9b530 error 6 in libjasper.so.1.0.0[7f7f0061b000+4c000]
[11373.131440] nautilus[14976]: segfault at 7fca7d85f430 ip 00007fca5c3c601c sp 00007fca7d85f420 error 6 in libjasper.so.1.0.0[7fca5c39f000+4c000]

I can also confirm that it affects JPEG2000 files with transparency.

I had a hard time to figure out the problem and extract the file that was the reason. 
I moved it to a seperate folder with the console and opened it again, and it crashed every time changing in that folder.
Opening the file with GIMP or EOG, started from the console, it was no problem to display it.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nautilus in Ubuntu.
https://bugs.launchpad.net/bugs/427100

Title:
  JPEG2000 thumbnail causes browser to crash

Status in jasper package in Ubuntu:
  Confirmed
Status in nautilus package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: nautilus

  Attached file was generated by the Meerkat Second Life viewer.

  THe file is a "texture" file in JPEG2000 format.  The file reads
  properly with the Meerkat viewer (Linux and Windows) and with
  IrfanView (Windows). Nautilus correctly lists this file unless the
  thumbnail function is enabled.

  With thumbnail enabled Nautilus reads about 70% of the JPEG2000 files
  then crashes. No crash report is generated.

  However the SECOND time that the file is listed the thumbnail works!

  This is a problem since there are several hundred of these files in a
  directory.

  I have been unable to find a validation tool for JPEG2000 to rule out
  format errors in the file itself.

  I can supply many more examples of these files if it would help trace
  the problem!

  ProblemType: Bug
  Architecture: i386
  DistroRelease: Ubuntu 9.04
  ExecutablePath: /usr/bin/nautilus
  NonfreeKernelModules: nvidia
  Package: nautilus 1:2.26.2-0ubuntu2
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: nautilus
  Uname: Linux 2.6.28-14-generic i686

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