[Bug 276476] [NEW] npviewer.bin segfaults, causes havoc, forces to reboot

[unikob]

Public bug reported:

Npviewer segfaults when visiting a website on Firefox with flash
content. After that thunderbird, firefox stop responding and they have
to be force quitted. Their processes (thunderbird.bin and firefox) can't
be killed with kill -9 or killall. After a while these messages turn up
on terminal:

(taken from kern.log)
Sep 30 22:37:19 ubuntu kernel: [19808.392380] INFO: task thunderbird-bin:28288 blocked for more than 120 seconds.
Sep 30 22:37:19 ubuntu kernel: [19808.392418] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

I have to reboot using Sysreq + reisub.

This happens at least once a day on fully updated (as of 30.09.2008)
Intrebid Ibex  on x86_64.

uname -a: Linux ubuntu 2.6.27-4-generic #1 SMP Wed Sep 24 01:29:06 UTC
2008 x86_64 GNU/Linux

Attached kern.log with relevant bits of two separate occasions.

** Affects: nspluginwrapper (Ubuntu)
     Importance: Undecided
         Status: New

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npviewer.bin segfaults, causes havoc, forces to reboot
https://bugs.launchpad.net/bugs/276476
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