[Bug 577189] [NEW] iwl3945 "microcode SW error detected" under heavy net load

Launchpad Bug Tracker 577189 at bugs.launchpad.net
Fri May 7 23:00:03 UTC 2010


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Hello community,

Bug: "https://bugs.launchpad.net/linux/+bug/185470/ " is smarked as
closed/solved, but sorry to say, but I am having this bug in Ubuntu
Lucid. The Microcode error appears after heavy load.

Similar, if not the same bug, has been reported also:
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1593 and at the
end there is still a user with Ubuntu 9.10 RC having this issue.

Happens with kernel 2.6.32-19-generic-pae but also with 2.6.32-21
-generic-pae-phc (low voltage tunning).

Mostly happens after heavy net loads (download a 150Mb file from another
computer in the local network), after several seconds, sometimes it
works sometimes hangs (too often).

I have tried to load the module with the debug parameter, as described in http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1593, which is: "modprobe iwl3945 debug=0x43fff " but got the error:
[ 1019.362270] iwl3945: Unknown parameter `debug'

So, here is my dmesg | grep iwl3945:

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


** Tags: iwl3945 iwlwifi lucid
-- 
iwl3945 "microcode SW error detected" under heavy net load
https://bugs.edge.launchpad.net/bugs/577189
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