Public bug reported:
When not connected to a wireless access point and the wireless card is idle
scanning for access points the following message is output in both dmesg and
kern.log repeatedly with less than a second in between: [ 119.885976] iwl3945:
Error sending REPLY_LEDS_CMD: iwl3945_enqueue_hcmd failed: -28
[ 119.885994] iwl3945: No space for Tx.
Further investigation lead me to install ubuntu 7.10 and run similar
tests and found that the previous driver ipw3945 did not output these
errors when idle.
The release of kernel 2.6.27-9 made this matter worse and caused me to
revert to kernel 2.6.27-7:14, but this kernel still freezes and the same
errors are occuring.
It is my belief from these logs and comparison between ubuntu 7.10 and
8.10 that when iwl3945 replaced ipw3945 in 8.04 (the reason I did not
update to 8.10 in the first place) it is more than a mere coincidence
that the time I started experiencing system freezes is in fact due to a
flaw in the new wireless driver iwl3945.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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iwl3945 Wireless Driver - Random System Freezes
https://bugs.launchpad.net/bugs/305267
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