Comment 55 for bug 575492

I've gotten the exact same bug when I upgraded to 11.04 Natty. This is with a Lenovo Thinkpad x201 connected to a N class network. This might or might not be valuable; but I haven't been able to reproduce this bug if I have a terminal ping the router continuously.

[ 4800.088380] iwlagn 0000:02:00.0: low ack count detected, restart firmware
[ 4800.088388] iwlagn 0000:02:00.0: On demand firmware reload
[ 4800.165358] iwlagn 0000:02:00.0: Stopping AGG while state not ON or starting
[ 4800.165369] iwlagn 0000:02:00.0: queue number out of range: 0, must be 10 to 19
[ 4800.660631] iwlagn 0000:02:00.0: iwlagn_tx_agg_start on ra = 00:21:91:19:0e:75 tid = 0
[ 4868.358086] iwlagn 0000:02:00.0: low ack count detected, restart firmware
[ 4868.358093] iwlagn 0000:02:00.0: On demand firmware reload
[ 4868.444607] iwlagn 0000:02:00.0: Stopping AGG while state not ON or starting
[ 4868.444617] iwlagn 0000:02:00.0: queue number out of range: 0, must be 10 to 19
[ 4902.073542] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 0
[ 4928.834497] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 2
[ 4982.888708] iwlagn 0000:02:00.0: iwlagn_tx_agg_start on ra = 00:21:91:19:0e:75 tid = 0
[ 5161.493345] iwlagn 0000:02:00.0: low ack count detected, restart firmware
[ 5161.493352] iwlagn 0000:02:00.0: On demand firmware reload
[ 5161.579948] iwlagn 0000:02:00.0: Stopping AGG while state not ON or starting
[ 5161.579958] iwlagn 0000:02:00.0: queue number out of range: 0, must be 10 to 19
[ 5221.868242] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 1
[ 5288.188606] iwlagn 0000:02:00.0: iwlagn_tx_agg_start on ra = 00:21:91:19:0e:75 tid = 0
[ 5377.590892] iwlagn 0000:02:00.0: low ack count detected, restart firmware
[ 5377.590898] iwlagn 0000:02:00.0: On demand firmware reload
[ 5377.668096] iwlagn 0000:02:00.0: Stopping AGG while state not ON or starting
[ 5377.668106] iwlagn 0000:02:00.0: queue number out of range: 0, must be 10 to 19
[ 5409.869194] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 0
[ 5491.906290] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 0
[ 5551.498164] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 1
[ 5622.093129] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 0
[ 5638.553827] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 6
[ 5647.876923] iwlagn 0000:02:00.0: iwlagn_tx_agg_start on ra = 00:21:91:19:0e:75 tid = 0
[ 5661.109406] iwlagn 0000:02:00.0: iwlagn_tx_agg_start on ra = 00:21:91:19:0e:75 tid = 0
[ 5668.649557] iwlagn 0000:02:00.0: low ack count detected, restart firmware
[ 5668.649563] iwlagn 0000:02:00.0: On demand firmware reload
[ 5668.727924] iwlagn 0000:02:00.0: Stopping AGG while state not ON or starting
[ 5668.727934] iwlagn 0000:02:00.0: queue number out of range: 0, must be 10 to 19
[ 5671.103920] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 2
[ 5680.268968] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 9
[ 5686.357514] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 9
[ 5693.217609] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 4
[ 5709.600184] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 1
[ 5720.954842] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 1
[ 5735.324151] iwlagn 0000:02:00.0: Aggregation not enabled for tid 0 because load = 0