iwlwifi crash with queue full and qos errors

[Abbas]

Reporting a possible regression with latest kernel 3.6.2-1. Intel's 
iwlwifi crashes intermittently.
Downgraded to 3.5.3.1 including the microcode drivers and didnot notice 
any crashes since.

Chunks from stack trace:

[108759.658475] iwlwifi 0000:03:00.0: fail to flush all tx fifo queues
[108761.655855] iwlwifi 0000:03:00.0: Error sending REPLY_QOS_PARAM: time out
after 2000ms.
[108761.655867] iwlwifi 0000:03:00.0: Failed to update QoS
..... repetitions ....
[108844.230466] iwlwifi 0000:03:00.0: Restarting adapter queue is full
[108844.230479] iwlwifi 0000:03:00.0: Error sending REPLY_SCAN_CMD:
enqueue_hcmd failed: -28
[108844.251368] ------------[ cut here ]------------
[108844.251383] WARNING: at drivers/net/wireless/iwlwifi/iwl-io.c:150
iwl_grab_nic_access+0x7f/0xf0 [iwlwifi]()
[108844.251385] Hardware name: 2306CTO
[108844.251477] Pid: 12818, comm: kworker/u:0 Not tainted 3.6.2-1-ARCH #1
[108844.251479] Call Trace:
[108844.251489]  [<ffffffff81055c2f>] warn_slowpath_common+0x7f/0xc0
[108844.251495]  [<ffffffff81055d26>] warn_slowpath_fmt+0x46/0x50
[108844.251501]  [<ffffffffa04e4838>] ? iwl_grab_nic_access_silent+0x188/0x200


------
abbas


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