Re: 3.3.0-rc6-next-20120305 - iwlwifi BUG sleeping function called from invalid context (2 similar ones)

On Wed, 2012-03-07 at 08:24 -0500, Valdis.Kletnieks@vt.edu wrote:

Seen in my dmesg, 3.3.0-rc6-next20120305.  Dell Latitude E6500,
Intel 5100 wireless card.  Seems to be pretty reproducible.

Have hit this one 368 times in 10 hours of uptime:

[  159.765059] wlan0: authenticate with d8:c7:c8:81:98:f0
[  159.767884] wlan0: send auth to d8:c7:c8:81:98:f0 (try 1/3)
[  159.769451] wlan0: authenticated
[  159.769870] wlan0: waiting for beacon from d8:c7:c8:81:98:f0
[  159.881293] wlan0: associate with d8:c7:c8:81:98:f0 (try 1/3)
[  159.883470] wlan0: RX AssocResp from d8:c7:c8:81:98:f0 (capab=0x511 status=0 aid=4)
[  159.883474] wlan0: associated
[  159.890205] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  164.620017] BUG: sleeping function called from invalid context at drivers/net/wireless/iwlwifi/iwl-trans.h:459

Yeah, thanks for the report -- it's an erroneous might_sleep() in a
function that can't and won't sleep. There's a patch on the way to
remove it.

johannes