On Wed, Aug 19, 2009 at 4:47 PM, Fabio Comolli<fabio.comolli@xxxxxxxxx> wrote:
> Hi all.
> I see the following warning on an eeePC 900 (AR5001) running
> 2.6.31-rc6 after a suspend/resume cycle:
>
> [ 292.377941] ------------[ cut here ]------------
> [ 292.377976] WARNING: at net/mac80211/mlme.c:2292
> ieee80211_sta_work+0x89/0xc39 [mac80211]()
if (WARN_ON(local->suspended)) ...
> [ 292.378457] [<c10199da>] ? __wake_up+0x1d/0x3d
> [ 292.378466] [<c102a529>] ? insert_work+0x8f/0x96
> [ 292.378473] [<c102a777>] ? queue_work_on+0x24/0x2b
> [ 292.378480] [<c102a7a5>] ? queue_work+0x1a/0x39
> [ 292.378506] [<f87e64dc>] ?
> ieee80211_mlme_notify_scan_completed+0x40/0x66 [mac80211]
> [ 292.378532] [<f87e3caa>] ? ieee80211_scan_completed+0x2ef/0x2fc [mac80211]
Looks like ieee80211_scan_completed() racing with suspend()?
> ieee80211_mesh_notify_scan_completed+0x4d/0x64 [mac80211]
> Aug 10 20:08:35 archeee kernel: [ 1440.841185] [<f84860ce>] ?
> ieee80211_scan_completed+0x327/0x32f [mac80211]
Same here.
> The effect is that after the warning the interface is unusable until
> disabled and reenabled with the rfkill switch.
Interesting, I tried and didn't reproduce it, but I wasn't trying
while scanning before.
--
Bob Copeland %% www.bobcopeland.com
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