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Re: [PATCH 1/1] mac80211: fix deadlock in sta->lock

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On Mon, May 26, 2008 at 5:40 PM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
> On Mon, 2008-05-26 at 17:32 +0300, Tomas Winkler wrote:
>> On Mon, May 26, 2008 at 5:19 PM, Johannes Berg
>> <johannes@xxxxxxxxxxxxxxxx> wrote:
>> > On Mon, 2008-05-26 at 17:09 +0300, Tomas Winkler wrote:
>> >> From: Ron Rindjunsky <ron.rindjunsky@xxxxxxxxx>
>> >>
>> >> This patch fixes a deadlock of sta->lock use, occuring while changing
>> >> tx aggregation states, as dev_queue_xmit end up in new function
>> >> test_and_clear_sta_flags that uses that lock thus leading to deadlock
>> >
>> > Oh, good catch, thanks. Reminds me to debug the other deadlock I saw
>> > (not mac80211 related though)
>> >
>> very encouraging :) . Can you send me details I also experience some
>> lockups on rc2
>
> Well when I resume my machine it locks up right after printing "eth0:
> resuming" or something like that, *iff* eth0 was down when suspending. I
> fixed a bug like that (NAPI related) a while ago, but w/o sungem changes
> it has re-appeared, or so it seems.
>
Thanks, doesn't look like what I see.
Tomas
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