Re: Kernel WARNING: at net/core/dev.c:1330 __netif_schedule+0x2c/0x98()

Patrick McHardy
2008-07-22T18:45:13Z

Larry Finger wrote:
> Patrick McHardy wrote:
>> Larry Finger wrote:
>>>
>>> =============================================
>>> [ INFO: possible recursive locking detected ]
>>> 2.6.26-Linus-git-05752-g93ded9b #49
>>
>> ^^^^^^^^^^^^^^ dirty?
>>
>> This kernel is not using the patches we sent.
>
> No, but they didn't make any difference. I tried with all 3 applied,
> then backed them out one by one. That was the state when I posted before.

Well, this is a completely different warning.

>
> Here are the dumps with all 3 patches applied:
>
> =============================================
> [ INFO: possible recursive locking detected ]
> 2.6.26-Linus-05752-g93ded9b-dirty #53
> ---------------------------------------------
> b43/1997 is trying to acquire lock:
> (_xmit_IEEE80211#2){-...}, at: [<ffffffffa028f322>]
> ieee80211_scan_completed+0x130/0x2e1 [mac80211]
>
> but task is already holding lock:
> (_xmit_IEEE80211#2){-...}, at: [<ffffffffa028f322>]
> ieee80211_scan_completed+0x130/0x2e1 [mac80211]