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

Larry Finger
2008-07-22T19:32:37Z

Patrick McHardy wrote:
> 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]

Sorry. After all those kernel builds I got bleary-eyed and just looked for
recursive locking without any regard for the details.

Larry