Thread (60 messages) 60 messages, 11 authors, 2008-08-01

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

From: Larry Finger <hidden>
Date: 2008-07-22 19:32:37
Also in: lkml, netdev

Possibly related (same subject, not in this thread)

Patrick McHardy wrote:
Larry Finger wrote:
quoted
Patrick McHardy wrote:
quoted
Larry Finger wrote:
quoted
=============================================
[ 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.
quoted
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
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