Re: Lockdep splat when unloading b43

2013-02-24 Thread Larry Finger
On 02/24/2013 12:14 PM, Johannes Berg wrote: On Sun, 2013-02-24 at 11:31 -0600, Larry Finger wrote: Thanks for the detailed analysis. It was very helpful. Here request_firmware calls wiphy_register which locks the RTNL, and it's running from the work struct. This was newly introduced by commi

Re: Lockdep splat when unloading b43

2013-02-24 Thread Michael Büsch
On Sun, 24 Feb 2013 11:31:47 -0600 Larry Finger wrote: > With the current wireless-testing tree, unloading b43 produces the lockdep > log > splat copied below. My understanding of locking is deficient, and I would > like > to learn. Any help on understanding this problem is appreciated. A fe

Re: Lockdep splat when unloading b43

2013-02-24 Thread Larry Finger
On 02/24/2013 12:32 PM, Michael Büsch wrote: On Sun, 24 Feb 2013 11:31:47 -0600 Larry Finger wrote: With the current wireless-testing tree, unloading b43 produces the lockdep log splat copied below. My understanding of locking is deficient, and I would like to learn. Any help on understanding

Re: Lockdep splat when unloading b43

2013-02-24 Thread Johannes Berg
On Sun, 2013-02-24 at 11:31 -0600, Larry Finger wrote: > With the current wireless-testing tree, unloading b43 produces the lockdep > log > splat copied below. My understanding of locking is deficient, and I would > like > to learn. Any help on understanding this problem is appreciated. > [ 30

Lockdep splat when unloading b43

2013-02-24 Thread Larry Finger
With the current wireless-testing tree, unloading b43 produces the lockdep log splat copied below. My understanding of locking is deficient, and I would like to learn. Any help on understanding this problem is appreciated. Larry [ 3093.900871] =