From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Date: Thu, 31 Jan 2013 09:21:46 +0000 Subject: Re: BUG: circular locking dependency detected Message-Id: <20130131092146.GB3361@kroah.com> List-Id: References: <20130130200648.GA13298@flint.arm.linux.org.uk> <20130130215211.GA28418@flint.arm.linux.org.uk> <20130130221946.GA14801@flint.arm.linux.org.uk> <20130131001339.GC14801@flint.arm.linux.org.uk> <20130131054002.GA3697@kroah.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Daniel Vetter Cc: Linus Torvalds , Russell King , Dave Airlie , Andrew Morton , Florian Tobias Schandinat , "linux-fbdev@vger.kernel.org" , Linux Kernel Mailing List , dri-devel On Thu, Jan 31, 2013 at 09:21:16AM +0100, Daniel Vetter wrote: > On Thu, Jan 31, 2013 at 6:40 AM, Greg Kroah-Hartman > wrote: > > On Thu, Jan 31, 2013 at 11:26:53AM +1100, Linus Torvalds wrote: > >> On Thu, Jan 31, 2013 at 11:13 AM, Russell King = wrote: > >> > > >> > Which may or may not be a good thing depending how you look at it; it > >> > means that once your kernel blanks, you get a lockdep dump. At that > >> > point you lose lockdep checking for everything else because lockdep > >> > disables itself after the first dump. > >> > >> Fair enough, we may want to revert the lockdep checking for > >> console_lock, and make re-enabling it part of the patch-series that > >> fixes the locking. > >> > >> Daniel/Dave? Does that sound reasonable? >=20 > Yeah, sounds good. >=20 > > Reverting the patch is fine with me. Just let me know so I can queue it > > up again for 3.9. >=20 > Can you please also pick up the (currently) three locking fixups > around fbcon? Just so that we don't repeat the same fun where people > complain about lockdep splats, but the fixes are stuck somewhere. And > I guess Dave would be happy to not end up as fbcon maintainer ;-) He > has a git branch with them at > http://cgit.freedesktop.org/~airlied/linux/log/?h=FBcon-locking-fixes > though I have a small bikeshed on his last patch pending. Care to just send me the patches through email when you all get done bikesheding? And for some reason I thought Andrew was going to handle these fbcon patches, but if not, I'll be glad to take them. thanks, greg k-h