Messages in this thread | | | Date | Wed, 30 Mar 2016 14:43:56 +0200 | From | Peter Zijlstra <> | Subject | Re: [Linux-v4.6-rc1] ext4: WARNING: CPU: 2 PID: 2692 at kernel/locking/lockdep.c:2017 __lock_acquire+0x180e/0x2260 |
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On Wed, Mar 30, 2016 at 11:49:57AM +0200, Sedat Dilek wrote: > On Wed, Mar 30, 2016 at 11:36 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> > OK, so while the code in check_no_collision() seems sensible, it relies > > on borken bits. > > > > The whole chain_hlocks and /proc/lockdep_chains stuff appears to have > > been buggered from the start. > > > > The below patch should fix this. > > > > checkpatch.pl says... > > WARNING: Prefer seq_puts to seq_printf > #124: FILE: kernel/locking/lockdep_proc.c:145: > + seq_printf(m, "(buggered) ");
Yeah, sod checkpatch ;-)
What's in your /proc/lockdep_stats file?
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