[lkml]   [2011]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Mysterious CFQ crash and RCU
On Sun, May 22, 2011 at 09:30:57PM +0200, Paul Bolle wrote:
> On Sat, 2011-05-21 at 16:54 -0700, Paul E. McKenney wrote:
> > On Sun, May 22, 2011 at 12:23:50AM +0200, Paul Bolle wrote:
> > > Is anyone able to spot one or more commits in v2.6.39-rc7..v2.6.39 that
> > > might have fixed this Oops? Or did my chance of hitting this Oops,
> > > somehow, just got a lot smaller in v.2.6.39?
> As I just discovered, Fedora Rawhide ships release candidates configured
> with a lot more debugging options set than it ships final releases. So,
> sadly, this didn't get fixed in v2.6.39. It just didn't show up because
> one or more configuration options weren't set while they used to be set
> in the preceding release candidates kernels.
> > 5f45c69589b7d ("read_lock() does not always imply rcu_read_lock()") might
> > well be a fix.
> It doesn't really matter anymore, but that one was actually already
> included in v2.6.39-rc5.

OK, so maybe time to try out the debug approaches I called out earlier?

Thanx, Paul

 \ /
  Last update: 2011-05-22 22:15    [W:0.082 / U:53.668 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site