Re: bug in tty ldisc and friends
From: Ingo Molnar
Date: Tue Jun 16 2009 - 05:10:00 EST
* Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> > Hm, have you tried the patch i sent to you that extends the
> > number-lock-locks-tracked limit you have run into? It is
> > trivial.
> I tried upping the number of locks a while ago - it has no effect,
> which checking on irc seems to fit the general pattern of the
> reports against Fedora.
> The good thing is I trigger this at boot time reliably - so if
> you've got some debug stuff you want to stick in I can do that
Could you please turn on CONFIG_DEBUG_LOCKDEP=y and after the
overflow has happened, send us (or upload somewhere) the output of
"cat /proc/lock*" ?
If we run out of chains then the source of the leak should be
clearly visible in that debug outpt.
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