[tip:core/locking] lockdep: Print out additional debugging advice when we hit lockdep BUGs

2013-04-26 Thread tip-bot for Dave Jones
additional debugging advice when we hit lockdep BUGs We occasionally get reports of these BUGs being hit, and the stack trace doesn't necessarily always tell us what we need to know about why we are hitting those limits. If users start attaching /proc/lock_stats to reports we may have more of a clue what's

Re: Print out additional debugging advice when we hit lockdep BUGs

2013-04-26 Thread Ingo Molnar
* Dave Jones wrote: > On Wed, Apr 24, 2013 at 08:48:13AM +0200, Ingo Molnar wrote: > > > These patterns repeated in 4 places really call for a common helper > > defined as print_lockdep_off(fmt...) or so? > > > > (Can be a followup patch if that's easier for you.) > > Given there was

Re: Print out additional debugging advice when we hit lockdep BUGs

2013-04-26 Thread Ingo Molnar
* Dave Jones da...@redhat.com wrote: On Wed, Apr 24, 2013 at 08:48:13AM +0200, Ingo Molnar wrote: These patterns repeated in 4 places really call for a common helper defined as print_lockdep_off(fmt...) or so? (Can be a followup patch if that's easier for you.) Given there

[tip:core/locking] lockdep: Print out additional debugging advice when we hit lockdep BUGs

2013-04-26 Thread tip-bot for Dave Jones
+0200 lockdep: Print out additional debugging advice when we hit lockdep BUGs We occasionally get reports of these BUGs being hit, and the stack trace doesn't necessarily always tell us what we need to know about why we are hitting those limits. If users start attaching /proc/lock_stats to reports

Re: Print out additional debugging advice when we hit lockdep BUGs

2013-04-25 Thread Dave Jones
On Wed, Apr 24, 2013 at 08:48:13AM +0200, Ingo Molnar wrote: > These patterns repeated in 4 places really call for a common helper > defined as print_lockdep_off(fmt...) or so? > > (Can be a followup patch if that's easier for you.) Given there was only one case which was really different,

Re: Print out additional debugging advice when we hit lockdep BUGs

2013-04-25 Thread Dave Jones
On Wed, Apr 24, 2013 at 08:48:13AM +0200, Ingo Molnar wrote: These patterns repeated in 4 places really call for a common helper defined as print_lockdep_off(fmt...) or so? (Can be a followup patch if that's easier for you.) Given there was only one case which was really different, I

Re: Print out additional debugging advice when we hit lockdep BUGs

2013-04-24 Thread Ingo Molnar
* Dave Jones wrote: > We occasionally get reports of these BUGs being hit, and the stack trace > doesn't necessarily always tell us what we need to know about why we are > hitting those limits. > > If users start attaching /proc/lock_stats to reports we may have more of > a clue what's going

Re: Print out additional debugging advice when we hit lockdep BUGs

2013-04-24 Thread Ingo Molnar
* Dave Jones da...@redhat.com wrote: We occasionally get reports of these BUGs being hit, and the stack trace doesn't necessarily always tell us what we need to know about why we are hitting those limits. If users start attaching /proc/lock_stats to reports we may have more of a clue

Print out additional debugging advice when we hit lockdep BUGs

2013-04-23 Thread Dave Jones
We occasionally get reports of these BUGs being hit, and the stack trace doesn't necessarily always tell us what we need to know about why we are hitting those limits. If users start attaching /proc/lock_stats to reports we may have more of a clue what's going on. Signed-off-by: Dave Jones --

Print out additional debugging advice when we hit lockdep BUGs

2013-04-23 Thread Dave Jones
We occasionally get reports of these BUGs being hit, and the stack trace doesn't necessarily always tell us what we need to know about why we are hitting those limits. If users start attaching /proc/lock_stats to reports we may have more of a clue what's going on. Signed-off-by: Dave Jones