Re: [patch 1/4] Ignore stolen time in the softlockup watchdog

2007-04-24 Thread Jeremy Fitzhardinge
Andrew Morton wrote: On Tue, 24 Apr 2007 13:00:49 -0700 Jeremy Fitzhardinge [EMAIL PROTECTED] wrote: Andrew Morton wrote: Well, it _is_ mysterious. Did you try to locate the code which failed? I got lost in macros and include files, and gave up very very easily. Stop hiding,

Re: [patch 1/4] Ignore stolen time in the softlockup watchdog

2007-04-24 Thread Jeremy Fitzhardinge
Andrew Morton wrote: It's weird. And I don't think the locking selftest code calls sched_clock() (or any other time-related thing) at all, does it? I guess it ends up going through the scheduler, which does use it. But... shrug J ___

Re: [patch 1/4] Ignore stolen time in the softlockup watchdog

2007-04-24 Thread Daniel Walker
On Tue, 2007-04-24 at 22:59 +0200, Ingo Molnar wrote: * Daniel Walker [EMAIL PROTECTED] wrote: On Tue, 2007-04-24 at 13:24 -0700, Jeremy Fitzhardinge wrote: And sched_clock's use of local_irq_save/restore appears to be absolutely correct, so I think it must be triggering a bug in

Re: [patch 1/4] Ignore stolen time in the softlockup watchdog

2007-04-24 Thread Andi Kleen
On Tuesday 24 April 2007 22:52:27 Daniel Walker wrote: On Tue, 2007-04-24 at 13:24 -0700, Jeremy Fitzhardinge wrote: And sched_clock's use of local_irq_save/restore appears to be absolutely correct, so I think it must be triggering a bug in either the self-tests or lockdep itself. Why

Re: [patch 1/4] Ignore stolen time in the softlockup watchdog

2007-04-24 Thread Daniel Walker
On Tue, 2007-04-24 at 23:20 +0200, Andi Kleen wrote: On Tuesday 24 April 2007 22:52:27 Daniel Walker wrote: On Tue, 2007-04-24 at 13:24 -0700, Jeremy Fitzhardinge wrote: And sched_clock's use of local_irq_save/restore appears to be absolutely correct, so I think it must be triggering a