Re: Processes spinning forever, apparently in lock_timer_base()?

2007-09-21 Thread Matthias Hensler
On Thu, Sep 20, 2007 at 03:36:54PM -0700, Andrew Morton wrote: That's all a bit crappy if the wrong races happen and some other task is somehow exceeding the dirty limits each time this task polls them. Seems unlikely that such a condition would persist forever. How exactly do you define

Re: [Suspend2-devel] Problem with CFS V20 and Suspend2/tuxonice

2007-08-25 Thread Matthias Hensler
Hi! On Sat, Aug 25, 2007 at 06:52:20PM +0200, Christian Hesse wrote: On Saturday 25 August 2007, Fabio Comolli wrote: On 8/25/07, David Rodriguez [EMAIL PROTECTED] wrote: I'm using 2.6.22.5 with cfs v20.3 and suspend2 2.2.10.2. With that combination, suspend is not working anymore

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-08-09 Thread Matthias Hensler
On Sat, Aug 04, 2007 at 10:44:26AM +0200, Matthias Hensler wrote: On Fri, Aug 03, 2007 at 11:34:07AM -0700, Andrew Morton wrote: [...] I am also willing to try the patch posted by Richard. I want to give some update here: 1. We finally hit the problem on a third system, with a total different

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-08-09 Thread Matthias Hensler
On Thu, Aug 09, 2007 at 09:55:34AM -0700, Andrew Morton wrote: On Thu, 9 Aug 2007 11:59:43 +0200 Matthias Hensler [EMAIL PROTECTED] wrote: On Sat, Aug 04, 2007 at 10:44:26AM +0200, Matthias Hensler wrote: On Fri, Aug 03, 2007 at 11:34:07AM -0700, Andrew Morton wrote: [...] I am also

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-08-04 Thread Matthias Hensler
On Fri, Aug 03, 2007 at 11:34:07AM -0700, Andrew Morton wrote: (attempting to cc Matthias. If I have the wrong one, please fix it up) You got the correct one. Looks like the same problem with spinlock unfairness we've seen elsewhere: it seems to be looping here? Or is everyone stuck just

Re: [Suspend2-devel] Problem with CFS V20 and Suspend2/tuxonice

2007-08-25 Thread Matthias Hensler
Hi! On Sat, Aug 25, 2007 at 06:52:20PM +0200, Christian Hesse wrote: > On Saturday 25 August 2007, Fabio Comolli wrote: > > On 8/25/07, David Rodriguez <[EMAIL PROTECTED]> wrote: > > > I'm using 2.6.22.5 with cfs v20.3 and suspend2 2.2.10.2. With > > > that combination, suspend is not working

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-08-09 Thread Matthias Hensler
On Sat, Aug 04, 2007 at 10:44:26AM +0200, Matthias Hensler wrote: > On Fri, Aug 03, 2007 at 11:34:07AM -0700, Andrew Morton wrote: > [...] > I am also willing to try the patch posted by Richard. I want to give some update here: 1. We finally hit the problem on a third system, wit

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-08-09 Thread Matthias Hensler
On Thu, Aug 09, 2007 at 09:55:34AM -0700, Andrew Morton wrote: > On Thu, 9 Aug 2007 11:59:43 +0200 Matthias Hensler <[EMAIL PROTECTED]> wrote: > > On Sat, Aug 04, 2007 at 10:44:26AM +0200, Matthias Hensler wrote: > > > On Fri, Aug 03, 2007 at 11:34:07AM -0

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-08-04 Thread Matthias Hensler
On Fri, Aug 03, 2007 at 11:34:07AM -0700, Andrew Morton wrote: > (attempting to cc Matthias. If I have the wrong one, please fix it up) You got the correct one. > > Looks like the same problem with spinlock unfairness we've seen > > elsewhere: it seems to be looping here? Or is everyone stuck >

Re: Processes spinning forever, apparently in lock_timer_base()?

2007-09-21 Thread Matthias Hensler
On Thu, Sep 20, 2007 at 03:36:54PM -0700, Andrew Morton wrote: > That's all a bit crappy if the wrong races happen and some other task > is somehow exceeding the dirty limits each time this task polls them. > Seems unlikely that such a condition would persist forever. How exactly do you define