Messages in this thread | | | Date | Fri, 12 May 2006 09:38:50 -0400 | From | Mark Hounschell <> | Subject | Re: rt20 patch question |
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Steven Rostedt wrote: > On Fri, 12 May 2006, Mark Hounschell wrote: > >> Ingo Molnar wrote: >>> Mark, does this fix the problem? >>> >>> Ingo >>> > [...] >> It looks like it does fix at least the BUG and network disconnection >> problem I am/was seeing. It's been 45 minutes or so without a glitch. >> >> I'm still not running this in complete preempt mode. Should I see if it >> helps that situation also? It only took a few minutes for that one to >> show up. >> > > > I was looking at the logdump, but I don't see anything spinning. CPU 1 > seems to be constantly running your v67 program (alternating with > posix_cpu_timer), and CPU: 0 is still switching with the swapper, along > with other tasks, so that this means nothing is just spinning and hogging > the CPU (on CPU 0, but I assume the v67 tasks is suppose to keep running). > > But, this could mean that something is blocked on a lock, or missed a > wakeup somewhere and we block X from responding. Although X is shown up, > but some signal to do an event my be prevented. > > I wonder if the fact that softirqs are running with preemption enabled, is > the problem here. > > Could you try the patch that Ingo sent here: > > http://marc.theaimsgroup.com/?l=linux-kernel&m=114741312301909&q=raw > > -- Steve > >
If anything this made it worse. I actually got the freezes while just booting up the emulation. Once up, the same thing though.
>Mark, > > as Ingo commented, this is a Hack! not a solution.
Understood.
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