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Date: Sat, 27 Jan 2007 11:19:27 +0100 From: Pieter Palmers <pieterp@...w.be> To: Ingo Molnar <mingo@...e.hu> CC: Lee Revell <rlrevell@...-job.com>, Steven Rostedt <rostedt@...dmis.org>, Thomas Gleixner <tglx@...utronix.de>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: status of: tasklet_unlock_wait() causes soft lockup with -rt and ieee1394 audio Ingo Molnar wrote: > * Pieter Palmers <pieterp@...w.be> wrote: > >> Dear all, >> >> What is the status with respect to this problem? I see that in the >> current -rt patch the problematic code piece is different. I >> personally haven't tried to reproduce this myself on a more recent >> kernel, but I just got a report from one of our users who experienced >> the same problem with 2.6.19-rt15 and RT preemption (desktop >> preemption works fine). >> >> Should the latest -rt patches be fixed with respect to this issue? If >> so I'll try and test them, otherwise I omit the effort. > > it's not fixed yet. Could you try the patch below? I just compiled & installed 2.6.20-rc6-rt2, and I saw that this patch was in the -rt2 patch, so I gave real-time preemption a shot. It seems to work, I don't experience lockups anymore. Thanks for the fix, Pieter - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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