Messages in this thread | | | Subject | Re: [ANNOUNCE] 3.0-rt6 : BUG at kernel/trmutex.c:724! | From | Peter Zijlstra <> | Date | Thu, 04 Aug 2011 18:37:09 +0200 |
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On Thu, 2011-08-04 at 18:34 +0200, Tim Sander wrote: > I was really happy to find 6 preempt rt releases for the 3.0 kernel after holliday :-). > > So i went for a testdrive and found an error: The error occurs in a non released non > mainline kernel and is available from me upon request. It has been working on > (2.6.39,3.0) but is not working on 3.0-rt6. It fails in an interrupt which calls: > > wake_up_interruptible(&hbm_device.wait); > > The waitque has been initialized with: > init_waitqueue_head(&hbm_device.wait); > before interrupts where enabled. So i don't think its a race.
looks like it tries to use waitqueues from hardirq context, that's a no-no for -rt. That interrupt should be a threaded interrupt.
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