Messages in this thread | | | Date | Mon, 16 Feb 2015 15:44:12 +0100 | From | Peter Zijlstra <> | Subject | Re: [sched/deadline] kernel BUG at kernel/sched/deadline.c:805! |
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On Mon, Feb 16, 2015 at 02:08:21PM +0100, Peter Zijlstra wrote: > On Mon, Feb 16, 2015 at 03:38:34PM +0300, Kirill Tkhai wrote: > > We shouldn't enqueue migrating tasks. Please, try this one instead ;) > > Ha, we should amend that task-rq-lock loop for that. See below. > > I've not yet tested; going to try and reconstruct a .config that > triggers the oops.
OK, I had to remove -enable-kvm from Wu's script, otherwise the test would not hit the CBS limit, and then I had to remove the panic on softlockup because well, qemu is so slow you're going to hit that :-)
But the good news is that I could reproduce and this patch does indeed seem to solve it.
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