Messages in this thread |  | | Date | Mon, 10 Nov 2014 17:16:56 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v4] sched/numa: fix unsafe get_task_struct() in task_numa_assign() |
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On Mon, Nov 10, 2014 at 11:09:29AM -0500, Sasha Levin wrote: > On 11/10/2014 11:03 AM, Peter Zijlstra wrote: > > On Fri, Nov 07, 2014 at 10:48:27PM -0500, Sasha Levin wrote: > >> [ 829.539183] BUG: spinlock recursion on CPU#10, trinity-c594/11067 > >> [ 829.539203] lock: 0xffff880631dd6b80, .magic: dead4ead, .owner: trinity-c594/11067, .owner_cpu: 13 > > > > Ooh, look at that. CPU#10 vs .owner_cpu: 13 on the _same_ task. > > > > One of those again :/ > > Hum. I missed that one. > > Hold on, but the magic here is fine and the owner pointer is fine, why would just the owner cpu > be wrong?
I've no clue, but I've seen them before. Complete mystery that.
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