Messages in this thread | | | Date | Thu, 20 Oct 2016 09:17:50 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: bio linked list corruption. |
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On Thu, 20 Oct 2016, Ingo Molnar wrote: > * Linus Torvalds <torvalds@linux-foundation.org> wrote: > > So I don't think it's related. Yours looks like some subtle timer base > > race. It smells like a locking problem with timers. I'm not seeing > > what it might be, but it *might* have been fixed by doing the > > TIMER_MIGRATING bit right in add_timer_on() (commit 22b886dd1018).
4.1 does not have the new fangled timer wheel. So 22b886dd1018 is irrelevant.
> > Adding some timer people just in case, but I don't think your 4.1 > > report is related.
This looks like one of the classic issues where an enqueued timer gets freed/reinitialized or otherwise manipulated. So yes, Ingos recommendation for debugging is the right thing to do.
Thanks,
tglx
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