Messages in this thread | | | Date | Tue, 13 Sep 2016 11:35:20 -0400 | From | Tejun Heo <> | Subject | Re: net/bluetooth: workqueue destruction WARNING in hci_unregister_dev |
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Hello,
On Sat, Sep 10, 2016 at 11:33:48AM +0200, Dmitry Vyukov wrote: > Hit the WARNING with the patch. It showed "Showing busy workqueues and > worker pools:" after the WARNING, but then no queue info. Was it > already destroyed and removed from the list?...
Hmm... It either means that the work item which was in flight when WARN_ON() ran finished by the time the debug printout got to it or that it's something unrelated to busy work items.
> [ 198.113838] WARNING: CPU: 2 PID: 26691 at kernel/workqueue.c:4042 > destroy_workqueue+0x17b/0x630
I don't seem to have the same source code that you have. Which exact WARN_ON() is this?
Thanks.
-- tejun
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