Messages in this thread | | | Date | Thu, 25 Feb 2016 17:01:12 -0500 | From | Tejun Heo <> | Subject | Re: Freezable workqueue blocks non-freezable workqueue during the system resume process |
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Hello, Peter.
On Wed, Feb 24, 2016 at 03:24:30PM +0800, Peter Chen wrote: > > You might want to complain to the block-layer people about this. I > > don't know if anything can be done to fix it. > > > > Or maybe flush_work and flush_delayed_work can be changed to avoid > > blocking if the workqueue is frozen. Tejun? > > > > I have a patch to show the root cause of this issue. > > http://www.spinics.net/lists/linux-usb/msg136815.html
I don't get it. Why would it deadlock? Shouldn't things get rolling once the workqueues are thawed?
Thanks.
-- tejun
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