Re: System hangs if NVMe/SSD is removed during suspend

From: Mika Westerberg
Date: Fri Oct 04 2019 - 04:03:45 EST


On Thu, Oct 03, 2019 at 09:50:33AM -0700, Tejun Heo wrote:
> Hello, Mika.
>
> On Wed, Oct 02, 2019 at 03:21:36PM +0300, Mika Westerberg wrote:
> > but from that discussion I don't see more generic solution to be
> > implemented.
> >
> > Any ideas we should fix this properly?
>
> Yeah, the only fix I can think of is not using freezable wq. It's
> just not a good idea and not all that difficult to avoid using.

OK, thanks.

In that case I will just make a patch that removes WQ_FREEZABLE from
bdi_wq and see what people think about it :)