Re: bfq/ext4 disk IO hangs forever on resume

From: Alex Xu
Date: Fri Aug 18 2017 - 16:29:32 EST


On Tue, 25 Jul 2017 20:18:07 +0800
Ming Lei <tom.leiming@xxxxxxxxx> wrote as excerpted:

> On Mon, Jun 26, 2017 at 11:07 AM, Alex Xu <alex_y_xu@xxxxxxxx> wrote:
> > Hi,
> >
> > I get hangs when resuming when using bfq-mq with ext4 on 4.12-rc6+
> > (currently a4fd8b3accf43d407472e34403d4b0a4df5c0e71).
>
> Please test the following patch to see if it can help your issue:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-linus&id=765e40b675a9566459ddcb8358ad16f3b8344bbe
>

I tried 4.13-rc3+ (including that commit) and still have (seemingly)
the same issue.