linux-kernel - Re: [PATCH] block: fix NPE when resuming SCSI devices using blk-mq

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Message-ID: <20180730150015.bpgckk73e3jyz4zc@nomi.cz>
Date:   Mon, 30 Jul 2018 17:00:15 +0200
From:   Tomas Janousek <tomi@...i.cz>
To:     Ming Lei <ming.lei@...hat.com>
Cc:     Patrick Steinhardt <ps@....im>, Ming Lei <tom.leiming@...il.com>,
        Jens Axboe <axboe@...nel.dk>,
        linux-block <linux-block@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] block: fix NPE when resuming SCSI devices using blk-mq

Hi Ming,

On Mon, Jul 30, 2018 at 07:50:03PM +0800, Ming Lei wrote:
> Now runtime PM is still enabled for sd/sr, and I believe the following
> patch is needed until we figure out one perfect way for supporting it
> well:
> [...]
> +		pm_runtime_disable(dev);

Awesome, thanks for the quick reaction! :-)

(I don't happen to have a .config for the hardware I'm experincing the problem
on, so don't expect a Tested-By from me, but I don't see why it wouldn't fix
the issue, and it did for Patrick.)

-- 
Tomáš Janoušek, a.k.a. Pivník, a.k.a. Liskni_si, http://work.lisk.in/