From: Keith Busch <kbusch@kernel.org>
To: "Dr. David Alan Gilbert" <linux@treblig.org>
Cc: linux-block@vger.kernel.org, dm-devel@lists.linux.dev
Subject: Re: Repeatable, raid1+O_DIRECT, hang/warn
Date: Mon, 15 Jun 2026 11:19:43 -0600 [thread overview]
Message-ID: <ajA0L-u-r4nhbpfl@kbusch-mbp> (raw)
In-Reply-To: <ajAqUwo3eTm1c2_J@gallifrey>
On Mon, Jun 15, 2026 at 04:37:39PM +0000, Dr. David Alan Gilbert wrote:
> Hi Keith,
> Thanks for the patch, alas it doesn't seem to be helping here;
> the first warn is still the same
> and it still hangs the test process hard and eventually BUGs at
>
> void blk_mq_end_request(struct request *rq, blk_status_t error)
> {
> if (blk_update_request(rq, error, blk_rq_bytes(rq)))
> BUG();
Oh, that was not expected.
What is the dma alignment requirement of your backing devices? You can
find the attribute for sda at /sys/block/sda/queue/dma_alignment. I'm
expecting 511, but just want to double check.
next prev parent reply other threads:[~2026-06-15 17:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-14 17:57 Repeatable, raid1+O_DIRECT, hang/warn Dr. David Alan Gilbert
2026-06-15 10:34 ` Thorsten Leemhuis
2026-06-15 12:50 ` Dr. David Alan Gilbert
2026-06-15 13:07 ` Zdenek Kabelac
2026-06-15 13:20 ` Dr. David Alan Gilbert
2026-06-15 15:20 ` Keith Busch
2026-06-15 15:35 ` Keith Busch
2026-06-15 16:37 ` Dr. David Alan Gilbert
2026-06-15 17:19 ` Keith Busch [this message]
2026-06-15 17:42 ` Dr. David Alan Gilbert
2026-06-15 19:25 ` Keith Busch
2026-06-15 20:09 ` Keith Busch
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