From: Keith Busch <kbusch@kernel.org>
To: Francesco Ruggeri <fruggeri@arista.com>
Cc: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
sagi@grimberg.me, hch@lst.de, axboe@fb.com
Subject: Re: nvme: hung task in blk_mq_freeze_queue_wait
Date: Tue, 8 Nov 2022 09:51:31 -0700 [thread overview]
Message-ID: <Y2qJE2Bpbvnf5Ejb@kbusch-mbp> (raw)
In-Reply-To: <20221108025602.E48005EC04F9@us226.sjc.aristanetworks.com>
On Mon, Nov 07, 2022 at 06:56:02PM -0800, Francesco Ruggeri wrote:
> [ 4390.119745] INFO: task kworker/u80:2:8279 blocked for more than 300 seconds.
> [ 4390.471456] Tainted: P O 4.19.142.Ar-29007847.buytenhb7335070 #1
That is an old kernel, I think it'd be worth trying something newer to
confirm if this observation isn't already fixed. Specifically, it looks
like you have multiple namespaces timing out IO near simultaneously, and
causing a mismatched handling. That kind of thing was fixed after the
follow (plus some prior dependencies):
commit d6135c3a1ec0cddda7b8b8e1b5b4abeeafd98289
Author: Keith Busch <kbusch@kernel.org>
Date: Tue May 14 14:46:09 2019 -0600
nvme-pci: Sync queues on reset
next prev parent reply other threads:[~2022-11-08 16:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-08 2:56 Francesco Ruggeri
2022-11-08 16:51 ` Keith Busch [this message]
2022-11-08 17:30 ` Francesco Ruggeri
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