From: Christoph Hellwig <hch@lst.de>
To: Enzo Matsumiya <ematsumiya@suse.de>
Cc: linux-nvme@lists.infradead.org, Keith Busch <kbusch@kernel.org>,
Jens Axboe <axboe@fb.com>, Christoph Hellwig <hch@lst.de>,
Sagi Grimberg <sagi@grimberg.me>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] nvme: add NO APST quirk for Kioxia device
Date: Tue, 9 Nov 2021 09:06:34 +0100 [thread overview]
Message-ID: <20211109080634.GA28581@lst.de> (raw)
In-Reply-To: <20211106020858.18625-1-ematsumiya@suse.de>
On Fri, Nov 05, 2021 at 11:08:57PM -0300, Enzo Matsumiya wrote:
> + },
> + {
> + /*
> + * This Kioxia device times out and aborts I/O during any load,
> + * but more easily reproducible with discards (fstrim).
> + *
> + * Device is left in a state that is also not possible to use "nvme set-feature"
> + * to disable APST, but booting with nvme_core.default_ps_max_latency=0 works.
> + */
Overly long lines here, but I can fix that up. Do you have a product
name for this device or is just a nameless OEM controller?
next prev parent reply other threads:[~2021-11-09 8:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-06 2:08 [RFC PATCH] nvme: add NO APST quirk for Kioxia device Enzo Matsumiya
2021-11-09 8:06 ` Christoph Hellwig [this message]
2021-11-09 15:04 ` Enzo Matsumiya
2021-11-10 6:08 ` Chaitanya Kulkarni
2021-11-10 15:23 ` Enzo Matsumiya
2021-11-11 10:01 ` Christoph Hellwig
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