From: Kyrylo Biryuk <illofspeed@gmail.com>
To: rylos78@gmail.com
Cc: cassel@kernel.org, dlemoal@kernel.org, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] ata: libata-pmp: disable the SEMB port on Marvell 88SM9705
Date: Sat, 7 Nov 2026 09:13:35 +0100 [thread overview]
Message-ID: <20261107081335.3360920-1-illofspeed@gmail.com> (raw)
In-Reply-To: <20261103215706.508495-1-illofspeed@gmail.com>
Tested on a Synology DX1222: four 88SM9705 (0x1b4b:0x9705 r160,
6 ports) behind an 88SE9235 that is passed through to a KVM guest,
6 disks. The same 7.4-rc1 tree built with and without the patch,
one boot each:
softreset reset failed, last disk
failed giving up attached
7.4-rc1, no libata.force 60 12 197 s
7.4-rc1, libata.force=N.05:norst 0 0 70 s
7.4-rc1 + this patch, no force 0 0 11 s
With the patch, each PMP logs one "ataN.05: failed to resume link
(SControl 0)" and port 5 is then left alone. The same disks attach
in all three boots.
Tested-by: Kyrylo Biryuk <illofspeed@gmail.com>
The test boots were scripted and run by an AI coding assistant on
my hardware; I checked the logs.
Kyrylo Biryuk
next prev parent reply other threads:[~2026-11-07 8:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-28 19:50 [PATCH] ata: libata-pmp: disable the SEMB port on Marvell 88SM9705 Marco Ziliani
2026-11-02 16:05 ` Niklas Cassel
2026-11-03 21:57 ` Kyrylo Biryuk
2026-11-07 8:13 ` Kyrylo Biryuk [this message]
2026-11-07 10:53 ` Marco Ziliani
2026-11-07 12:53 ` Niklas Cassel
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