From: Damien Le Moal <dlemoal@kernel.org>
To: hexlabsecurity@proton.me, Niklas Cassel <cassel@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH] ata: libata-core: Add NOLPM quirk for PNY CS900 1TB SSD
Date: Thu, 25 Jun 2026 10:03:05 +0900 [thread overview]
Message-ID: <1fdef0bb-c4cb-4baf-9f30-dac406a4c11d@kernel.org> (raw)
In-Reply-To: <20260619-b4-disp-494070d2-v1-1-0c6d7be96237@proton.me>
On 6/20/26 11:54 AM, Bryam Vargas via B4 Relay wrote:
> From: Bryam Vargas <hexlabsecurity@proton.me>
>
> The PNY CS900 1TB SSD (Phison PS3111-S11, DRAM-less) drops off the bus
> after entering Device-Initiated Slumber during idle. With the default
> med_power_with_dipm policy the link goes down (SStatus 1 SControl 300)
> and does not recover, forcing the filesystem read-only. Forcing
> max_performance keeps the link stable across prolonged idle.
>
> Add a NOLPM quirk so link power management is disabled for this drive
> specifically, leaving it intact for other devices on the host.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Bryam Vargas <hexlabsecurity@proton.me>
Applied to for-7.2-fixes. Thanks !
--
Damien Le Moal
Western Digital Research
prev parent reply other threads:[~2026-06-25 1:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-20 2:54 [PATCH] ata: libata-core: Add NOLPM quirk for PNY CS900 1TB SSD Bryam Vargas via B4 Relay
2026-06-22 11:21 ` Niklas Cassel
2026-06-25 1:03 ` Damien Le Moal [this message]
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