From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>,
bhelgaas@google.com
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Manivannan Sadhasivam <mani@kernel.org>
Subject: Re: [PATCH v2] PCI: Add quirk to disable ASPM L1 for Sandisk SN740 NVMe SSDs
Date: Mon, 24 Nov 2025 12:42:42 +0100 [thread overview]
Message-ID: <31bbe640-b1ea-454b-9c9c-ed013022f07c@oss.qualcomm.com> (raw)
In-Reply-To: <20251120161253.189580-1-mani@kernel.org>
On 11/20/25 5:12 PM, Manivannan Sadhasivam wrote:
> The Sandisk SN740 NVMe SSDs cause below AER errors on the upstream Root
> Port of PCIe controller in Microsoft Surface Laptop 7, when ASPM L1 is
> enabled:
>
> pcieport 0006:00:00.0: AER: Correctable error message received from 0006:01:00.0
> nvme 0006:01:00.0: PCIe Bus Error: severity=Correctable, type=Physical Layer, (Receiver ID)
> nvme 0006:01:00.0: device [15b7:5015] error status/mask=00000001/0000e000
> nvme 0006:01:00.0: [ 0] RxErr
>
> Hence, add a quirk to disable L1 by removing the ASPM_L1 CAP for this SSD.
>
> Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
> ---
This revision also works for me, thank you
Tested-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> # X1E80100 Romulus
Konrad
next prev parent reply other threads:[~2025-11-24 11:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 16:12 Manivannan Sadhasivam
2025-11-24 11:42 ` Konrad Dybcio [this message]
2025-11-24 23:53 ` Bjorn Helgaas
2025-11-25 5:21 ` Manivannan Sadhasivam
2025-11-25 15:30 ` Alexey Bogoslavsky
2025-11-27 18:41 ` Konrad Dybcio
2025-11-27 18:40 ` Konrad Dybcio
2025-12-01 6:48 ` Val Packett
2025-12-01 10:37 ` Manivannan Sadhasivam
2025-12-04 12:51 ` Konrad Dybcio
2025-12-04 21:28 ` Val Packett
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