* Re: [Bug 215644] New: "PCIe Bus Error: severity=Corrected, type=Data Link Layer" flood
[not found] <bug-215644-41252@https.bugzilla.kernel.org/>
@ 2022-02-28 18:15 ` Bjorn Helgaas
0 siblings, 0 replies; only message in thread
From: Bjorn Helgaas @ 2022-02-28 18:15 UTC (permalink / raw)
To: linux-pci; +Cc: Zhihao Wang
On Sun, Feb 27, 2022 at 02:34:29AM +0000, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=215644
>
> Bug ID: 215644
> Summary: "PCIe Bus Error: severity=Corrected, type=Data Link
> Layer" flood
> Product: Drivers
> Kernel Version: 5.13.0-30-generic(Ubuntu 20.04 LTS)
> Hardware: Intel
> Priority: P1
> Reporter: wangzhihao9@hotmail.com
> Regression: No
>
> [36418.907739] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Receiver ID)
> [36418.907759] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00000080/00002000
> [36418.907779] pcieport 0000:00:1c.4: [ 7] BadDLLP
> [36422.383718] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4
> [36422.383758] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID)
> [36422.383770] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00001000/00002000
> [36422.383785] pcieport 0000:00:1c.4: [12] Timeout
> [36423.383999] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4
> [36423.384044] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID)
> [36423.384057] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00001000/00002000
> [36423.384073] pcieport 0000:00:1c.4: [12] Timeout
> [36423.384099] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4
> [36423.384137] pcieport 0000:00:1c.4: AER: can't find device of ID00e4
> [36423.384145] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4
> [36423.384167] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID)
> [36423.384177] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00001000/00002000
> [36423.384188] pcieport 0000:00:1c.4: [12] Timeout
> [36423.384218] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4
> [36423.384244] pcieport 0000:00:1c.4: AER: can't find device of ID00e4
> [36425.385279] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4
>
> The Device is 00:1c.0 PCI bridge: Intel Corporation Device 02b8 (rev f0)
> -- 02:00.0 3D controller: NVIDIA Corporation GP108M [GeForce MX250] (rev a1)
>
> It happens just after I open the ASPM of the video card to make CPU to achieve
> the Package pc8 state for Power Saving. Normally only pc2.
>
> Hewlett Packard disabled the ASPM of Video Card in the BIOS defaultly.
Thanks for the report! I'm ccing it to the linux-pci since the
Bugzilla doesn't get much visibility.
How do you enable ASPM?
Please collect the complete dmesg log and "sudo lspci -vv" output
(before enabling ASPM, and also after if possible) and attach them to
the bugzilla.
Bjorn
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