On Sun, Feb 27, 2022 at 02:34:29AM +0000, bugzilla-daemon@xxxxxxxxxx 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@xxxxxxxxxxx > 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
