https://bugzilla.kernel.org/show_bug.cgi?id=216863 Frederick reports: > I recently purchased a Thunderbolt 4 dock (CalDigit TS4) and started > having millions of these warnings in my logs after resuming from sleep. > I previously didn't have any Thunderbolt peripherals. The device is a > ThinkPad X1 Extreme Gen 5 (BIOS 1.12 N3JET28W, EC 1.08 N3JHT21W). > > Dec 29 18:51:05 FredArch systemd[1]: Starting System Suspend... > Dec 29 18:51:05 FredArch systemd-sleep[31007]: Entering sleep state 'suspend'... > Dec 29 18:51:05 FredArch kernel: PM: suspend entry (s2idle) > Dec 29 18:51:07 FredArch kernel: Filesystems sync: 1.566 seconds > Dec 29 18:52:30 FredArch kernel: Freezing user space processes ... (elapsed 0.001 seconds) done. > Dec 29 18:52:30 FredArch kernel: OOM killer disabled. > Dec 29 18:52:30 FredArch kernel: Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. > Dec 29 18:52:30 FredArch kernel: printk: Suspending console(s) (use no_console_suspend to debug) > Dec 29 18:52:30 FredArch kernel: ACPI: EC: interrupt blocked > Dec 29 18:52:30 FredArch kernel: ACPI: EC: interrupt unblocked > Dec 29 18:52:30 FredArch kernel: pcieport 0000:00:1d.0: AER: Multiple Corrected error received: 0000:21:01.0 > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: device [8086:1136] error status/mask=00001100/00002000 > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: [ 8] Rollover > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: [12] Timeout > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: AER: Error of this Agent is reported first > Dec 29 18:52:30 FredArch kernel: pcieport 0000:23:00.0: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) > Dec 29 18:52:30 FredArch kernel: pcieport 0000:23:00.0: device [8086:0b26] error status/mask=00001000/00002000 > Dec 29 18:52:30 FredArch kernel: pcieport 0000:23:00.0: [12] Timeout > Dec 29 18:52:30 FredArch kernel: pcieport 0000:00:1d.0: AER: Corrected error received: 0000:21:01.0 > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: device [8086:1136] error status/mask=00001100/00002000 > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: [ 8] Rollover > Dec 29 18:52:30 FredArch kernel: pcieport 0000:21:01.0: [12] Timeout And disabling ASPM seems to have some effect: > It happened every time after resuming from sleep. pcie_aspm=off solved > the issue for me. But also broke other stuff: > I just realised that pcie_aspm=off broke most of my dock's functions. I > still had Ethernet but wake-on-lan stopped working. The dock's > Thunderbolt ports, USB Type-A/C data ports, SD card slots all stopped > working too (no logs at all after plugging in things). > > Then I tested pcie_aspm.policy=performance. The dock started working > again but the warning logs were also back. > > Also tried applying quirk_disable_aspm_l0s_l1 on the Thunderbolt bridges > but unfortunately I still had the logs.
