Re: [Bug 216863] ThinkPad X1 Extreme Gen 5: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) after resuming from sleep

[Paul Menzel]

[Cc: +Mark]

Am 10.01.23 um 02:26 schrieb Bjorn Helgaas:
> 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.