From: Bjorn Helgaas <helgaas@kernel.org>
To: linux-pci@vger.kernel.org
Cc: Frederick Zhang <frederick888@tsundere.moe>,
Rajat Khandelwal <rajat.khandelwal@linux.intel.com>,
Paul Menzel <pmenzel@molgen.mpg.de>,
linux-kernel@vger.kernel.org
Subject: [Bug 216863] ThinkPad X1 Extreme Gen 5: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) after resuming from sleep
Date: Mon, 9 Jan 2023 19:26:20 -0600 [thread overview]
Message-ID: <20230110012620.GA1460882@bhelgaas> (raw)
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.
next reply other threads:[~2023-01-10 1:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 1:26 Bjorn Helgaas [this message]
2023-01-10 7:13 ` Paul Menzel
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