[Bug 1749961]

On Wed, Jan 15, 2025 at 08:28:35PM +0000, bugzilla-daemon@kernel.org wrote:
> Denotes this PCI controller is parent of the USB #2 hub.

The controller where I see it is:

magigamix:~> lspci -k -nn | grep -B3 xhci
00:14.0 USB controller [0c03]: Intel Corporation Tiger Lake-H USB 3.2 Gen 2x1 xHCI Host Controller [8086:43ed] (rev 11)
DeviceName: Onboard - Other
Subsystem: Gigabyte Technology Co., Ltd Tiger Lake-H USB 3.2 Gen 2x1 xHCI Host Controller [1458:5007]
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci

I think this is an older device, i.e. not supporting the latest
superspeed, red plugs.

Someone (you) just reported something with suspend/resume that might
not work as intended. My system never suspends/sleeps. It is simply ON
24/7. It now has an uptime of 2 months, but if the display wouldn't
crash every now and then, it would have had an uptime on the order of
2 years.

Roger.

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https://bugs.launchpad.net/bugs/1749961

Title:
xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1
Controller

Status in Linux:
Confirmed
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Trusty:
Won't Fix
Status in linux source package in Xenial:
Confirmed
Status in linux source package in Bionic:
Confirmed
Status in linux source package in Focal:
Confirmed
Status in linux package in Debian:
Confirmed

Bug description:
It was observed that while trying to use a 4K USB webcam connected to
USB port provided by ASMedia ASM1142 USB 3.1 Controller, the webcam
does not work and kernel log shows the following messages:

[431.928016] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13
[431.928021] xhci_hcd 0000:12:00.0: Looking for event-dma 0000003f3330e020 trb-start 0000003f3330e000 trb-end 0000003f3330e000 seg-start 0000003f3330e000 seg-end 0000003f3330eff0
[431.928024] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13
[431.928026] xhci_hcd 0000:12:00.0: Looking for event-dma 0000003f3330e030 trb-start 0000003f3330e000 trb-end 0000003f3330e000 seg-start 0000003f3330e000 seg-end 0000003f3330eff0
[431.928027] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13
[431.928029] xhci_hcd 0000:12:00.0: Looking for event-dma 0000003f3330e050 trb-start 0000003f3330e000 trb-end 0000003f3330e000 seg-start 0000003f3330e000 seg-end 0000003f3330eff0
[431.928386] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13

A similar issue was already reported on Launchpad:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1667750

The fix to this issue seems to be the following patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9da5a109

Tests in our scenario with this patch proved still broken. Our next
approach is to modify the patch a bit and re-test.

This LP will be used to document our progress in the investigation.

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