Hi, I have also issues with USB3 on my Debian 10 with kernel 5.10.0-0.bpo.5-amd64 which is not appearing when using USB2 port:
Aug 6 13:20:14 media-server kernel: [ 964.069355] scsi host17: uas_eh_device_reset_handler start Aug 6 13:20:14 media-server kernel: [ 964.197532] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Aug 6 13:20:14 media-server kernel: [ 964.219053] scsi host17: uas_eh_device_reset_handler success Aug 6 13:20:18 media-server kernel: [ 968.137601] task:sync state:D stack: 0 pid:12237 ppid: 11291 flags:0x00004324 Aug 6 13:20:18 media-server kernel: [ 968.137607] Call Trace: Aug 6 13:20:18 media-server kernel: [ 968.137621] __schedule+0x2be/0x770 Aug 6 13:20:18 media-server kernel: [ 968.137630] schedule+0x3c/0xa0 Aug 6 13:20:18 media-server kernel: [ 968.137635] io_schedule+0x12/0x40 Aug 6 13:20:18 media-server kernel: [ 968.137644] wait_on_page_bit+0x127/0x230 Aug 6 13:20:18 media-server kernel: [ 968.137651] ? __page_cache_alloc+0x80/0x80 Aug 6 13:20:18 media-server kernel: [ 968.137657] wait_on_page_writeback+0x25/0x70 Aug 6 13:20:18 media-server kernel: [ 968.137663] __filemap_fdatawait_range+0x89/0xf0 Aug 6 13:20:18 media-server kernel: [ 968.137673] ? sync_inodes_one_sb+0x20/0x20 Aug 6 13:20:18 media-server kernel: [ 968.137679] filemap_fdatawait_keep_errors+0x1a/0x40 Aug 6 13:20:18 media-server kernel: [ 968.137684] iterate_bdevs+0xad/0x150 Aug 6 13:20:18 media-server kernel: [ 968.137691] ksys_sync+0x7c/0xb0 Aug 6 13:20:18 media-server kernel: [ 968.137697] __do_sys_sync+0xa/0x10 Aug 6 13:20:18 media-server kernel: [ 968.137704] do_syscall_64+0x33/0x80 Aug 6 13:20:18 media-server kernel: [ 968.137709] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Aug 6 13:20:18 media-server kernel: [ 968.137714] RIP: 0033:0x7fc4ec0529aa Aug 6 13:20:18 media-server kernel: [ 968.137717] RSP: 002b:00007ffcddf49048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 Aug 6 13:20:18 media-server kernel: [ 968.137723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4ec0529aa Aug 6 13:20:18 media-server kernel: [ 968.137725] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00000000a8002000 Aug 6 13:20:18 media-server kernel: [ 968.137728] RBP: 0000000000000000 R08: 0000555ba9703dcf R09: 00007ffcddf4afe2 Aug 6 13:20:18 media-server kernel: [ 968.137730] R10: 00007fc4ec01a201 R11: 0000000000000246 R12: 0000000000000001 Aug 6 13:20:18 media-server kernel: [ 968.137733] R13: 0000000000000001 R14: 00007ffcddf49158 R15: 0000000000000000 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1749961/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
