Rpi4 issue: Unexpected XHCI event TRB, skipping... (3af546a0 00000004 01000000 01008401)

[Ajay Kaher]

On 18-Mar-2023, at 12:39 AM, Ajay Kaher <akaher at vmware.com<mailto:akaher at vmware.com>> wrote:


Hi All,

Randomly observed following issue on RPi4 board, logs:

   U-Boot 2023.01 (Mar 17 2023 - 12:01:18 +0000)
   DRAM:  948 MiB (effective 7.9 GiB)
   RPI 4 Model B (0xd03114)
   Core:  211 devices, 17 uclasses, devicetree: board
   MMC:   mmcnr at 7e300000: 1, mmc at 7e340000: 0
   Loading Environment from FAT... OK
   In:    serial
   Out:   vidconsole
   Err:   vidconsole
   Net:   eth0: ethernet at 7d580000
   PCIe BRCM: link up, 5.0 Gbps x1 (SSC)
   starting USB...
   Bus xhci_pci: Register 5000420 NbrPorts 5
   Starting the controller
   USB XHCI 1.00
-->  scanning bus xhci_pci for devices... Unexpected XHCI event TRB, skipping... (3af546a0 00000004 01000000 01008401)  <---
-->  BUG at drivers/usb/host/xhci-ring.c:530/abort_td()!  <---
   BUG!
   resetting ...


Able to boot the RPi4 if I will delete uboot.env, logs:

   U-Boot 2023.01 (Mar 17 2023 - 12:01:18 +0000)
   DRAM:  948 MiB (effective 7.9 GiB)
   RPI 4 Model B (0xd03114)
   Core:  211 devices, 17 uclasses, devicetree: board
   MMC:   mmcnr at 7e300000: 1, mmc at 7e340000: 0
   Loading Environment from FAT... Unable to read "uboot.env" from mmc0:1...
   In:    serial
   Out:   vidconsole
   Err:   vidconsole
   Net:   eth0: ethernet at 7d580000
   PCIe BRCM: link up, 5.0 Gbps x1 (SSC)
   starting USB...
   Bus xhci_pci: Register 5000420 NbrPorts 5
   Starting the controller
   USB XHCI 1.00
   scanning bus xhci_pci for devices... 3 USB Device(s) found
          scanning usb for storage devices... 0 Storage Device(s) found
   Hit any key to stop autoboot:  0
   Saving Environment to FAT... OK
   switch to partitions #0, OK
   mmc0 is current device
   Scanning mmc 0:1...
   Card did not respond to voltage select! : -110
   No EFI system partition

Is it known issue?


This is already fixed by:
https://github.com/u-boot/u-boot/commit/ba1efb3d2494e8ceb0ff405642f44a955f8d8e1b

Thanks Mark.

- Ajay