Opened 14 months ago
Last modified 14 months ago
#21873 new defect
ALFA AWUS036AXM usb wifi adapter generating xhci_hcd transfer error
Reported by: | culliard | Owned by: | |
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Component: | other | Version: | VirtualBox-7.0.10 |
Keywords: | Cc: | ||
Guest type: | Linux | Host type: | Windows |
Description (last modified by )
Setup:
- Ubuntu 22.04 (kernel 6.3.5) guest running on VirtualBox VM
- Windows 10, or 11 Host (also on MacOS Big Sur)
- ALFA AWUS036AXM (Mediatek MT7921aun chipset) connected via USB 3.0 (xHCI) controller.
VM Setup:
- 1 GB RAM and 2x CPUs
- Paravirtualisation set to 'Minimal' as I found to be more stable
The VM detects the Wifi adapter fine
$ lsusb Bus 002 Device 012: ID 0e8d:7961 MediaTek Inc. Wireless_Device Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
When I run airodump-ng, it does work, however there are many errors being generated identical to:
$ dmesg | grep xhci [44519.918798] xhci_hcd 0000:00:0c.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 8 comp_code 13 [44519.918858] xhci_hcd 0000:00:0c.0: Looking for event-dma 00000000160e5bb0 trb-start 00000000160e5bc0 trb-end 00000000160e5bf0 seg-start 00000000160e5000 seg-end 00000000160e5ff0
The same happens on the latest test build 7.0.x revision 159409.
If I use another ALFA adapter, AWUS036AC (with aircrack driver) then there are no errors
This does not occur on a bare metal install of Ubuntu 22.04.
Machine setup and Logs attached
Appreciate any suggestions of how to debug or what to try.
Thanks.
Change History (3)
comment:1 by , 14 months ago
comment:2 by , 14 months ago
Description: | modified (diff) |
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comment:3 by , 14 months ago
Description: | modified (diff) |
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Unfortunately can't seem to attach files - get an error 'The site can't be reached'