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# ./uclogic-probe 6 41
M 55 00 47 00 54 00 41 00 42 00 4C 00 45 00 54 00
P 34 00 20 00 69 00 6E 00 63 00 68 00 20 00 50 00 65 00 6E 00 54 00 61 00 62 00 6C 00 65 00 74 00
S 64 0E 03 B0 27 C4 1D 06 00 FF 1F EC 09 00 00
S 65 04 03 00 67
S 6E 0B 03 00 30 00 03 08 01 00 00 00
S 79 10 03 20 20 20 20 20 20 20 20 20 20 20 20 20 20
S 7A 08 03 00 00 00 00 00 00
S 7B 0C 03 48 00 4B 00 20 00 4F 00 6E 00
Failed to get string descriptor 0xC8: Input/Output Error
Once uclogic-probe tries to get 0xC8 descriptor from XP-PEN G430S_B, it makes the device change USB id to 28bd:1227 and stop working. The device LED is lit up constantly after that and it doesn't send anything even when the pen is approaching.
The text was updated successfully, but these errors were encountered:
To note: This also happens to XP-Pen CT640 but blinks when sudo uclogic-probe 3 13 | uclogic-decode is executed. Same error as above.
sudo uclogic-probe 3 13 | uclogic-decode output:
| Manufacturer: UGTABLET
| Product: 6 inch PenTablet
64 | Params block #1: ??????
| Max X: 31998
| Max Y: 19994
| Max pressure: 8191
| Resolution: 5080
|
79 | Internal model: ???????
Failed to get string descriptor 0xC8: Input/Output Error
7b | Buttons status: HK On
sudo usbhid-dump -m 28bd:0931 -e stream output:
Starting dumping interrupt transfer stream
with 1 minute timeout.
003:013:000:Device was disconnected
003:013:001:Device was disconnected
003:013:002:Device was disconnected
No more interfaces to dump
003:013:002:Failed to release: No such device (it may have been disconnected)
003:013:002:Failed to attach to the kernel driver: No such device (it may have been disconnected)
003:013:001:Failed to release: No such device (it may have been disconnected)
003:013:001:Failed to attach to the kernel driver: No such device (it may have been disconnected)
003:013:000:Failed to release: No such device (it may have been disconnected)
003:013:000:Failed to attach to the kernel driver: No such device (it may have been disconnected)
lsusb output:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 1919:1919 USB Receiver USB Receiver
Bus 003 Device 003: ID 04f2:b725 Chicony Electronics Co., Ltd Integrated Camera
Bus 003 Device 005: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560 Jefferson Peak (JfP)
Bus 003 Device 015: ID 28bd:0931 XP-Pen 6 inch PenTablet
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
This issue is mentioned in
DIGImend/digimend-kernel-drivers#388
Once uclogic-probe tries to get 0xC8 descriptor from XP-PEN G430S_B, it makes the device change USB id to 28bd:1227 and stop working. The device LED is lit up constantly after that and it doesn't send anything even when the pen is approaching.
The text was updated successfully, but these errors were encountered: