Hi,

I got a Huawei E3372 LTE USB Stick and plugged it on my T460s running OpenBSD 6.8-stable/amd64. I tried all 3 USB ports and they all act the same way : the stick loops attaching/detaching forever. I also tried current (OpenBSD 6.8-current (GENERIC.MP) #308: Wed Feb 3 20:49:28 MST 2021) but it behaves the same.

Feb 4 18:35:33 ThinkBSD /bsd: umsm0 at uhub0 port 3 configuration 1 interface 0 "HUAWEI_MOBILE HUAWEI_MOBILE" rev 2.00/1.02 addr 5
Feb  4 18:35:33 ThinkBSD /bsd: umsm0 detached
Feb 4 18:35:34 ThinkBSD /bsd: cdce0 at uhub0 port 3 configuration 1 interface 0 "HUAWEI_MOBILE HUAWEI_MOBILE" rev 2.00/1.02 addr 5
Feb  4 18:35:34 ThinkBSD /bsd: cdce0: address 00:1e:10:1f:00:00
Feb  4 18:35:36 ThinkBSD /bsd: cdce0 detached
Feb 4 18:35:37 ThinkBSD /bsd: umsm0 at uhub0 port 3 configuration 1 interface 0 "HUAWEI_MOBILE HUAWEI_MOBILE" rev 2.00/1.02 addr 5
Feb  4 18:35:37 ThinkBSD /bsd: umsm0 detached
Feb 4 18:35:38 ThinkBSD /bsd: cdce0 at uhub0 port 3 configuration 1 interface 0 "HUAWEI_MOBILE HUAWEI_MOBILE" rev 2.00/1.02 addr 5
Feb  4 18:35:38 ThinkBSD /bsd: cdce0: address 00:1e:10:1f:00:00
Feb  4 18:35:40 ThinkBSD /bsd: cdce0 detached
Feb 4 18:35:41 ThinkBSD /bsd: umsm0 at uhub0 port 3 configuration 1 interface 0 "HUAWEI_MOBILE HUAWEI_MOBILE" rev 2.00/1.02 addr 5
Feb  4 18:35:41 ThinkBSD /bsd: umsm0 detached

A classical storage USB stick works perfectly so I don't expect the USB ports to be faulty.

I expected the key to attach to umsm(4) as it is referenced in the man page ; not to cdce0.

Here's some more USB information:
# usbdevs -vvvv
Controller /dev/usb0:
addr 01: 8086:0000 Intel, xHCI root hub
         super speed, self powered, config 1, rev 1.00
         driver: uhub0
         port 01: 0001.02a0 power Rx.detect
         port 02: 0000.02a0 power Rx.detect
         port 03: 0001.02a0 power Rx.detect
         port 04: 0000.0503 connect enabled recovery
         port 05: 0000.02a0 power Rx.detect
         port 06: 0000.02a0 power Rx.detect
         port 07: 0000.0103 connect enabled recovery
         port 08: 0000.0503 connect enabled recovery
         port 09: 0000.02a0 power Rx.detect
         port 10: 0000.0103 connect enabled recovery
         port 11: 0000.02a0 power Rx.detect
         port 12: 0000.02a0 power Rx.detect
         port 13: 0000.02a0 power Rx.detect
         port 14: 0000.02a0 power Rx.detect
         port 15: 0000.02a0 power Rx.detect
         port 16: 0000.02a0 power Rx.detect
addr 02: 8087:0a2b Intel, Bluetooth
         full speed, self powered, config 1, rev 0.01
         driver: ugen0
addr 03: 04f2:b52c Chicony Electronics Co.,Ltd., Integrated Camera
         high speed, power 500 mA, config 1, rev 0.29, iSerial 0001
         driver: uvideo0
addr 04: 1fd2:6007 Melfas, LGDisplay Incell Touch
         full speed, power 100 mA, config 1, rev 1.00
         driver: uhidev0
         driver: uhidev1
addr 05: 12d1:14db HUAWEI_MOBILE, HUAWEI_MOBILE
         high speed, power 2 mA, config 1, rev 1.02
         driver: cdce0

Any ideas?

Thanks,
Jo

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