MC7455 not listed as usb device anymore after reboot

Thomas Lang thomas.lang at tactilo.eu
Fri Mar 17 20:02:33 UTC 2017


Hi all,
perhaps you have seen this bug before. I’m using the MC7455 with a linux system after normal power cycle (unplugged power) the mc 7455 can be found  with lsusb:



go at ubuntu:~$ lsusb

Bus 003 Device 003: ID 1199:9071 Sierra Wireless, Inc.

Bus 003 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.

Bus 003 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 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

If I do a reboot, the mc7455 is not listed anymore.

Any ideas what might be the problem?

Kind regards,
Thomas
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