It seems unlikely that a linux-firmware update would be responsible for
all the symptoms you've described since it provides nothing which should
be related to recognizing USB devices. I can help you debug further but
only if you're willing to run 15.10 on your machine. So for now I'm
going to mark this bug invalid; if you change your mind about running
15.10 please reopen this bug.
** Changed in: linux-firmware (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1513930
Title:
linux-firmware breaks support for Lenovo Z580
Status in linux-firmware package in Ubuntu:
Invalid
Bug description:
The latest update (2015.11.06) for Ubuntu 15.10 linux-firmware breaks
support for the Lenovo Z580 laptop. USB devices stop being recognized
and the network card/chipset cease functioning, preventing you from
getting online. I've had to reinstall Ubuntu 15.04 in order to get
back to a working state, and will no longer consider upgrading to
15.10 again until I am forced to do so by the 15.04 EOL.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1513930/+subscriptions
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