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SubjectCommit *driver core: emit uevents when device is bound to a driver* causes regression
Date
Dear Linux folks,


Commit 1455cf8 (driver core: emit uevents when device is bound to a
driver) [1], introduced in Linux 4.14-rc1, causes a regression in user
space.

After disconnecting USB devices, they are still shown as plugged in [2][3].

> I seem to be having a similar issue, but with an iPhone X using USB
> to provide internet access. Even after the phone is disconnected, it
> still shows up as "loaded active plugged". The only way to fix this
> is to reboot or use a different USB port.

`git bisect` shows that commit 1455cf8 (driver core: emit uevents when
device is bound to a driver) is at fault [4].

As user space should not break with newer Linux kernels, do you know
what to do about that or can you think of a fix?


Kind regards,

Paul


[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1455cf8dbfd06aa7651dcfccbadb7a093944ca65
[2] https://github.com/systemd/systemd/issues/7587
[3] https://bugs.debian.org/883425
[4] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=883425#68

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