[BRLTTY] strange behavior udev and systemd

[Dave Mielke]

[quoted lines by Alexander Epaneshnikov on 2020/11/23 at 10:55 +0300]

>ноя 23 10:33:14 brltty[492]: polkit_authority_check_authorization_sync error: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Unix process subject does 
>not have uid set

Another user has reported a similar problem. Can you confirm that it only
occurs when brltty isn't runing as root, i.e. that there's no problem when
brltty is running as root?

>what is the polkit used for?

It's one of brlapi's authentication methods that has the effect of allowing the
user at the console to use brlapi without a key file.

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