[systemd-devel] Failed to determine supported controllers: No such process

[Reindl Harald]

Am 21.01.20 um 17:17 schrieb Lennart Poettering:
> On Di, 21.01.20 17:14, Reindl Harald (h.reindl at thelounge.net) wrote:
> 
>>>> i was already considering "hidepid" as the root cause
>>>> systemd-243.5-1.fc31.x86_64 other than
>>>> systemd-241-12.git323cdf4.fc30.x86_64 can no longer deal with
>>>
>>> hidepid= is broken. We don't support that, sorry. Various components
>>> can't deal with it.
>>>
>>> We'd like to support this, but the way it is defined now cannot work
>>> for general purpose OS.
>>>
>>> There was work on fixing it in the kernel:
>>>
>>> https://lwn.net/Articles/738597/
>>>
>>> That patch set got discussed, then forgotten, picked up again and
>>> forgotten. it's a neverending story. If it eventualls gets merged we
>>> can happily support it in systemd.
>>
>> don't get me wrong but after *years* using it on each and every machine
>> from Fedora desktops over Feodra servers as well as with CentOS6/7 you
>> can't come up with that when systemd got updated in F31 and point
>> somewhere else
> 
> Well, maybe you didn't notice how broken it is, but I know it's
> broken.
> 
> Either way, check if hidepid=0 makes things work for you
well, it's not that easy because after change it from 2 to 1 the newly
upgraed VM is *toast* meaing no network and even TTY login times out

well, after hunt some food i will try to mount the system vdisk on a
differnt guest and comment out that block :-(