Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-25 Thread Cristian Rodríguez
El 24-09-2018 a las 13:30, Andrei Borzenkov escribió: This process is spawned as special kernel thread, even though it is otherwise normal user process. WUT ? So how is this new kind of task supposed to be handled by userspace ? looks like a kernel bug to me.

Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-24 Thread Lennart Poettering
On Mo, 24.09.18 20:17, Andrei Borzenkov (arvidj...@gmail.com) wrote: > > I am sorry, what? Are you saying there's now a third kind of task? > > real kernel threads, real userspace processes, and weird shit running > > kernel code that in turn runs userspace supplied programs, and all > > that

Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-24 Thread Andrei Borzenkov
24.09.2018 19:52, Lennart Poettering пишет: > On Mo, 24.09.18 19:30, Andrei Borzenkov (arvidj...@gmail.com) wrote: > >> 24.09.2018 16:20, Lennart Poettering пишет: >>> On So, 23.09.18 10:38, Andrei Borzenkov (arvidj...@gmail.com) wrote: >>> Dracut /shutdown script first tries to kill all

Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-24 Thread Lennart Poettering
On Mo, 24.09.18 19:30, Andrei Borzenkov (arvidj...@gmail.com) wrote: > 24.09.2018 16:20, Lennart Poettering пишет: > > On So, 23.09.18 10:38, Andrei Borzenkov (arvidj...@gmail.com) wrote: > > > >> Dracut /shutdown script first tries to kill all processes still running > >> off old root.

Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-24 Thread Olivier Brunel
On Mon, 24 Sep 2018 15:20:47 +0200 Lennart Poettering wrote: > On So, 23.09.18 10:38, Andrei Borzenkov (arvidj...@gmail.com) wrote: > > > Dracut /shutdown script first tries to kill all processes still > > running off old root. Unfortunately this fails for special user > > process that runs

Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-24 Thread Andrei Borzenkov
24.09.2018 16:20, Lennart Poettering пишет: > On So, 23.09.18 10:38, Andrei Borzenkov (arvidj...@gmail.com) wrote: > >> Dracut /shutdown script first tries to kill all processes still running >> off old root. Unfortunately this fails for special user process that >> runs bpfilter because it does

Re: [systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-24 Thread Lennart Poettering
On So, 23.09.18 10:38, Andrei Borzenkov (arvidj...@gmail.com) wrote: > Dracut /shutdown script first tries to kill all processes still running > off old root. Unfortunately this fails for special user process that > runs bpfilter because it does not include reference to /oldroot in > places where

[systemd-devel] bpfilter blocks root unmount during shutdown

2018-09-23 Thread Andrei Borzenkov
Dracut /shutdown script first tries to kill all processes still running off old root. Unfortunately this fails for special user process that runs bpfilter because it does not include reference to /oldroot in places where dracut looks for in kilall_proc_mountpoint() 10:~ # ps -ef | fgrep '[none]'