[systemd-devel] systemd-update-utmp fails

[Kay Sievers]

On Fri, May 13, 2011 at 15:28, Michael Olbrich <m.olbrich at pengutronix.de> wrote:
> On Fri, May 13, 2011 at 03:15:43PM +0200, Kay Sievers wrote:
>> On Fri, May 13, 2011 at 14:46, Michael Olbrich <m.olbrich at pengutronix.de> wrote:
>> > On Fri, May 13, 2011 at 01:42:55PM +0200, Kay Sievers wrote:
>> >> On Fri, May 13, 2011 at 11:53, Michael Olbrich <m.olbrich at pengutronix.de> wrote:
>> >> > systemd-update-utmp fails here like this:
>> >> >
>> >> > systemd-update-utmp[413]: Failed to write utmp record: No such file or directory
>> >> >
>> >> > I'm not sure why. /var/run/ is writable but for some reason /var/run/utmp
>> >> > is not created. If I touch /var/run/utmp before running systemd-update-utmp
>> >> > it works and /var/run/utmp is updated.
>> >> > I don't really know how this stuff works. Where is /var/run/utmp supposed
>> >> > to be created?
>> >>
>> >> # grep utmp /usr/lib/tmpfiles.d/systemd.conf
>> >> F /run/utmp 0664 root utmp -
>> >> f /var/log/wtmp 0664 root utmp -
>> >> f /var/log/btmp 0600 root utmp -
>> >
>> > Ah, I see. I have an old tmpfs entry for /var/run in my fstab. After
>> > removing that, it works as expected. Thanks.
>>
>> Ah, great! You should probably make the stuff in /var just links to
>> /run. Systemd will handle that fine.
>
> Arg, unfortunately that wasn't the problem. I'm not sure now, why it
> worked. The real issue is that systemd-tmpfiles-setup.service has:
>
> ConditionPathExists=/etc/tmpfiles.d
>
> I don't have /etc/tmpfiles.d, only /usr/lib/tmpfiles.d, so it's skipped.
> I think this should be:
>
> ConditionPathExists=|/etc/tmpfiles.d
> ConditionPathExists=|/run/tmpfiles.d
> ConditionPathExists=|/usr/lib/tmpfiles.d

Yeah, it should be fix in systemd-git since a while, I think.

Kay