Control: tags -1 moreinfo unreproducible Hi
Am 02.03.2016 um 16:24 schrieb detbe: > I upgraded a several machnies from wheezy to jessie. After the upgrade the > first boot was successfull, but sometimes later the boot hangs on "A start > job is running..". Which job exactly was it waiting for? For how long? Can you follow the instructions at [1] and enable a debug shell on tty9. Boot with systemd.log_level=debug switch to tty9, store the output of systemctl list-jobs and journalctl -alb and attach those files to the but report. > I try to find what systemd processes running on infinite cycle. Found the > systemd-udevd.service, systemd-udev-settle.service, lvm2-activation service. > I suspected that the lvm2 service started before the udev process finish. I > try to find the right bootup order to this services: systemd.udevd.service -> > systemd-udev-settle.service -> lvm2-activation.service . Every process have > to finish, before the next one started. > Then i edit this services "Before=" lines to force the successfull exit > before the next start. > After many successful boot, finally i try to find out what the exactly > missing option. (Only one needed) > > Here is the diff: (working dir /lib/systemd/system/) > > diff --git a/systemd-udevd.service b/systemd-udevd.service > index 51497ce..eea7178 100644 > --- a/systemd-udevd.service > +++ b/systemd-udevd.service > @@ -11,7 +11,7 @@ Documentation=man:systemd-udevd.service(8) man:udev(7) > DefaultDependencies=no > Wants=systemd-udevd-control.socket systemd-udevd-kernel.socket > After=systemd-udevd-control.socket systemd-udevd-kernel.socket > systemd-udev-hwdb-update.service systemd-sysusers.service > -Before=sysinit.target > +Before=sysinit.target systemd-udev-settle.service That ordering should not be necessary. systemd-udev-settle.service has After=systemd-udev-trigger.service which has After=systemd-udevd-kernel.socket systemd-udevd-control.socket [1] https://freedesktop.org/wiki/Software/systemd/Debugging/ -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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