16.04: Graphical login/desktop vanished?
Ralf Mardorf
silver.bullet at zoho.com
Mon Jul 25 18:18:06 UTC 2016
On Mon, 25 Jul 2016 15:59:06 +0200, Josef Wolf wrote:
>On Mon, Jul 25, 2016 at 02:05:22PM +0100, Colin Law wrote:
>> Josef, are you sure you did a clean install of 16.04, not an upgrade
>> or something?
>Absolutely. I always do clean installs, formatting the partitions.
Hi,
that's strange. I run do-release-upgrade from 15.10 to 16.04. On my
install it's the same as for Colin's install, IOW
it's /lib/systemd/system/lightdm.service. 16.04 still seems to be a
hybrid, since at least rtirq is /etc/init.d/rtirq. However, lightdm
needs to run and rtirq just set up one time the rt priorities and then
doesn't run anymore, so that rtirq exited is correct, but if lightdm
exits, it isn't.
I've got those packages installed:
[root at moonstudio weremouse]# dpkg -l lightdm* | grep ii
ii lightdm 1.18.2-0ubuntu1 amd64 Display Manager
ii lightdm-gtk-greeter 2.0.1-2ubuntu4 amd64 simple display manager (GTK+ greeter)
Consider to purge the lightdm package that you've got installed and
after that to reinstall those packages.
Regards,
Ralf
[root at moonstudio weremouse]# lsb_release -rc
Release: 16.04
Codename: xenial
[root at moonstudio weremouse]# systemctl status lightdm
● lightdm.service - Light Display Manager
Loaded: loaded (/lib/systemd/system/lightdm.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2016-07-25 20:01:43 CEST; 1min 26s ago
Docs: man:lightdm(1)
Process: 2250 ExecStartPre=/bin/sh -c [ "$(basename $(cat /etc/X11/default-display-manager 2>/dev/null))" = "lightdm" ] (cod
Main PID: 2257 (lightdm)
[snip]
[root at moonstudio weremouse]# systemctl status rtirq
● rtirq.service - LSB: Realtime IRQ thread tunning.
Loaded: loaded (/etc/init.d/rtirq; bad; vendor preset: enabled)
Active: active (exited) since Mon 2016-07-25 20:01:42 CEST; 2min 6s ago
Docs: man:systemd-sysv-generator(8)
Process: 2160 ExecStart=/etc/init.d/rtirq start (code=exited, status=0/SUCCESS)
Jul 25 20:01:41 moonstudio systemd[1]: Starting LSB: Realtime IRQ thread tunning....
Jul 25 20:01:42 moonstudio rtirq[2160]: Setting IRQ priorities: start [snd_hdsp] irq=18 pid=1482 prio=90: OK.
Jul 25 20:01:42 moonstudio systemd[1]: Started LSB: Realtime IRQ thread tunning..
[root at moonstudio weremouse]# /etc/init.d/rtirq status
PID CLS RTPRIO NI PRI %CPU STAT COMMAND
1482 FF 90 - 130 0.0 S irq/18-snd_hdsp
28 FF 50 - 90 0.0 S irq/9-acpi
80 FF 50 - 90 0.0 S irq/19-ehci_hcd
81 FF 50 - 90 0.0 S irq/16-ohci_hcd
82 FF 50 - 90 0.0 S irq/17-ohci_hcd
83 FF 50 - 90 0.0 S irq/18-ohci_hcd
84 FF 50 - 90 0.0 S irq/17-ohci_hcd
86 FF 50 - 90 0.0 S irq/18-ohci_hcd
87 FF 50 - 90 0.0 S irq/1-i8042
88 FF 50 - 90 0.0 S irq/8-rtc0
189 FF 50 - 90 0.2 S irq/22-0000:00:
273 FF 50 - 90 0.0 S irq/14-pata_ati
275 FF 50 - 90 0.0 S irq/15-pata_ati
302 FF 50 - 90 0.0 S irq/22-firewire
320 FF 50 - 90 0.0 S irq/27-radeon
1262 FF 50 - 90 0.0 S irq/7-parport0
2060 FF 50 - 90 0.0 S irq/26-enp3s0
3 TS - 0 19 0.1 S ksoftirqd/0
14 TS - 0 19 0.1 S ksoftirqd/1
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