Bug#774020: systemd: black screen with backlight on start. rescue mode plus Ctrl-D allows normal boot

[allan]

Hello, Michael -

Yes, I was able to SSH into the machine from a Windows box on the same
subnet.  The mask configuration above didn't help, I'm afraid.

Thanks -

On Sat, Dec 27, 2014 at 4:56 PM, Michael Biebl <biebl at debian.org> wrote:

> control: tags -1 moreinfo
>
> Am 27.12.2014 um 14:58 schrieb allan grossman:
> > Package: systemd
> > Version: 215-8
> > Severity: critical
> > Justification: breaks the whole system
> >
> >    * What led up to the situation?
> >
> > Unknown.  First noticed the problem on reboot a couple of days ago.
> >
> >    * What exactly did you do (or not do) that was effective (or
> >      ineffective)?
> >
> > Using grub option to boot into recovery then pressing Ctrl-D causes the
> machine
> > to boot normally.
> >
> >    * What was the outcome of this action?
> >
> > Ctrl-D from rescue mode results in a normal boot.
> >
> >    * What outcome did you expect instead?
> >
> > Expected the system to boot without starting rescue mode first.
> >
>
> Is the system completely locked up or can you e.g. access it via SSH?
> What kind of hardware is this? If it's a laptop, can you attach an
> external monitor to find out if it's a graphics issue / backlight issue.
>
>
> Does the following help:
> systemctl mask systemd-backlight at backlight:nv_backlight.service
> systemd-backlight at backlight:acpi_video0.service
>
> (don't forget to run systemctl unmask for the above two services after
> you've completed the tests).
>
>
>
>
> --
> Why is it that all of the instruments seeking intelligent life in the
> universe are pointed away from Earth?
>
>
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