Re: Can't log in: blank login screen after reconfigure

[<znavko@tutanota.com>]

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Hello! I think always you get trouble after update need to roll-back. Here I've got the solution http://lists.gnu.org/archive/html/bug-guix/2018-09/msg00153.html <http://lists.gnu.org/archive/html/bug-guix/2018-09/msg00153.html>
Try to boot with other options, choosing previous kernel and then roll-back.

20. Oct 2018 22:21 by cmmarusich@gmail.com <mailto:cmmarusich@gmail.com>:


> Hi,
>
> I recently ran "guix pull" and then "guix system reconfigure" on a
> GuixSD installation in a VirtualBox VM.  Since doing that, I can't log
> in.  While booting, everything proceeds as usual, with normal output,
> until the SLiM login screen is supposed to appear.  But instead of the
> SLiM login screen, I get a blank screen with a small white cursor in the
> upper left, and I can't log in.
>
> Has anyone seen anything like this in the past?  Here are some
> observations I've made about the situation:
>
> * GuixSD shuts down normally if I issue the "shutdown signal" from
>   VirtualBox.  This indicates the OS is actually still running.
>
> * I waited over 8 hours, and the login screen did not appear.
>
> * I tried blind-typing my user name and password, but the blank screen
>   remained.
>
> * When I boot from the previous system generation, there is no problem.
>
> * When I replace SLiM with SDDM in my OS configuration and reconfigure,
>   the same problem occurs.
>
> * However, one time only, while trying to boot using SDDM instead of
>   SLiM, I got to the SDDM login screen.  But when I typed in my username
>   and password and hit enter, I received the same blank screen as before
>   and ultimately could not log in.  Every other time I've booted the VM,
>   I didn't even get to the SDDM login screen, so I don't know why I was
>   able to reach the login screen that one time.
>
> * I tried pressing control+alt+F2 etc. to switch to different virtual
>   tty, but it didn't work.  The blank screen remained.
>
> * I examined various system logs, but I could not find anything that
>   jumped out at me as causing the problem.  It's entirely possible I
>   missed something important, though; I just checked a few places.
>
> There is more that I could try - for example, I could try starting an
> ssh server in my VM and logging in that way.  I could also try drilling
> deeper into the X server logs, since that seems like the obvious next
> step, since the problem occurs for both SDDM and SLiM.  I could also try
> reinstalling GuixSD in a new VM.  But I haven't tried any of this yet
> due to lack of time.
>
> If anyone has any advice or has seen this before, please let me know.
> Thank you!
>
> -- 
> Chris

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