[lubuntu-users] Booting into the dreaded black screen . . . pedal to the metal

Nio Wiklund nio.wiklund at gmail.com
Tue May 10 11:59:24 UTC 2016


Thanks, Peter, for this explanation

Best regards
Nio

Den 2016-05-10 kl. 09:13, skrev Peter Golis:
> Hello Nio,
>
> Part of email with information related to PPC (IBM PowerPC architecture
> used for example in ancient Apple machines) was for Fritz.
>
> So, do you had seen grub black and white screen? if yes, then you can
> select _/recovery mode/_ using arrow keys, and boot to text mode. Once
> done and you will see prompt press ENTER for maintenance. Just press
> enter, and you will see prompt /root at hostname#/ and you can check your
> video card type. It will be listed in output of command /lspci/. If that
> card is i8XX or i9XX, you can connect cable connection and follow
> commands apt update and apt full-upgrade to have new packages installed.
> If that card will be different, just write in response full line with
> your video adapter from /lspci/ command.
>
> Of course, there are also other posibilites how to enter
> recovery/maintenance mode, but not so much easy as to press escape and
> use arrow keys followed by enter.
>
> PS: Cmdline /text/ was only alias. Correct boot parameter for kernel was
> /vga=text/, with optional removal of aliases /silent/ and /splash/. But
> that was used only if grub had not prepared menu entry "_recovery mode_".
>
> ______________________________________________________________
>  > Od: Nio Wiklund <nio.wiklund at gmail.com>
>  > Komu: Peter Golis <golisp at centrum.sk>
>  > Dátum: 10.05.2016 08:38
>  > Predmet: Re: [lubuntu-users] Booting into the dreaded black screen .
> . . pedal
>  >
>
>  > CC: <Aere at dvorak-keyboards.com, este.el.paz at gmail.com,
> Lubuntu-users at lists.ubuntu.com>
>
> Hello Peter,
>
> When you wrote this mail to me, did you think of PC or PPC or both?
>
> I think too, that it should often work in text mode, but there are
> problems with systemd, that it works with either graphics mode or text
> mode. I found this link:
>
> http://ask.xmodulo.com/boot-into-command-line-ubuntu-debian.html
> ----------------------------------------------------------------
> The boot option 'text' does not work for me in newer systems.
>
> sudo nano /etc/default/grub
>
> Look for a line that starts with GRUB_CMDLINE_LINUX_DEFAULT,
> and comment out that line by prepending # sign.
> This will disable the initial splash screen, and enable verbose
> mode(i.e., showing the detailed booting procedure).
>
> Then change GRUB_CMDLINE_LINUX="" to:
>
> GRUB_CMDLINE_LINUX="text"
>
> Next, uncomment the line that says "#GRUB_TERMINAL=console".
>
> Save and update-grub
>
> -o-
>
> For systemd-enabled desktop only: If your desktop uses systemd
> (e.g., for Debian 8 or later or Ubuntu 15.04 or later), there is
> one additional step needed. That is to change the default target
> from "graphical" target to "multi-user" target. Skip this step
> if your desktop does not use systemd.
>
> $ sudo systemctl set-default multi-user.target
>
> You can always revert to desktop boot later by restoring GRUB config
> file and running:
> $ sudo systemctl set-default graphical.target
>
> At this point, your desktop should boot into the command line when you
> reboot it.
> ----------------------------------------------------------------
> Best regards
> Nio
>
> Den 2016-05-10 kl. 08:14, skrev Peter Golis:
>  > Hello Nio,
>  > Pres Escape key several times util GNU GRUB table will be shown. If that
>  > grub black and white table will be visible, you can install missing
>  > device driver in text mode. Yust confirm as video driver for old Intel
>  > graphic cards looks reanimated:
>  >
>  >
> http://packages.ubuntu.com/search?suite=all&section=all&arch=any&keywords=xserver-xorg-video-intel&searchon=names
>  >
>  > Hello Fritz,
>  > According to your deleted email, each of this email have appended
>  > signature of this mailing list. So, simply click on link which is on
>  > line 'Modify settings or unsubscribe at', locate second link
>  > 'Lubuntu-users Archives' and click on it. You will see simple table.
>  > Click on March 2016, view by date and fourth email sent by me will have
>  > that parameters which can enable hibernation and correct initialization
>  > of video adapter in Apple PPC machines. Once done, and you want to fix
>  > that, come to me and confirm if you are booting computer using your
>  > favorite grub or yaboot which is standard on PPC architecture. But you
>  > will need to provide also output of some commands which I had not seen
>  > from you even you was asked several times. Do you ever have Linux?
>  >
>  > Peter.
>  >
>  > ______________________________________________________________
>  >  > Od: Fritz Hudnut <este.el.paz at gmail.com>
>  >  > Komu: lubuntu user list <lubuntu-users at lists.ubuntu.com>,
>  >  > Dátum: 09.05.2016 22:02
>  >  > Predmet: [lubuntu-users] Booting into the dreaded black screen . . .
>  > pedal to the metal
>  >  >
>  >
>  >
>  >
>  >
>  >
>  >     On 05/09/2016 10:37 AM, Nio Wiklund wrote:
>  >      > If you have people affected by black screen, or no X starting,
> or no
>  >      > lightdm starting, with Intel card, could you advise them to
> install
>  >      > this package, reboot, and see if it's working (and report back) ?
>  >      >
>  >      > This should affect only fresh install, upgrade should be fine (as
>  >     this
>  >      > package was included in previous releases).
>  >     My 999 megahertz machine has been booting to a black screen since
>  >     Lubuntu 15.10, and it still happened with 16.04.  So I assumed that
>  >     machine can no longer be used.  Even the latest 14.04 now boots to a
>  >     black screen on it.
>  >
>  >     How can one install a package when the live system boots to a black
>  >     screen?
>  >
>  >     There is no console mode visible, and no wireless yet (because the
>  >     passphrase has yet to be entered, and cannot be entered).
>  >
>  >     --
>  >     Sincerely,
>  >     Aere
>  >
>  > @Aere:
>  >
>  > Possibly there is no correlation, but I have Lubuntu 16.04 running very
>  > nicely on my PPC G4 iBook 933 MHz w/646 MB RAM . . . circa '04ish.
>  > Probably I needed to use some "boot params" to get the radeon card
>  > "recognized" . . . but, in PPC we are "used" to needing some "words"
>  > with the Yaboot second screen . . . .  You should be able to get Lubuntu
>  > 16 going???  You just need some magic words to mumble over it . . .
>  > different words are needed for different video cards, etc.
>  >
>  > F
>  >
>  >
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