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Bug#926149: marked as done (AMD: Add nomodeset kernel parameter to avoid black screen)

Your message dated Tue, 02 Apr 2019 14:29:11 +0100
with message-id <603cce7816442a5033d77a171962fa90039cf219.camel@decadent.org.uk>
and subject line Re: Bug#926149: AMD: Add nomodeset kernel parameter to avoid black screen
has caused the Debian Bug report #926149,
regarding AMD: Add nomodeset kernel parameter to avoid black screen
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
926149: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=926149
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: installation-reports

With the latest AMD CPUs the kernel will attempt to use the AMDGPU
kernel driver. Alas this will result in a black screen on the minimal
system installed by the installer.

Therefore on all three of these lines in /boot/grub/grub.cfg
    linux /boot/vmlinuz-... root=...
the parameter "nomodeset" needs to occur.
Yes, even for the "recovery mode entry".

(Users reading this bug would want to add it by using "e" when looking at
the grub boot screen, to get their system booted. Then put it in
GRUB_CMDLINE_LINUX= in /etc/default/grub and then run grub-install.

For full logs please see #925556.

--- End Message ---
--- Begin Message --- 
On Tue, 2019-04-02 at 21:13 +0800, 積丹尼 Dan Jacobson wrote:
> I'll be very happy to help you test this week.
> Next week I wish to proceed with final installation though.
> 
> BH> Was the firmware (firmware-amd-graphics package) installed on your test
> BH> system?
> 
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925556#25
> mentions what ISO I used, and all logs are attached to that bug report.
> 
> Note I do all my installs offline with just the ISO.

So you used a netinst image with no network.  I don't think this should
be expected to work.

Ben.

> I recall having worked around the /dev/sdX issue, one can get as far as
> (Staring at the stuck screen with one of the last messages being amdgpudrmfb ...)
> 
> I recall with nomodeset in effect, logs will contain
> [drm:amdgpu_init [amdgpu]] *ERROR* VGACON disables amdgpu kernel modesetting.
> but at least one can still use the computer.
-- 
Ben Hutchings
Klipstein's 4th Law of Prototyping and Production:
                               A fail-safe circuit will destroy others.

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