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Re: Boot fails unless nomodeset is set




Robert Pommrich composed on 2019-01-22 08:47 (UTC+0100):

> Since the upgrade from jessie to stretch and despite several kernel
> upgrades from backports I am bitten by the bug described here:

> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=914517

> I am running the stretch system with the old 3.16 kernel from jessie.

> Could please someone have a look at the bug and advise or make a Debian
> Developer aware of the bug?

When I saw you had 8570 I thought it was same as I have. Turns out your 8570 is
Richland but my 8570 is Oland. Mine works OK in Stretch with modesetting X driver,
but not with amdgpu. Maybe this could help you anyway:

# cat /proc/cmdline
ro root=LABEL=s6v6stretch net.ifnames=0 ipv6.disable=1 noresume consoleblank=0 plymouth.enable=0 radeon.si_support=0 amdgpu.si_support=1 vga=791 video=1440x900@60 3
# inxi -GxxSM
System:    Host: big31 Kernel: 4.9.0-8-amd64 x86_64 bits: 64 compiler: gcc v: 6.3.0 Desktop: Trinity R14.0.6 tk: Qt 3.5.0
           wm: Twin dm: startx Distro: Debian GNU/Linux 9 (stretch)
Machine:   Type: Desktop Mobo: BIOSTAR model: G31-M7 TE serial: N/A BIOS: American Megatrends v: 080014 date: 02/01/2010
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Oland [Radeon HD 8570 / R7 240/340 OEM] vendor: Dell driver: radeon
           v: kernel bus ID: 01:00.0 chip ID: 1002:6611
           Display: server: X.Org 1.19.2 driver: modesetting alternate: ati,fbdev,vesa
           resolution: 1920x1080~60Hz, 1920x1200~60Hz
           OpenGL: renderer: Gallium 0.4 on AMD OLAND (DRM 2.49.0 / 4.9.0-8-amd64 LLVM 3.9.1) v: 4.3 Mesa 13.0.6 compat-v: 3.0
           direct render: Yes
# xrandr | egrep -A2 -B1 '1 conne'
Screen 0: minimum 320 x 200, current 1920 x 2280, maximum 16384 x 16384
DP-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 673mm x 284mm
   2560x1080     60.00 +
   1920x1080     60.00*   60.00    50.00    59.94    59.93    24.00    23.98
--
   320x240       72.81    75.00    60.05
DVI-I-1 connected primary 1920x1200+0+1080 (normal left inverted right x axis y axis) 519mm x 324mm
   1920x1200     59.95*+
   1920x1080     59.93

My Caicos works too:
# cat /proc/cmdline
ro root=/dev/sda12 noresume net.ifnames=0 ipv6.disable=1 vga=791 video=1440x900@60 3
# inxi -GxxSM
System:    Host: gx78b Kernel: 4.9.0-8-amd64 x86_64 bits: 64 compiler: gcc v: 6.3.0 Desktop: Trinity R14.0.6 tk: Qt 3.5.0
           wm: Twin dm: startx Distro: Debian GNU/Linux 9 (stretch)
Machine:   Type: Desktop System: Dell product: OptiPlex 780 v: N/A serial: 64KGBM1 Chassis: type: 15 serial: 64KGBM1
           Mobo: Dell model: 03NVJ6 v: A01 serial: ..CN7360402A02C5. BIOS: Dell v: A15 date: 08/06/2013
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] vendor: Dell
           driver: radeon v: kernel bus ID: 01:00.0 chip ID: 1002:6779
           Display: server: X.Org 1.19.2 driver: modesetting alternate: ati,fbdev,vesa
           resolution: 1920x1080~60Hz, 1920x1200~60Hz
           OpenGL: renderer: Gallium 0.4 on AMD CAICOS (DRM 2.49.0 / 4.9.0-8-amd64 LLVM 3.9.1) v: 3.3 Mesa 13.0.6
           compat-v: 3.0 direct render: Yes
# xrandr | egrep -A2 -B1 '1 connec'
Screen 0: minimum 320 x 200, current 1920 x 2280, maximum 16384 x 16384
DP-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 673mm x 284mm
   2560x1080     60.00 +
   1920x1080     60.00*   60.00    50.00    59.94    59.93    24.00    23.98
--
   320x240       72.81    75.00    60.05
DVI-I-1 connected primary 1920x1200+0+1080 (normal left inverted right x axis y axis) 519mm x 324mm
   1920x1200     59.95*+
   1920x1080     59.93

In openSUSE Tumbleweed, the amdgpu X driver also works:
# cat /proc/cmdline
root=LABEL=osTWk3s6v6 ipv6.disable=1 net.ifnames=0 noresume consoleblank=0 radeon.si_support=0 amdgpu.si_support=1 vga=791 video=1440x900@60 3
# inxi -GxxSM
System:    Host: big31 Kernel: 4.19.12-1-default x86_64 bits: 64 compiler: gcc v: 8.2.1 Desktop: KDE 3.5.10 tk: Qt 3.3.8c
           wm: kwin dm: startx Distro: openSUSE Tumbleweed 20190108
Machine:   Type: Desktop Mobo: BIOSTAR model: G31-M7 TE serial: N/A BIOS: American Megatrends v: 080014 date: 02/01/2010
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Oland [Radeon HD 8570 / R7 240/340 OEM] vendor: Dell driver: amdgpu
           v: kernel bus ID: 01:00.0 chip ID: 1002:6611
           Display: server: X.Org 1.20.3 driver: amdgpu unloaded: fbdev,modesetting,vesa alternate: ati
           resolution: 1920x1080~60Hz, 1920x1200~60Hz
           OpenGL: renderer: AMD Radeon HD 8500 Series (OLAND DRM 3.27.0 4.19.12-1-default LLVM 7.0.0) v: 4.5 Mesa 18.3.1
           direct render: Yes
# xrandr | egrep -A2 -B1 '0 connec'
Screen 0: minimum 320 x 200, current 1920 x 2280, maximum 16384 x 16384
DisplayPort-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 673mm x 284mm
   2560x1080     60.00 +
   1920x1080     60.00*   60.00    50.00    59.94    24.00    23.98
--
   720x400       70.08
DVI-I-0 connected primary 1920x1200+0+1080 (normal left inverted right x axis y axis) 519mm x 324mm
   1920x1200     59.95*+
   1680x1050     59.88

Buster works with amdgpu too:
# cat /proc/cmdline
ro root=LABEL=s6v6buster net.ifnames=0 ipv6.disable=1 noresume consoleblank=0 plymouth.enable=0 radeon.si_support=0 amdgpu.si_support=1 vga=791 video=1440x900@60 5
# inxi -GxxSM
System:    Host: big31 Kernel: 4.19.0-1-amd64 x86_64 bits: 64 compiler: gcc v: 8.2.0 Desktop: Trinity R14.0.6 tk: Qt 3.5.0
           wm: Twin dm: TDM Distro: Debian GNU/Linux buster/sid
Machine:   Type: Desktop Mobo: BIOSTAR model: G31-M7 TE serial: N/A BIOS: American Megatrends v: 080014 date: 02/01/2010
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Oland [Radeon HD 8570 / R7 240/340 OEM] vendor: Dell driver: amdgpu
           v: kernel bus ID: 01:00.0 chip ID: 1002:6611
           Display: x11 server: X.Org 1.20.3 driver: amdgpu,ati unloaded: modesetting alternate: fbdev,vesa
           resolution: 1920x1080~60Hz, 1920x1200~60Hz
           OpenGL: renderer: AMD Radeon HD 8500 Series (OLAND DRM 3.27.0 4.19.0-1-amd64 LLVM 7.0.1) v: 4.5 Mesa 18.2.8
           compat-v: 4.4 direct render: Yes
# xrandr | egrep -A2 -B1 '0 connec'
Screen 0: minimum 320 x 200, current 1920 x 2280, maximum 16384 x 16384
DisplayPort-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 673mm x 284mm
   2560x1080     60.00 +
   1920x1080     60.00*   60.00    50.00    59.94    24.00    23.98
--
   720x400       70.08
DVI-I-0 connected primary 1920x1200+0+1080 (normal left inverted right x axis y axis) 519mm x 324mm
   1920x1200     59.95*+
   1680x1050     59.88
-- 
Evolution as taught in public schools is religion, not science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/