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#1 2021-04-29 06:55:11

koumakpet
Member
Registered: 2020-02-28
Posts: 25

No video output without nomodeset

I just built a new computer and attempted to install linux, problem is that I was unable to even  boot the live usb, I tried both arch and ubuntu, in both cases, I got to the grub menu but when I tried to boot, it hanged for about 5-8 seconds, then my monitor just turned off and I wasn't able to get any video output. The keyboard seems to be working, and pressing ctrl+alt+del restarts the computer, suggesting it is running in the back.

When I attempted to troubleshoot this, I fond out that using 'nomodeset' option will actually start the system up properly, and the video output works. I can't find a reason why would this be happening and how could I fix it.
As I've said, this appears to be the case with every linux distro, not just arch, I tried to boot my live ubuntu too, and the video output wasn't working too, same goes for kali linux that I had lying around.

The specifications of my PC are:
CPU: Core i9-10850k
GPU: No external GPU, just the integrated intel one
RAM: 1x HyperX 8GB DDR4 3200 MHz CL16 FURY series
Motherboard: ASUS TUF GAMING H570-PRO WIFI

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#2 2021-04-29 07:05:46

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 25,230

Re: No video output without nomodeset

Boot with the debug kernel parameter, do you get more telling output before the modesetting switch?

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#3 2021-04-29 07:12:33

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

V1del wrote:

Boot with the debug kernel parameter, do you get more telling output before the modesetting switch?

I did get some output, but it just flashed very quickly and then the monitor disconnected, so I wasn't really able to read any of it

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#4 2021-04-29 07:43:00

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,009

Re: No video output without nomodeset

What kind of output do you use (hdmi, display port, vga, … vendor/model, resolution, frequency etc) and does it matter?

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#5 2021-04-29 07:46:18

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

seth wrote:

What kind of output do you use (hdmi, display port, vga, … vendor/model, resolution, frequency etc) and does it matter?

I'm using HDMI, but it doesn't matter, DisplayPort acts in the same way, both are comming from the motherboard directly, from integrated graphics

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#6 2021-04-29 07:46:54

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

koumakpet wrote:
V1del wrote:

Boot with the debug kernel parameter, do you get more telling output before the modesetting switch?

I did get some output, but it just flashed very quickly and then the monitor disconnected, so I wasn't really able to read any of it

Actually, I tried to record the screen while this was going on, the quality isn't perfect, because of how fast it blinked, but it's at least something. The linked images are in order as they were recorded.
https://ibb.co/D1qk245
https://ibb.co/YbR6DS8
https://ibb.co/rG9z2PY
https://ibb.co/S5d1mbr
https://ibb.co/K2Cjp8c
https://ibb.co/QHyJTMT
https://ibb.co/NYMW6qg
https://ibb.co/G9Jk8Lj
https://ibb.co/ZMD84KQ
https://ibb.co/84wzPvj

Also, in case it's relevant, I did disable both FastBoot and SecureBoot

Last edited by koumakpet (2021-04-29 07:50:52)

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#7 2021-04-29 08:00:42

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,009

Re: No video output without nomodeset

Seems it fails to detect the platform.
As the chip is fairly new, does the 5.11 kernel work?

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#8 2021-04-29 10:40:32

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

seth wrote:

Seems it fails to detect the platform.
As the chip is fairly new, does the 5.11 kernel work?

I've installed arch linux with the nomodeset from live arch, which is currently on 5.11.16.arch1-1 stock kernel and the problem is still persisting

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#9 2021-04-29 11:02:26

Lone_Wolf
Administrator
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 15,086

Re: No video output without nomodeset

The failure of booting without nomodeset is often caused by firmware problems .

The latest firmware for that board is  Version 0811 from 2021/04/07[1]  .
What firmware version do you have installed ?


[1] https://www.asus.com/us/Motherboards-Co … Desk_BIOS/

Last edited by Lone_Wolf (2021-04-29 11:02:37)


Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.

clean chroot building not flexible enough ?
Try clean chroot manager by graysky

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#10 2021-04-29 11:18:51

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

Lone_Wolf wrote:

The failure of booting without nomodeset is often caused by firmware problems .

The latest firmware for that board is  Version 0811 from 2021/04/07[1]  .
What firmware version do you have installed ?


[1] https://www.asus.com/us/Motherboards-Co … Desk_BIOS/

In the bottom of the BIOS is the version: 2.21.1278 Copyright (C) 2021 AMI.
In the BIOS information category:
  BIOS Version: 0403 x64
  Build Date: 01/22/2021
  LED EC Version: AULA3-AR32-0207
  ME FW Vesion: 15.0.20.1466
  PCH Stepping: B1


This was there from the manufacturer, I haven't done any firmware updates.

Last edited by koumakpet (2021-04-29 11:22:52)

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#11 2021-04-29 11:44:04

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,009

Re: No video output without nomodeset

Can you upload the journal of a failed boot? Maybe there's a more complete (and less blurry ;-) backtrace.

sudo journalctl -b -1 | curl -F 'f:1=<-' ix.io

for the previous boot.

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#12 2021-04-29 12:07:15

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

seth wrote:

Can you upload the journal of a failed boot? Maybe there's a more complete (and less blurry ;-) backtrace.

sudo journalctl -b -1 | curl -F 'f:1=<-' ix.io

for the previous boot.

Here is the uploaded journalctl log:
http://ix.io/3liJ

Also, I've updated the UEFI as Lone_Wolf suggested, but the problem still persists. Although I think it did improve something, because I think I've seen less lines when booting the system. Might just be a coincidence though.
The uploaded journalctl log is from a regular boot, without the quiet flag but also without the nomodeset, which means it did get to the part when my display got disconnected. I then rebooted the system and ran with nomodeset to run the command to upload it.
I also managed to enable ssh and I can now ssh into the system even when running without nomodeset, so the system is functioning normally, it's just the display that's disconnecting.

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#13 2021-04-29 12:08:48

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,009

Re: No video output without nomodeset

That boot ran "nomodeset", adjust the "-1" to hit a boot where you were *not* booting w/ that parameter.

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#14 2021-04-29 12:14:31

koumakpet
Member
Registered: 2020-02-28
Posts: 25

Re: No video output without nomodeset

seth wrote:

That boot ran "nomodeset", adjust the "-1" to hit a boot where you were *not* booting w/ that parameter.

Oh sorry, this one should be without it: http://ix.io/3liK

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#15 2021-04-29 13:10:53

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,009

Re: No video output without nomodeset

https://gitlab.freedesktop.org/drm/intel/-/issues/2742
Should™ be in 5.12

I'll watch the shouldland video.
It's in https://git.kernel.org/pub/scm/linux/ke … y?h=master but not in https://git.kernel.org/pub/scm/linux/ke … ay?h=v5.12

Last edited by seth (2021-04-29 13:15:29)

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#16 2021-04-29 13:19:54

progandy
Member
Registered: 2012-05-17
Posts: 5,317

Re: No video output without nomodeset

It looks like ubuntu carries some kernel patches for the new intel chipsets. (If you are too lazy to compile the kernel, but adventurous enough you could extract the ubuntu kernel and manually place everything in the correct locations)

https://www.linuxquestions.org/question … 175692866/
https://bugs.launchpad.net/ubuntu/+sour … ug/1909457

The patches have landed upstream, but there is no release or backport yet. (5.13 will include them and there might be backports to 5.12 and 5.10)

Last edited by progandy (2021-04-29 13:22:56)


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