Arch Linux

OrigBitmancer

Member

Registered: 2019-01-22

Posts: 144

[Solved] [Hardware fail] Lost $DISPLAY

After a late December system upgrade, my nvidia-driven computer has , best I can diagnose, lost knowledge of $DISPLAY. Symptoms are blinking back to the nominal boot tty, /var/log/Xorg.0.log shows “no displays found”, and dmesg shows no instance of any (nvidia or nouveau) display found.

(The boot also seems to be stuck in 80*30 mode, and I would like it to be 144*64 to use all 1920*1200 real estate available. I cannot find “smaller boot font” or any permutation of it in help text.)

Last edited by OrigBitmancer (2022-02-09 04:16:03)

loqs

Member

Registered: 2014-03-06

Posts: 18,987

Re: [Solved] [Hardware fail] Lost $DISPLAY

What GPU(s) are in the system?  What kernel module(s) do they use?  What starts X? Why did you not post the Xorg.0.log?  https://bbs.archlinux.org/viewtopic.php?id=57855
Also post the contents of any Xorg config files in use.

OrigBitmancer

Member

Registered: 2019-01-22

Posts: 144

Re: [Solved] [Hardware fail] Lost $DISPLAY

(1) What GPU?
   Same one that has been in the machine, untouched, for the past eight+ years

From the Wiki check line ‘lspci -k | grep -A 2 -E “(VGA|3D)” ‘
01:00.0 VGA compatible controller: NVIDIA Corp GF108 [GeForce GT 630] (rev a1)
     Subsystem: PNY Device 0f02
     Kernel modules: nouveau

(2) Kernel modules?
   Nouveau compiled into kernel
   Kernel 5.15.13
   Nouveau, latest as of 1 December, man page shows 1.0.17

(3) What starts X?
   Systemctl - - failed :
* lxdm.service LOAD=loaded ACTIVE=failed SUB=failed

DM is supposed to start (and has for months) as soon as boot finishes. I configured this from the Wiki suggestion.

(4) Why no log posted?
   Posted from my iPad which has no xterm app that I can find! Copied manually:

(EE) [drm] Failed to open DRM device for pci:0000:01:00.0: -19
(EE) no devices detected.
Fatal server error:
   No screens found(EE)

(5) Post Xorg config files
   I would love to. See (4).

It is possible the graphics subsystem has failed. The cooling fan is not turning.

Last edited by OrigBitmancer (2022-01-12 05:19:29)

V1del

Forum Moderator

Registered: 2012-10-16

Posts: 25,295

Re: [Solved] [Hardware fail] Lost $DISPLAY

You can upload to pastebins from a terminal: https://wiki.archlinux.org/title/List_o … n_services

The excerpt you manually provided might point to late KMS start, try: https://wiki.archlinux.org/title/Kernel … _KMS_start

Might want to also test the LTS kernel if it's indeed some bigger regression in the linux package., but I'd say there can also be chances of HW failure.

seth

Member

From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 77,113

Re: [Solved] [Hardware fail] Lost $DISPLAY

I'd say there can also be chances of HW failure.

Therefore please also post the system journal.

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How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

OrigBitmancer

Member

Registered: 2019-01-22

Posts: 144

Re: [Solved] [Hardware fail] Lost $DISPLAY

Hardware is failing. Thanks, everybody.

I have been stuck in the n00b zone. It is not my usual place after 25+ years of sysadmin work. It has been horrible. Appreciate the patience of all of you.