Re: new video card broke X

On Sun, Jun 28, 2026 at 5:49 PM Eben King <[email protected]> wrote:

> I recently got a new-to-me video card:
> 00:1f.3 Multimedia audio controller: Intel Corporation 100 Series/C230
> Series Chipset Family HD Audio Controller (rev 31)
>
> There is also the onboard hardware:
> 00:02.0 Display controller: Intel Corporation HD Graphics 530 (rev 06)
>
> It is currently connected to one monitor, but that'll change after this
> is fixed. One change at a time.
>
> The computer boots fine. The POST and bootloader show on both
> card-connected monitors and the boot sequence shows on the onboard one.
> but I can live with that for now.
>
> I formerly had an Nvidia GX750, and something still thinks I have it.
> startx runs but exits with error.  Any idea where that's coming from?
> I've done some investigation, but obviously not of the right things.


Try "sudo modprobe -r --remove-holders nvidia"

You can also uninstall the nvidia driver with "sudo apt
purge nvidia-driver  nvidia-driver-*"


> Thanks.
>
> ~/.local/share/xorg/Xorg.0.log
> [    26.279]
> X.Org X Server 1.21.1.7
> X Protocol Version 11, Revision 0
> [    26.280] Current Operating System: Linux cerberus 6.1.0-49-amd64 #1
> SMP PREEMPT_DYNAMIC Debian 6.1.174-1 (2026-05-26) x86_64
> [    26.280] Kernel command line: BOOT_IMAGE=/vmlinuz-6.1.0-49-amd64
> root=UUID=6bb7e826-89c5-4a3b-bafa-ed2de4f102ec ro quiet
> [    26.280] xorg-server 2:21.1.7-3+deb12u12
> (https://www.debian.org/support)
> [    26.280] Current version of pixman: 0.42.2
> [    26.281]    Before reporting problems, check http://wiki.x.org
>         to make sure that you have the latest version.
> [    26.281] Markers: (--) probed, (**) from config file, (==) default
> setting,
>         (++) from command line, (!!) notice, (II) informational,
>         (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> [    26.282] (==) Log file: "/home/eben/.local/share/xorg/Xorg.0.log",
> Time: Sun Jun 28 13:55:18 2026
> [    26.284] (==) Using config file: "/etc/X11/xorg.conf"
> [    26.284] (==) Using config directory: "/etc/X11/xorg.conf.d"
> [    26.284] (==) Using system config directory
> "/usr/share/X11/xorg.conf.d"
> [    26.286] (==) ServerLayout "Layout0"
> [    26.286] (**) |-->Screen "Screen0" (0)
> [    26.286] (**) |   |-->Monitor "Monitor0"
> [    26.288] (**) |   |-->Device "Device0"
> [    26.288] (**) |   |-->GPUDevice "Card1"
> [    26.288] (**) |-->Input Device "Keyboard0"
> [    26.288] (**) |-->Input Device "Mouse0"
> [    26.288] (==) Automatically adding devices
> [    26.288] (==) Automatically enabling devices
> [    26.288] (==) Automatically adding GPU devices
> [    26.288] (==) Automatically binding GPU devices
> [    26.288] (==) Max clients allowed: 256, resource mask: 0x1fffff
> [    26.289] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not
> exist.
> [    26.289]    Entry deleted from font path.
> [    26.291] (==) FontPath set to:
>         /usr/share/fonts/X11/misc,
>         /usr/share/fonts/X11/100dpi/:unscaled,
>         /usr/share/fonts/X11/75dpi/:unscaled,
>         /usr/share/fonts/X11/Type1,
>         /usr/share/fonts/X11/100dpi,
>         /usr/share/fonts/X11/75dpi,
>         built-ins
> [    26.291] (==) ModulePath set to "/usr/lib/xorg/modules"
> [    26.291] (WW) Hotplugging is on, devices using drivers 'kbd',
> 'mouse' or 'vmmouse' will be disabled.
> [    26.291] (WW) Disabling Keyboard0
> [    26.291] (WW) Disabling Mouse0
> [    26.291] (II) Loader magic: 0x55861cfc1f00
> [    26.291] (II) Module ABI versions:
> [    26.291]    X.Org ANSI C Emulation: 0.4
> [    26.291]    X.Org Video Driver: 25.2
> [    26.291]    X.Org XInput driver : 24.4
> [    26.291]    X.Org Server Extension : 10.0
> [    26.293] (++) using VT number 1
>
> [    26.298] (II) systemd-logind: took control of session
> /org/freedesktop/login1/session/_31
> [    26.301] (II) xfree86: Adding drm device (/dev/dri/card0)
> [    26.301] (II) Platform probe for
> /sys/devices/pci0000:00/0000:00:02.0/drm/card0
> [    26.303] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 13
> paused 0
> [    26.315] (--) PCI: (0@0:2:0) 8086:1912:1458:d000 rev 6, Mem @
> 0xdd000000/16777216, 0xb0000000/268435456, I/O @ 0x0000f000/64
> [    26.315] (--) PCI:*(1@0:0:0) 1002:6fdf:1002:0b31 rev 239, Mem @
> 0xc0000000/268435456, 0xd0000000/2097152, 0xdf200000/262144, I/O @
> 0x0000e000/256, BIOS @ 0x????????/131072
> [    26.315] (II) LoadModule: "glx"
> [    26.318] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
> [    26.331] (II) Module glx: vendor="X.Org Foundation"
> [    26.331]    compiled for 1.21.1.7, module version = 1.0.0
> [    26.331]    ABI class: X.Org Server Extension, version 10.0
> [    26.331] (II) LoadModule: "nvidia"
> [    26.332] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
> [    26.342] (II) Module nvidia: vendor="NVIDIA Corporation"
> [    26.342]    compiled for 1.6.99.901, module version = 1.0.0
> [    26.342]    Module class: X.Org Video Driver
> [    26.343] (II) LoadModule: "modesetting"
> [    26.343] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
> [    26.345] (II) Module modesetting: vendor="X.Org Foundation"
> [    26.345]    compiled for 1.21.1.7, module version = 1.21.1
> [    26.345]    Module class: X.Org Video Driver
> [    26.345]    ABI class: X.Org Video Driver, version 25.2
> [    26.345] (II) NVIDIA dlloader X Driver  470.256.02  Thu May  2
> 14:54:41 UTC 2024
> [    26.345] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
> [    26.346] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
> [    26.346] xf86EnableIO: failed to enable I/O ports 0000-03ff
> (Operation not permitted)
> [    26.346] (WW) Falling back to old probe method for modesetting
> [    26.346] (II) modeset(0): using default device
> [    26.347] (II) modeset(G0): using drv /dev/dri/card0
> [    26.347] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
> support
> [    26.347] (EE) Screen 0 deleted because of no matching config section.
> [    26.347] (II) UnloadModule: "modesetting"
> [    26.347] (EE) Device(s) detected, but none match those in the config
> file.
> [    26.347] (EE)
> Fatal server error:
> [    26.347] (EE) no screens found(EE)
> [    26.347] (EE)
> Please consult the The X.Org Foundation support
>          at http://wiki.x.org
>   for help.
> [    26.347] (EE) Please also check the log file at
> "/home/eben/.local/share/xorg/Xorg.0.log" for additional information.
> [    26.347] (EE)
> [    26.357] (EE) Server terminated with error (1). Closing log file.
>
> sudo sh -c 'find  /usr/lib/xorg -type f -print0 | xargs -0 grep -l nv'
> /usr/lib/xorg/Xorg.wrap
> /usr/lib/xorg/Xorg
> /usr/lib/xorg/protocol.txt
> /usr/lib/xorg/modules/input/wacom_drv.so
> /usr/lib/xorg/modules/input/libinput_drv.so
> /usr/lib/xorg/modules/input/inputtest_drv.so
> /usr/lib/xorg/modules/libfbdevhw.so
> /usr/lib/xorg/modules/extensions/libglx.so
> /usr/lib/xorg/modules/drivers/qxl_drv.so
> /usr/lib/xorg/modules/drivers/fbdev_drv.so
> /usr/lib/xorg/modules/drivers/modesetting_drv.so
> /usr/lib/xorg/modules/drivers/vmware_drv.so
> /usr/lib/xorg/modules/drivers/intel_drv.so
> /usr/lib/xorg/modules/libexa.so
> /usr/lib/xorg/modules/libglamoregl.so
> /usr/lib/xorg/modules/libint10.so
>
>

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