Questions tagged [kms]
The kms tag has no usage guidance.
19
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How can I enumerate the available KMS modes using open syscall?
I’m trying to install some vGPU platform and I found the resolution is somehow locked, xrandr didn’t work, it returns “ Failed to get size of gamma”.
So I’m thinking maybe I can enumerate the ...
- 1
1
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411
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Ubuntu 21.10 Pi KMS overscan setting Issue
I am running Ubuntu on a Raspberry Pi 4B and have run into an issue with the KMS driver and overscan. When running dtoverlay=vc4-fkms-v3d the overscan settings apply correctly to keep the display ...
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Unable to boot Ubuntu 20.04 on iMac 12,2 (i7, Mid-2011) without kernel option `nomodeset`
I am struggling with an iMac 27" from 2011 with a Radeon 6970M GPU.
Without the nomodeset kernel parameter the display turns black when KMS kicks in.
With i915.modeset=1 radeon.modeset=0 the boot ...
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1
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Ubuntu server 18.04 slow boot due to drm_kms_helper [duplicate]
I have installed Ubuntu Server 18.04 on an old notebook for home purposes (SAMBA, Transmission, etc...). When I open it, it shows me this screen. It remains for about 2-3 minutes and it slows the boot ...
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2
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How to switch graphics driver in Ubuntu 18.04 Radeon HD 4670 (iMac 11,2)
I successfully installed Bionic Beaver, working around the KMS problem with "nomodeset" appended to the GRUB2 options when installing. However, or perhaps as a consequence, Ubuntu installed the ...
- 21
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1
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4k
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How to get rid of "i2c i2c-1: sendbytes: NAK bailout" errors on Ubuntu Server?
After upgrading a 14.04 production server from 3.13 kernel to 4.4.0-112 it started producing these errors every couple of minutes:
[drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is invalid, ...
- 8,704
1
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1
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4k
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Using a saved EDID so Ubuntu boots to correct resolution when TV is turned off
I have an Intel NUC6i7KYK (Intel Graphics 580) and Ubuntu 16.04. I'm trying to get around the problem of Ubuntu booting to a different resolution if it boots while the TV is turned off.
I know there ...
- 11
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955
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i915 frame buffer console cannot be set to 800x600? (Lubuntu 14.04)
I have an Intel Atom (N525, Cedarview) based mainboard which I'm trying to use with Ubuntu (Lubuntu, to be exact, but the problem should exist in the normal version as well). I use the kernel drm and ...
- 11
1
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154
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Xorg doesn't detect graphic card in pure EFI boot
I'm trying to speed up the boot process in my iMac as much as possible.
With Ubuntu 14.10 and kernel 3.16 I succeeded in booting the system by creating a small HFS+ partition, to be used as the ...
- 21
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4
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1k
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Screen flickering with Ubuntu 15 on MSI PE 60 2QE
My new MSI PE60 2QE laptop mounts an Intel Integrated Graphics Chipset 5600 connected to a Samsung 156HL01-102 display.
The display works perfectly when I boot with the "nomodeset" parameter in the ...
- 46
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1
answer
380
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Video blank on boot
Booting Ubuntu 14.10 on tablet with Intel Z3740 CPU, but when booting without nomodeset parameter, video blinks and goes black (backlight seems to be still on) after this message:
fb: switching to ...
- 665
2
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1
answer
5k
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What does -1 mean for modeset? What are other options for modeset?
I have a rough idea what KMS setting is:
Kernel mode-setting (KMS) shifts responsibility for selecting and setting up the
graphics mode from X.org to the kernel. When X.org is started, it then ...
- 1,659
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1
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Resolution goes to 640x480 after disabling KMS
This Ubuntu 12.04 box happens to freeze all of a sudden under regular usage - anything seems to be able to make it freeze. In one effort of seeing what could fix it, I've disabled KMS (Kernel ...
- 121
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2
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4k
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I need to add sections in xorg.conf, do I need to create it?
I understand that 10.10 / KMS does not use xorg.conf; however, I need to add the following to my xorg.conf in a Device section:
Option "Capabilities" "0x00000800"
Option "UseFastTLS" "off"
Option "...
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2
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4k
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How to run kvm/qemu on a virtual terminal with kms enabled
I deduce from the kvm howtos that this should actually work with sdl and a framebuffer, but I can't get it going.
Doing kvm -cdrom tinycore-current.iso with normal user account on a virtual terminal ...
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