[solved] DRM: Pointer to TMDS table invalid - debian 10

Getting your soundcard to work, using Debian on non-i386 hardware, etc

[solved] DRM: Pointer to TMDS table invalid - debian 10

Postby maxbre » 2020-01-30 18:59

I've got this error by looking at dsmeg

Code: Select all
dmesg
.........
nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid
.......



my system is
Code: Select all
uname -a
Linux max-debian 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64 GNU/Linux

and
Code: Select all
lspci
00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 3D controller: NVIDIA Corporation GK208M [GeForce 920M] (rev a1)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)



any hint for sorting out that problem apparently related to the nvidia graphic card it is in use in my laptop?

thanks
Last edited by maxbre on 2020-01-30 19:58, edited 1 time in total.
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Re: DRM: Pointer to TMDS table invalid - debian 10

Postby stevepusser » 2020-01-30 19:28

You can pretty much ignore it if you don't want to use the Nvidia card at all. If you do, I've only had experience using Bumblebee to switch the 3D rendering to the Nvidia card using the non-free Nvidia driver, not nouveau.

https://wiki.debian.org/NvidiaGraphicsDrivers/Optimus
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Re: DRM: Pointer to TMDS table invalid - debian 10

Postby maxbre » 2020-01-30 19:57

thanks

I had a quick look at the documentation and decided, as you suggested, to ignore it by leaving everything as it is (for now, at least)

anyway, good to know something more specific about this issue, in case of any future problems will come up

I'll eventually give a go to bumblebee optimus (just in case)

best
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