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#1 2025-11-01 12:36:28
- TerraPrime
- Member
- Registered: 2025-11-01
- Posts: 5
amd / nvidia problems with HDMI
I have same issue.
CPU: AMD Ryzen 9 5900HX with Radeon Graphics (16) @ 4.892GHz
GPU: NVIDIA GeForce RTX 3080 Mobile / Max-Q 8GB/16GB
GPU: AMD ATI Radeon Vega Series / Radeon Vega Mobile Series
Stopped working shortly after last kernel update.
(base) [robo008@robo008 ~]$ journalctl -b -p3 nov 01 13:16:26 robo008 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.PB2], AE_NOT_FOUND (20250404/dswload2-162)
nov 01 13:16:26 robo008 kernel: ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20250404/psobject-220)
nov 01 13:16:26 robo008 kernel: scsi 2:0:0:1: Wrong diagnostic page; asked for 1 got 8
nov 01 13:16:26 robo008 kernel: scsi 2:0:0:1: Failed to get diagnostic page 0x1
nov 01 13:16:26 robo008 kernel: scsi 2:0:0:1: Failed to bind enclosure -19
nov 01 13:16:26 robo008 systemd-udevd[466]: /etc/udev/rules.d/50-brother-brscan4-libsane-type1.rules:9 Invalid key 'SYSFS'.
nov 01 13:16:26 robo008 systemd-udevd[466]: /etc/udev/rules.d/50-brother-libsane-type1-inst.rules:14 Invalid key 'SYSFS'.
nov 01 13:16:28 robo008 kernel:
nov 01 13:16:30 robo008 dbus-broker-launch[936]: Ignoring duplicate name 'org.freedesktop.FileManager1' in service file '/usr/share/dbus-1/services/org.kde.dolphin.FileManager1.servi>
nov 01 13:16:34 robo008 sddm-helper[975]: gkr-pam: unable to locate daemon control file
nov 01 13:16:34 robo008 dbus-broker-launch[1013]: Ignoring duplicate name 'org.freedesktop.FileManager1' in service file '/usr/share/dbus-1/services/org.kde.dolphin.FileManager1.serv>
nov 01 13:16:35 robo008 kded6[1188]: Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kglobala>
nov 01 13:16:35 robo008 kwin_x11[1251]: Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kglob>
nov 01 13:16:35 robo008 ksmserver[1320]: Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kglo>
nov 01 13:16:35 robo008 xrdp[1394]: [CORE ] You are running xrdp as root. This is not safe.
nov 01 13:16:35 robo008 systemd[1]: Failed to start PostgreSQL database server.
nov 01 13:16:35 robo008 kaccess[1355]: Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kgloba>
nov 01 13:16:35 robo008 plasmashell[1361]: Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kg>
nov 01 13:16:35 robo008 kactivitymanagerd[1402]: Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.>
nov 01 13:16:35 robo008 firewalld[646]: ERROR: NAME_CONFLICT: new_policy_object(): 'docker-forwarding'
nov 01 13:16:36 robo008 optimus-manager-qt[1634]: Unable to open Optimus Manager state file
nov 01 13:16:36 robo008 systemd-coredump[1898]: [?] Process 1634 (optimus-manager) of user 1000 dumped core.
Stack trace of thread 1634:
#0 0x00007f570229894c n/a (libc.so.6 + 0x9894c)
#1 0x00007f570223e410 raise (libc.so.6 + 0x3e410)
#2 0x00007f570222557a abort (libc.so.6 + 0x2557a)
#3 0x00007f5702a982e0 _ZNK14QMessageLogger5fatalEPKcz (libQt5Core.so.5 + 0x982e0)
#4 0x000055cfc8b61318 _ZN14OptimusManager9detectGpuEv.cold (/usr/local/bin/optimus-manager-qt + 0xf318)
#5 0x000055cfc8b69816 _ZN14OptimusManagerC2EP7QObject (/usr/local/bin/optimus-manager-qt + 0x17816)
#6 0x000055cfc8b64978 main (/usr/local/bin/optimus-manager-qt + 0x12978)
#7 0x00007f5702227675 n/a (libc.so.6 + 0x27675)
#8 0x00007f5702227729 __libc_start_main (libc.so.6 + 0x27729)
#9 0x000055cfc8b66435 _start (/usr/local/bin/optimus-manager-qt + 0x14435)
Stack trace of thread 1689:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f57022931f4 n/a (libc.so.6 + 0x931f4)
#3 0x00007f570230d4ee __poll (libc.so.6 + 0x10d4ee)
#4 0x00007f57015ef20b n/a (libxcb.so.1 + 0xd20b)
#5 0x00007f57015f0f3d xcb_wait_for_event (libxcb.so.1 + 0xef3d)
#6 0x00007f56fd52b219 n/a (libQt5XcbQpa.so.5 + 0x62219)
#7 0x00007f5702af1959 n/a (libQt5Core.so.5 + 0xf1959)
#8 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#9 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1838:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1843:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1847:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1842:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1848:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1682:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f57022931f4 n/a (libc.so.6 + 0x931f4)
#3 0x00007f570230da36 ppoll (libc.so.6 + 0x10da36)
#4 0x00007f5700d08784 n/a (libglib-2.0.so.0 + 0x60784)
#5 0x00007f5700d08865 g_main_context_iteration (libglib-2.0.so.0 + 0x60865)
#6 0x00007f5702d21d49 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x321d49)
#7 0x00007f5702cc88bb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2c88bb)
#8 0x00007f5702af543b _ZN7QThread4execEv (libQt5Core.so.5 + 0xf543b)
#9 0x00007f5703f9ad2e n/a (libQt5DBus.so.5 + 0x17d2e)
#10 0x00007f5702af1959 n/a (libQt5Core.so.5 + 0xf1959)
#11 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#12 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1841:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
Stack trace of thread 1845:
#0 0x00007f570229f042 n/a (libc.so.6 + 0x9f042)
#1 0x00007f57022931ac n/a (libc.so.6 + 0x931ac)
#2 0x00007f570229381c n/a (libc.so.6 + 0x9381c)
#3 0x00007f5702295ede pthread_cond_wait (libc.so.6 + 0x95ede)
#4 0x00007f56ed76761e n/a (libgallium-25.2.6-arch1.1.so + 0x56761e)
#5 0x00007f56ed72057d n/a (libgallium-25.2.6-arch1.1.so + 0x52057d)
#6 0x00007f56ed76754d n/a (libgallium-25.2.6-arch1.1.so + 0x56754d)
#7 0x00007f57022969cb n/a (libc.so.6 + 0x969cb)
#8 0x00007f570231aa0c n/a (libc.so.6 + 0x11aa0c)
ELF object binary architecture: AMD x86-64Last edited by TerraPrime (2025-11-01 23:24:09)
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#2 2025-11-01 14:31:35
- seth
- Member
- From: Don't DM me only for attention
- Registered: 2012-09-03
- Posts: 70,959
Re: amd / nvidia problems with HDMI
Please use [code][/code] tags. Edit your post in this regard.
Also don't copy and paste out of the pager (it truncates lines) and don't apply random filters.
Please post your complete system journal for the boot:
sudo journalctl -b | curl -F 'file=@-' 0x0.stWhy are you using optimus-manager (the thing that's crashing) itfp?
Why do you
nov 01 13:16:35 robo008 xrdp[1394]: [CORE ] You are running xrdp as root. This is not safe.And none of that fits the subject of this thread.
Online
#3 2025-11-02 00:17:44
- TerraPrime
- Member
- Registered: 2025-11-01
- Posts: 5
Re: amd / nvidia problems with HDMI
I must admit that I initially overlooked the special code-marking rule.
After further investigation, I determined that the malfunction is caused by an incompatibility between the nvidia-dkms drivers and my LG TV.
When the LG TV is connected to the laptop via HDMI and remains powered off but still connected to the power supply, the system functions normally — the LG TV is correctly detected and displayed in Display Configuration.
However, when the LG TV is powered on, the graphical interface crashes, and I can only access the system through a TTY session.
After several hours of testing various settings, creating and editing .conf files, and modifying the GRUB configuration (as suggested by AI tools), I managed to prevent the graphics system from completely crashing.
Nevertheless, the issue persists — I must reboot the system to restore full functionality of the NVIDIA GPU.
I have not been able to resolve the problem beyond this point.
All other HDMI-connected devices, including XR glasses and two different monitors, function without any issues.
Only the LG TV causes this crash.
The TV worked perfectly with slightly older Linux kernel and NVIDIA driver versions, and it also works flawlessly under Windows 11 on the same hardware.
You are correct that this thread was not posted in the most appropriate location.
Initially, I assumed it concerned HDMI display issues on laptops with both integrated and dedicated GPUs operating in hybrid mode.
I should either repost this issue on the NVIDIA forum for further discussion and resolution or wait for updates to the Linux kernel or NVIDIA drivers.
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#4 2025-11-02 09:28:29
- seth
- Member
- From: Don't DM me only for attention
- Registered: 2012-09-03
- Posts: 70,959
Re: amd / nvidia problems with HDMI
Please post your complete system journal for the boot:
sudo journalctl -b | curl -F 'file=@-' 0x0.stfor OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; doneYou'll need https://archlinux.org/packages/extra/x86_64/v4l-utils/
Online
#5 2025-11-04 09:59:45
- TerraPrime
- Member
- Registered: 2025-11-01
- Posts: 5
Re: amd / nvidia problems with HDMI
(base) [robo008@robo008 ~]$ conda deactivate
[robo008@robo008 ~]$ sudo journalctl -b | curl -F 'file=@-' 0x0.st
Your network (86.58.64.0/18) is blocked from uploading files.[robo008@robo008 ~]$ It appears that my networking isn’t functioning as expected either...
(base) [robo008@robo008 ~]$ for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; done
/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
EDID of '/sys/class/drm/card1-DP-1/edid' was empty.
=================
/sys/class/drm/card1-DP-2
EDID of '/sys/class/drm/card1-DP-2/edid' was empty.
=================
/sys/class/drm/card1-eDP-1
EDID of '/sys/class/drm/card1-eDP-1/edid' was empty.
=================
/sys/class/drm/card1-HDMI-A-1
EDID of '/sys/class/drm/card1-HDMI-A-1/edid' was empty.
=================
/sys/class/drm/card2
/sys/class/drm/card2/edid: No such file or directory
=================
/sys/class/drm/card2-eDP-2
edid-decode (hex):
00 ff ff ff ff ff ff 00 0e 6f 09 16 00 00 00 00
00 1f 01 04 b5 22 16 78 03 ee 95 a3 54 4c 99 26
0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 6e 6e 00 a0 a0 40 84 60 30 20
36 00 59 d7 10 00 00 18 00 00 00 fd 0c 3c a5 1f
1f 4e 01 0a 20 20 20 20 20 20 00 00 00 fe 00 43
53 4f 54 20 54 33 0a 20 20 20 20 20 00 00 00 fe
00 4d 4e 47 30 30 37 44 41 31 2d 38 0a 20 02 f1
02 03 1d 00 e3 05 80 00 e6 06 05 01 6a 6a 24 6d
1a 00 00 02 03 3c a5 00 04 6a 24 6a 24 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff
70 13 79 00 00 03 01 14 ac 2f 01 85 ff 09 9f 00
2f 00 1f 00 3f 06 83 00 02 00 05 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 37 90
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: CSO
Model: 5641
Made in: 2021
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 10
DisplayPort interface
Maximum image size: 34 cm x 22 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred refresh rate
Display supports continuous frequencies
Color Characteristics:
Red : 0.6396, 0.3300
Green: 0.2998, 0.5996
Blue : 0.1503, 0.0595
White: 0.3134, 0.3291
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 2560x1600 60.007981 Hz 16:10 103.934 kHz 282.700000 MHz (345 mm x 215 mm)
Hfront 48 Hsync 32 Hback 80 Hpol N
Vfront 3 Vsync 6 Vback 123 Vpol N
Display Range Limits:
Monitor ranges (Range Limits Only): 60-165 Hz V, 286-286 kHz H, max dotclock 780 MHz
Alphanumeric Data String: 'CSOT T3'
Alphanumeric Data String: 'MNG007DA1-8'
Extension blocks: 2
Checksum: 0xf1
----------------
Block 1, CTA-861 Extension Block:
Revision: 3
Native detailed modes: 0
Colorimetry Data Block:
BT2020RGB
HDR Static Metadata Data Block:
Electro optical transfer functions:
Traditional gamma - SDR luminance range
SMPTE ST2084
Supported static metadata descriptors:
Static metadata type 1
Desired content max luminance: 106 (496.743 cd/m^2)
Desired content max frame-average luminance: 106 (496.743 cd/m^2)
Desired content min luminance: 36 (0.099 cd/m^2)
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 2
Feature Caps: 0x03
Minimum Refresh Rate: 60 Hz
Maximum Refresh Rate: 165 Hz
Flags 1.x: 0x00
Flags 2.x: 0x04
Maximum luminance: 106 (496.743 cd/m^2)
Minimum luminance: 36 (0.099 cd/m^2)
Maximum luminance (without local dimming): 106 (496.743 cd/m^2)
Minimum luminance (without local dimming): 36 (0.099 cd/m^2)
Checksum: 0xff Unused space in Extension Block: 98 bytes
----------------
Block 2, DisplayID Extension Block:
Version: 1.3
Extension Count: 0
Display Product Type: Extension Section
Video Timing Modes Type 1 - Detailed Timings Data Block:
DTD: 2560x1600 165.018764 Hz 16:10 285.812 kHz 777.410000 MHz (aspect 16:10, no 3D stereo, preferred)
Hfront 48 Hsync 32 Hback 80 Hpol N
Vfront 3 Vsync 6 Vback 123 Vpol N
Checksum: 0x37
Checksum: 0x90
=================I’ve had the "v4l-utils" package installed for some time now, but it doesn’t seem to make any difference. Thanks anyway for the suggestion.
I also updated the Linux kernel today. I’ll let you know if the connection to the LG TV starts working once I test it.
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#6 2025-11-04 12:35:51
- seth
- Member
- From: Don't DM me only for attention
- Registered: 2012-09-03
- Posts: 70,959
Re: amd / nvidia problems with HDMI
It appears that my networking isn’t functioning as expected either...
It appears that 0x0.st blocks Telemach-NET (possibly for abuse)
=> https://wiki.archlinux.org/title/List_o … n_services
I’ve had the "v4l-utils" package installed for some time now, but it doesn’t seem to make any difference.
It's not supposed to - it's just required to run edid-decode
There's only "/sys/class/drm/card2-eDP-2" - no LG monitor.
Was it attached/active when running this?
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#7 2025-11-05 22:03:57
- TerraPrime
- Member
- Registered: 2025-11-01
- Posts: 5
Re: amd / nvidia problems with HDMI
No, the TV wasn’t connected at that time, but I get a very similar output when it is connected:
[robo008@robo008 ~]$ for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; done
/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
EDID of '/sys/class/drm/card1-DP-1/edid' was empty.
=================
/sys/class/drm/card1-DP-2
EDID of '/sys/class/drm/card1-DP-2/edid' was empty.
=================
/sys/class/drm/card1-eDP-1
EDID of '/sys/class/drm/card1-eDP-1/edid' was empty.
=================
/sys/class/drm/card1-HDMI-A-1
EDID of '/sys/class/drm/card1-HDMI-A-1/edid' was empty.
=================
/sys/class/drm/card2
/sys/class/drm/card2/edid: No such file or directory
=================
/sys/class/drm/card2-eDP-2
edid-decode (hex):
00 ff ff ff ff ff ff 00 0e 6f 09 16 00 00 00 00
00 1f 01 04 b5 22 16 78 03 ee 95 a3 54 4c 99 26
0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 6e 6e 00 a0 a0 40 84 60 30 20
36 00 59 d7 10 00 00 18 00 00 00 fd 0c 3c a5 1f
1f 4e 01 0a 20 20 20 20 20 20 00 00 00 fe 00 43
53 4f 54 20 54 33 0a 20 20 20 20 20 00 00 00 fe
00 4d 4e 47 30 30 37 44 41 31 2d 38 0a 20 02 f1
02 03 1d 00 e3 05 80 00 e6 06 05 01 6a 6a 24 6d
1a 00 00 02 03 3c a5 00 04 6a 24 6a 24 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff
70 13 79 00 00 03 01 14 ac 2f 01 85 ff 09 9f 00
2f 00 1f 00 3f 06 83 00 02 00 05 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 37 90
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: CSO
Model: 5641
Made in: 2021
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 10
DisplayPort interface
Maximum image size: 34 cm x 22 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred refresh rate
Display supports continuous frequencies
Color Characteristics:
Red : 0.6396, 0.3300
Green: 0.2998, 0.5996
Blue : 0.1503, 0.0595
White: 0.3134, 0.3291
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 2560x1600 60.007981 Hz 16:10 103.934 kHz 282.700000 MHz (345 mm x 215 mm)
Hfront 48 Hsync 32 Hback 80 Hpol N
Vfront 3 Vsync 6 Vback 123 Vpol N
Display Range Limits:
Monitor ranges (Range Limits Only): 60-165 Hz V, 286-286 kHz H, max dotclock 780 MHz
Alphanumeric Data String: 'CSOT T3'
Alphanumeric Data String: 'MNG007DA1-8'
Extension blocks: 2
Checksum: 0xf1
----------------
Block 1, CTA-861 Extension Block:
Revision: 3
Native detailed modes: 0
Colorimetry Data Block:
BT2020RGB
HDR Static Metadata Data Block:
Electro optical transfer functions:
Traditional gamma - SDR luminance range
SMPTE ST2084
Supported static metadata descriptors:
Static metadata type 1
Desired content max luminance: 106 (496.743 cd/m^2)
Desired content max frame-average luminance: 106 (496.743 cd/m^2)
Desired content min luminance: 36 (0.099 cd/m^2)
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 2
Feature Caps: 0x03
Minimum Refresh Rate: 60 Hz
Maximum Refresh Rate: 165 Hz
Flags 1.x: 0x00
Flags 2.x: 0x04
Maximum luminance: 106 (496.743 cd/m^2)
Minimum luminance: 36 (0.099 cd/m^2)
Maximum luminance (without local dimming): 106 (496.743 cd/m^2)
Minimum luminance (without local dimming): 36 (0.099 cd/m^2)
Checksum: 0xff Unused space in Extension Block: 98 bytes
----------------
Block 2, DisplayID Extension Block:
Version: 1.3
Extension Count: 0
Display Product Type: Extension Section
Video Timing Modes Type 1 - Detailed Timings Data Block:
DTD: 2560x1600 165.018764 Hz 16:10 285.812 kHz 777.410000 MHz (aspect 16:10, no 3D stereo, preferred)
Hfront 48 Hsync 32 Hback 80 Hpol N
Vfront 3 Vsync 6 Vback 123 Vpol N
Checksum: 0x37
Checksum: 0x90
=================Finally, I managed to get it working!
After downgrading the NVIDIA drivers to the previous version, everything started working again.
I downgraded the drivers using the following command:
sudo pacman -U https://archive.archlinux.org/packages/n/nvidia-utils/nvidia-utils-580.82.09-1-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/n/nvidia-dkms/nvidia-dkms-580.82.09-1-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/n/nvidia-settings/nvidia-settings-580.82.09-1-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/l/lib32-nvidia-utils/lib32-nvidia-utils-580.82.09-1-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/l/lib32-opencl-nvidia/lib32-opencl-nvidia-580.82.09-1-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/l/libxnvctrl/libxnvctrl-580.82.09-1-x86_64.pkg.tar.zst https://archive.archlinux.org/packages/o/opencl-nvidia/opencl-nvidia-580.82.09-1-x86_64.pkg.tar.zstInterestingly, the LG TV now offers more refresh rate options — the newer driver only allowed up to 60 Hz, while the downgraded version correctly enables the TV’s native refresh rates (up to 120 Hz).
Here’s the output with the LG TV connected and working:
(base) [robo008@robo008 ~]$ for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; done
/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
EDID of '/sys/class/drm/card1-DP-1/edid' was empty.
=================
/sys/class/drm/card1-DP-2
EDID of '/sys/class/drm/card1-DP-2/edid' was empty.
=================
/sys/class/drm/card1-eDP-1
EDID of '/sys/class/drm/card1-eDP-1/edid' was empty.
=================
/sys/class/drm/card1-HDMI-A-1
EDID of '/sys/class/drm/card1-HDMI-A-1/edid' was empty.
=================
/sys/class/drm/card2
/sys/class/drm/card2/edid: No such file or directory
=================
/sys/class/drm/card2-eDP-2
edid-decode (hex):
00 ff ff ff ff ff ff 00 0e 6f 09 16 00 00 00 00
00 1f 01 04 b5 22 16 78 03 ee 95 a3 54 4c 99 26
0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 6e 6e 00 a0 a0 40 84 60 30 20
36 00 59 d7 10 00 00 18 00 00 00 fd 0c 3c a5 1f
1f 4e 01 0a 20 20 20 20 20 20 00 00 00 fe 00 43
53 4f 54 20 54 33 0a 20 20 20 20 20 00 00 00 fe
00 4d 4e 47 30 30 37 44 41 31 2d 38 0a 20 02 f1
02 03 1d 00 e3 05 80 00 e6 06 05 01 6a 6a 24 6d
1a 00 00 02 03 3c a5 00 04 6a 24 6a 24 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff
70 13 79 00 00 03 01 14 ac 2f 01 85 ff 09 9f 00
2f 00 1f 00 3f 06 83 00 02 00 05 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 37 90
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: CSO
Model: 5641
Made in: 2021
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 10
DisplayPort interface
Maximum image size: 34 cm x 22 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred refresh rate
Display supports continuous frequencies
Color Characteristics:
Red : 0.6396, 0.3300
Green: 0.2998, 0.5996
Blue : 0.1503, 0.0595
White: 0.3134, 0.3291
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 2560x1600 60.007981 Hz 16:10 103.934 kHz 282.700000 MHz (345 mm x 215 mm)
Hfront 48 Hsync 32 Hback 80 Hpol N
Vfront 3 Vsync 6 Vback 123 Vpol N
Display Range Limits:
Monitor ranges (Range Limits Only): 60-165 Hz V, 286-286 kHz H, max dotclock 780 MHz
Alphanumeric Data String: 'CSOT T3'
Alphanumeric Data String: 'MNG007DA1-8'
Extension blocks: 2
Checksum: 0xf1
----------------
Block 1, CTA-861 Extension Block:
Revision: 3
Native detailed modes: 0
Colorimetry Data Block:
BT2020RGB
HDR Static Metadata Data Block:
Electro optical transfer functions:
Traditional gamma - SDR luminance range
SMPTE ST2084
Supported static metadata descriptors:
Static metadata type 1
Desired content max luminance: 106 (496.743 cd/m^2)
Desired content max frame-average luminance: 106 (496.743 cd/m^2)
Desired content min luminance: 36 (0.099 cd/m^2)
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 2
Feature Caps: 0x03
Minimum Refresh Rate: 60 Hz
Maximum Refresh Rate: 165 Hz
Flags 1.x: 0x00
Flags 2.x: 0x04
Maximum luminance: 106 (496.743 cd/m^2)
Minimum luminance: 36 (0.099 cd/m^2)
Maximum luminance (without local dimming): 106 (496.743 cd/m^2)
Minimum luminance (without local dimming): 36 (0.099 cd/m^2)
Checksum: 0xff Unused space in Extension Block: 98 bytes
----------------
Block 2, DisplayID Extension Block:
Version: 1.3
Extension Count: 0
Display Product Type: Extension Section
Video Timing Modes Type 1 - Detailed Timings Data Block:
DTD: 2560x1600 165.018764 Hz 16:10 285.812 kHz 777.410000 MHz (aspect 16:10, no 3D stereo, preferred)
Hfront 48 Hsync 32 Hback 80 Hpol N
Vfront 3 Vsync 6 Vback 123 Vpol N
Checksum: 0x37
Checksum: 0x90
=================Thank you very much for all your time and support! 
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#8 2025-11-06 08:36:12
- seth
- Member
- From: Don't DM me only for attention
- Registered: 2012-09-03
- Posts: 70,959
Re: amd / nvidia problems with HDMI
Both posts have only EDIDs for card2-eDP-2, but
https://www.nvidia.com/en-us/drivers/details/257493/
Fixed a bug that could cause some HDMI displays to remain blank after unplugging and re-plugging the display.
Fixed an issue that would prevent large resolution or high refresh rate modes like 7680x2160p@240hz from being available when using HDMI FRL or DisplayPort.
So watch out for the update.
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#9 2025-11-07 20:59:30
- TerraPrime
- Member
- Registered: 2025-11-01
- Posts: 5
Re: amd / nvidia problems with HDMI
I couldn’t wait, so I’ve just tested the current version (580.105.08) of the new NVIDIA drivers using the following command:
sudo sh -c 'echo -e "[extra-testing]\nInclude = /etc/pacman.d/mirrorlist\n[multilib-testing]\nInclude = /etc/pacman.d/mirrorlist\n\n[options]\nArchitecture = auto\nSigLevel = Required DatabaseOptional\n\n[core]\nInclude = /etc/pacman.d/mirrorlist\n[extra]\nInclude = /etc/pacman.d/mirrorlist\n[multilib]\nInclude = /etc/pacman.d/mirrorlist" > /tmp/pacman-nvidia-testing.conf && pacman -Sy --config /tmp/pacman-nvidia-testing.conf extra-testing/{nvidia-dkms,nvidia-utils,nvidia-settings,opencl-nvidia,libxnvctrl} multilib-testing/{lib32-nvidia-utils,lib32-opencl-nvidia}'Unfortunately, the drivers are not working properly at the moment.
When I connect my LG TV to the computer, the entire graphical environment crashes, and I can only access the system via TTY.
If I reboot, SDDM loads, but it doesn’t detect the LG TV at all.
Additionally, commands such as nvidia-smi do not work, and the NVIDIA GPU becomes completely unusable as long as the LG TV is connected.
I hope this bug will be fixed once the updated drivers reach the extra repository.
Until then, I’m rolling back from 580.105.08 to the older 580.82.09 drivers.
Offline
#10 2025-11-07 21:03:35
- seth
- Member
- From: Don't DM me only for attention
- Registered: 2012-09-03
- Posts: 70,959
Re: amd / nvidia problems with HDMI
You ran a partial update on the testing repo.
Pray that "pacman -Syu" still works or you'll have to fix the system offline.
Make absolutely sure to read https://wiki.archlinux.org/title/Offici … positories !
Also see https://bbs.archlinux.org/viewtopic.php?id=310035 - there might be other bugs in that driver 
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