The following two lines were on the console hundreds of times:
This is on a ASRockRack E3C246D4U2-2T bios version L2.44A
i2c-4 is:
Using this command:
I get this output:
Then in separate ssh connections, I ran
This revealed the following to be the culprit:
Then just for good measure, I ran this:
And after a few minutes of the log messages being totally quiet, this was identified as the culprit.
For my system, I am running ZFS, so the solution to quiet this permanently was to edit
First make a backup:
Then change old command line:
To new command line:
Then run proxmox-boot-tool:
And reboot.
After reboot the flood of both of those messages is gone.
Code:
EDID block 0 is all zeroes
i2c i2c-4: sendbytes: NAK bailout.This is on a ASRockRack E3C246D4U2-2T bios version L2.44A
i2c-4 is:
/sys/bus/i2c/devices/i2c-4: i915 gmbus dpbUsing this command:
Bash:
readlink -f /sys/class/drm/card[0-9]/device
for c in /sys/class/drm/card[0-9]-*; do printf '%-22s %-14s %s\n' "${c##*/}" "$(cat "$c/status")" "edid=$(stat -c%s "$c/edid" 2>/dev/null) bytes"; doneI get this output:
Code:
/sys/devices/pci0000:00/0000:00:1c.0/0000:05:00.0/0000:06:00.0
/sys/devices/pci0000:00/0000:00:02.0
card0-VGA-1 connected edid=0 bytes
card1-DP-1 disconnected edid=0 bytes
card1-DP-2 disconnected edid=0 bytes
card1-HDMI-A-1 disconnected edid=0 bytes
card1-HDMI-A-2 disconnected edid=0 bytes
card1-HDMI-A-3 disconnected edid=0 bytesThen in separate ssh connections, I ran
dmesg -W in one and the following list of commands, one by one, in the other:
Bash:
echo detect > /sys/class/drm/card0-VGA-1/status
echo detect > /sys/class/drm/card1-HDMI-A-1/status
echo detect > /sys/class/drm/card1-DP-1/status
echo detect > /sys/class/drm/card1-HDMI-A-2/status
echo detect > /sys/class/drm/card1-DP-2/status
echo detect > /sys/class/drm/card1-HDMI-A-3/statusThis revealed the following to be the culprit:
echo detect > /sys/class/drm/card1-HDMI-A-1/statusThen just for good measure, I ran this:
echo off > /sys/class/drm/card1-HDMI-A-1/statusAnd after a few minutes of the log messages being totally quiet, this was identified as the culprit.
For my system, I am running ZFS, so the solution to quiet this permanently was to edit
/etc/kernel/cmdlineFirst make a backup:
cp /etc/kernel/cmdline /root/cmdline.bakThen change old command line:
root=ZFS=rpool/ROOT/pve-1 boot=zfsTo new command line:
root=ZFS=rpool/ROOT/pve-1 boot=zfs video=HDMI-A-1:dThen run proxmox-boot-tool:
proxmox-boot-tool refreshAnd reboot.
After reboot the flood of both of those messages is gone.
