Comments (4)
Thank you for the report.
Apparently you are running the Debian build for the Raspberry Pi. Video driver vc4 is using DRM and /sys in non-conformat ways. See for example, the the verbose output of detect, where /sys/class/drm/card1-HDMI-A-1/enabled reports "disabled" and /sys/class/drm/card1-HDMI-A-1/status reports "disconnected".
ddcutil 2.1.x makes increasing use of /sys so that libddcutil can detect dynamic display connection and disconnection, which is why you're seeing the errors. Unfortunately, this use will have to be reviewed to avoid the errors you are seeing while retaining functionality for drivers that do properly use DRM and /sys.
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Ok let me know if you'd like me to test a fix when you are able to
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@p1r473 I've made a couple changes that reduce the use of /sysfs for video drivers that may not use /sys properly. Let me know if they address your problem.
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@rockowitz Its working sometimes but I am also getting mostly error output
ddc.log
Failure retrieving DRM resources, errno=95=Operation not supported
and
Setting value failed for feature xD6, rc=DDCRC_RETRIES(-3007): maximum retries exceeded
Try errors: DDCRC_RETRIES
However it is now sort of actually working
Also an issue with interrogate
- it dumps the entire dir of my home folder. causing this massive 5mb log file
*** Extended dump of sysfs video devices for ARM architecture ***
Display devices: (class 0x03nnnn)
dirname: missing operand
Try 'dirname --help' for more information.
.:
total 166968
drwxr-xr-x 3 pi pi 4096 Apr 16 19:08 AAXtoMP3
drwxr-xr-x 3 pi pi 4096 Feb 12 15:33 absminitowerkit
drwxr-xr-x 3 pi pi 4096 Feb 12 15:33 Adafruit_LED_Backpack
-rwxr-xr-x 1 pi pi 1039 May 25 2021 adlists-deprecated.sh
-rwxr-xr-x 1 pi pi 2255 Dec 5 16:11 adlist-sequence.sh
drwxr-xr-x 3 pi pi 4096 Apr 26 15:48 almostontop
-rwxr-xr-x 1 pi pi 524 Jun 1 2021 android-otp-extractor.sh
drwxr-xr-x 4 pi pi 4096 Apr 26 17:05 ansiweather
drwxr-xr-x 5 pi pi 4096 May 6 15:57 archivemount
drwxr-xr-x 7 pi pi 4096 May 6 15:13 autojump
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