On 1/14/21 3:02 PM, Kay Schenk wrote: > On 1/10/21 9:40 PM, Anthony K wrote: >> On 11/1/21 8:33 am, Kay Schenk wrote: >>> >>> . . . >>> >>> From messages I've seen on this problem, the lack of >>> >>> /dev/dri/card0 >>> >>> is the crux of the issue but I have NO idea of how it gets created. >>> >>> So, right now I'm stuck at a default resolution of 1024 x 768 >>> >>> Thanks for any help. >>> >> Sure sounds like an Optimus [0] issue. This plagued me for a long >> time on Ubuntu (back in the 12-16 releases) but seems to be all >> sorted now. Try disabling the NVIDIA card in the BIOS and see if you >> are at least able to use higher resolutions via the built-in GPU. >> >> [0]: https://forums.centos.org/viewtopic.php?t=72534 > > > Back again...I've taken a look at the CentOS forum thread but it > doesn't directly address my problem > > OK, the problem is absolutely positively that the intel i915 module is > not able to load at boot time...re DMESG (I did finally get the sound > to work with appropriate firmware) > > [ 78.597678] sof-audio-pci 0000:00:1f.3: init of i915 and HDMI codec > failed > > other exploration showed me my system set up Intel as default VGA (or > not?) > > lspci | grep VGA > > 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 > (Mobile) > 01:00.0 VGA compatible controller: NVIDIA Corporation TU117GLM [Quadro > T1000 Mob > > grep . /sys/bus/pci/devices/{0000:00:02.0,0000:01:00.0}/boot_vga > > /sys/bus/pci/devices/0000:00:02.0/boot_vga:1 > /sys/bus/pci/devices/0000:01:00.0/boot_vga:0 > > my kernel line is: > > GRUB_CMDLINE_LINUX="resume=UUID=a8b2287c-2f04-4447-a88f-52a8fa3439b5 > nomodeset" > > > Command : lshw -c video > > shows both cards unclaimed but NVIDIA first ???? ... > > Should I manually load this module at boot time? Does anyone know WHY > the i915 won't load at boot? > > With 8.2 on this same machine, the Intel graphics was loaded. Finally resolved -- YAY! Using info from a reply by Christian Labisch <https://access.redhat.com/user/13851731> on a Red Hat discussion thread. Using the |i915.alpha_support=1| |parameter on my kernel line. And, I removed the "nomodeset". I have not done anything about "nouveau" or my NVIDIA card yet. | |ref: https://access.redhat.com/discussions/3410491 | > > >> >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos > -- ------------------------------------- "Don't let anyone dull your sparkle." MzK