drm-kmod kills FreeBSD
Ihor Antonov
ihor at antonovs.family
Thu Jan 21 00:35:50 UTC 2021
On 1/20/21 4:26 PM, Chris Hill wrote:
> Hello, list.
>
> This is a head-scratcher for me; any help or clues will be most welcome.
>
> I had been running xorg on 12.2-R [1], but recently had a disk failure
> and had to reinstall. Although I (thought I had!) kept meticulous notes,
> the onboard Intel UHD 630 graphics are just not happening. [2] Note, I'm
> not even to the point of attempting to start X; I'm just trying to get
> the system to boot and recognize the onboard graphics.
>
> I've installed both drm-kmod-g20190710 and
> drm-fbsd12.0-kmod-4.16.g20201016 (not at the same time) [3], and put
> kld_list="/boot/modules/i915kms.ko" in /etc/rc.conf, as instructed.
>
> When I boot the system like that, it appears to hang partway through the
> console boot messages. The screen goes blank, and the network interface
> becomes unresponsive. The remedy is a hard shutdown from the power
> button, boot from a memstick and remove the offending line from rc.conf.
> I get the same result from `kldload /boot/modules/i915kms.ko`.
>
> I *think* it's hanging in the neighborhood of loading drm; a dmesg I
> saved from a pre-failure successful boot has lines like
> drmn0: <drmn> on vgapci0
> and
> [drm] Connector DP-1: get mode from tunables:
> ...where we currently see none of that.
>
> Thanks very much.
>
>
> [1] The hardware is a Dell Precision 3630 tower workstation. The OS is a
> fresh install, with freebsd-update applied just after.
> $ uname -mvU
> FreeBSD 12.2-RELEASE-p1 GENERIC amd64 1202000
>
> [2] The graphics system appears thus in the output of `pciconf -lv`:
> vgapci0 at pci0:0:2:0: class=0x030000 card=0x08711028 chip=0x3e928086
> rev=0x00 hdr=0x00
> vendor = 'Intel Corporation'
> device = 'UHD Graphics 630 (Desktop)'
> class = display
> subclass = VGA
>
> [3] As of this writing, I have
> $ pkg info
> drm-fbsd12.0-kmod-4.16.g20201016 DRM modules for the linuxkpi-based KMS
> components
> gpu-firmware-kmod-g20201213 Firmware modules for the linuxkpi-based
> KMS components
> pkg-1.16.1 Package manager
>
I'd recommend posting this in freebsd-x11 at freebsd.org[2] mailing list
You can find other ways to contact X11 team on their wiki page [1]
[1] https://wiki.freebsd.org/Graphics
[2] https://lists.freebsd.org/mailman/listinfo/freebsd-x11
Ihor
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