Re: kldload i915kms screen goes black

From: Emmanuel Vadot <manu_at_bidouilliste.com>
Date: Tue, 06 Dec 2022 07:53:10 UTC
On Mon, 05 Dec 2022 22:18:13 -0800
"Pat Maddox" <pat@patmaddox.com> wrote:

> On 5 Dec 2022, at 21:18, Takanori Watanabe wrote:
> 
> > On Mon, Dec 05, 2022 at 09:43:17PM -0800, Pat Maddox wrote:
> >> On 5 Dec 2022, at 20:55, Chen, Alvin W wrote:
> >>
> >>>>
> >>>> I have a newly-built system with an ASUS Prime Z590M-Plus and Intel
> >>>> 10900k
> >>>> with onboard graphics (UHD 630, according to intel).
> >>>>
> >>>> I specifically chose a 10th gen processor because I believed it was
> >>>> well-
> >>>> supported by 13.1+. Unfortunately I can?t even install 13.1
> >>>> (https://urldefense.com/v3/__https://forums.freebsd.org/threads/cant-
> >>>> install-i-just-get-a-little-white-box-and-a-mouse-
> >>>> cursor.87334/__;!!LpKI!iRRMC3ef9hbS1NKXTBUoIDxlVz9pU_m1Jocnzh2Tlxfd
> >>>> s5SnkbHHXEM4iKqU7weuEiObV8rfJXfY$ [forums[.]freebsd[.]org])
> >>>>
> >>>> I have successfully installed
> >>>> FreeBSD-14.0-CURRENT-amd64-20221201-d1f3abc89250-259495.
> >>>>
> >>>> When I run `kldload i915kms`, the screen just goes black.
> >>>>
> >>>> I have never used graphics before on FreeBSD, so I?m not sure 
> >>>> where
> >>>> to
> >>>> begin diagnosing. I did as much research as I could upfront, but 
> >>>> have
> >>>> run into
> >>>> this obstacle.
> >>>>
> >>>> I?ll be content to run 14.0-CURRENT because I can still create 
> >>>> 13.1
> >>>> jails.
> >
> > How about logging in from remote and load kernel module?
> > This is my example.
> > https://github.com/freebsd/drm-kmod/issues/159
> 
> When I do that, the screen still goes black, but kldload does return in 
> my remote terminal. This is in /var/log/messages: 
> https://gist.github.com/patmaddox/1a2b7bb8769cf1251beb514a9646a69e
> 

 Please try to boot with hw.dri.__drm_debug=0x1FF in loader.conf
 With only one screen, no dock if it's a laptop.
 If it's a desktop and you have multiple screen, please try with all
(especially if some are 4k/8k try with smaller resolution screen).

 Thanks,

-- 
Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>