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Date:      Wed, 15 May 2024 21:37:56 +0300
From:      Rostislav Krasny <rosti.bsd@gmail.com>
To:        Warner Losh <imp@bsdimp.com>
Cc:        freebsd-stable <freebsd-stable@freebsd.org>
Subject:   Re: [14.1-BETA2] Cannot run any Desktop Environment
Message-ID:  <CANt7McFPuqRWWWomWdU4kXBcqWS4aOjOvN-zRnySixRUFtJt4g@mail.gmail.com>
In-Reply-To: <CANCZdfp5VzwJYRNVXtL7%2B=qmrCqZ6TroO2rrrok7xf7m-Gvjdw@mail.gmail.com>
References:  <CANt7McF_H0izwB11f5x7ZrCduQ78_1KHXvDxQgG=-SovSo6ATw@mail.gmail.com> <CANt7McEzi70p_AY0waWRD3zrPn4%2BgZqLFJfB_jan7acYBvys%2BQ@mail.gmail.com> <CANt7McEFg8ajyaNEe4QgwDs4E7ewomLeFLfedUdWGn2Ee0oW-w@mail.gmail.com> <CANt7McEGWTJo3r%2BL0PxkiOM2XDcjXsomw%2BaSy%2Bs=9_XQXti7CQ@mail.gmail.com> <CANCZdfqYEp0YtxtGsPrDBd0k0Nz5y_GiphOsDFzayDTjCtYpdw@mail.gmail.com> <CANt7McHMbV6%2B8aVNKNubXMGbtKOgTuQn-przAtp_KueHY8Y80g@mail.gmail.com> <CANCZdfp5VzwJYRNVXtL7%2B=qmrCqZ6TroO2rrrok7xf7m-Gvjdw@mail.gmail.com>

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On Tue, May 14, 2024 at 9:20=E2=80=AFPM Warner Losh <imp@bsdimp.com> wrote:
>
> On Tue, May 14, 2024 at 8:46=E2=80=AFAM Rostislav Krasny <rosti.bsd@gmail=
.com> wrote:
>>
>> On Tue, May 14, 2024 at 5:39=E2=80=AFPM Warner Losh <imp@bsdimp.com> wro=
te:
>> >
>> > On Tue, May 14, 2024, 8:34=E2=80=AFAM Rostislav Krasny <rosti.bsd@gmai=
l.com> wrote:
>> >>
>> >> If anybody is interested, there seems to be a serious issue in either
>> >> the intel video driver or in the kernel that interacts with that
>> >> driver. All this could be related to sound through the integrated
>> >> Intel HD 4600 video controller. Desktop Environments like Cinnamon an=
d
>> >> LXQT use PulseAudion that probably triggers this issue constantly in
>> >> the driver and/or in the kernel. Other DEs like XFCE work better only
>> >> because they don't need PulseAudio and only when PulseAudio is not
>> >> installed. There is a scenario to trigger this issue in the XFCE
>> >> without PulseAudio installed, though.
>> >>
>> >> For more information, logs and reproduce scenarios please read my
>> >> messages in the following 278930 bug report:
>> >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D278930
>> >>
>> >> Hope this will be fixed in the FreeBSD 14.1 final release.
>> >
>> >
>> > Is that with packages? What happens if you build drm-kmod from src?
>>
>> Yes I installed drm-kmod from packages by the 'pkg install drm-kmod'
>> command and then added "i915kms" into the "kld_list" inside
>> /etc/rc.conf
>> I can try to build drm-kmod from src but why you suspect the result
>> could be different?
>
>
> Because while we're pretty good about binary compatibility between
> 14.0 and 14.1, the kernel side of that is weak. In the past, this has cau=
sed
> weird problems, not unlike what you're seeing. If you build from source
> and it works, then we'll know it's that issue, and not something else.

It fails differently with locally built drm-kmod. I wrote about that
in the bug report comment #8:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D278930#c8

How I built drm-kmod:

1. download and extract src.txz and ports.txz from the 14.1-BETA2
amd64 folder at FreeBSD FTP server
2. cd /usr/ports/graphics/drm-kmod && make install



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