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[213.238.210.122]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5aa7b8ed90csm3534703e87.7.2026.06.07.22.15.18 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 07 Jun 2026 22:15:18 -0700 (PDT) Content-Type: multipart/alternative; boundary="------------jgPTqjhz6JYZzaSbJQH7bzSe" Message-ID: <1ea61b47-f518-45af-8a0b-16a49948f138@gmail.com> Date: Mon, 8 Jun 2026 07:15:17 +0200 List-Id: X11 List-Archive: https://lists.freebsd.org/archives/freebsd-x11 List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-x11@freebsd.org Sender: owner-freebsd-x11@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Lost hardware acceleration from >=drm-515-kmod for Cherryview and Valleyview i915kms Content-Language: sv Reply-To: raggen@raggens.net References: <37b394a7-a315-4359-8a73-bb4195784d95@gmail.com> To: freebsd-x11@freebsd.org From: Roger Olofsson In-Reply-To: <37b394a7-a315-4359-8a73-bb4195784d95@gmail.com> X-Forwarded-Message-Id: <37b394a7-a315-4359-8a73-bb4195784d95@gmail.com> X-Spamd-Result: default: False [-3.96 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.96)[-0.962]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20251104]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4864::/56:c]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_TLS_LAST(0.00)[]; REPLYTO_DOM_NEQ_FROM_DOM(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::230:from]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; RCVD_COUNT_TWO(0.00)[2]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; REPLYTO_DOM_NEQ_TO_DOM(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-x11@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-x11@freebsd.org]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; HAS_REPLYTO(0.00)[raggen@raggens.net] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4gYgGf3jftz3G5F This is a multi-part message in MIME format. --------------jgPTqjhz6JYZzaSbJQH7bzSe Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hello Adding another tidbit. This is not exactly the same scenario as the Xorg.0.log. It's a feeble attempt to catch what happens with /usr/local/libexec/Xorg when it runs. This is the output from 14.1-RELEASE with drm-515-kmod. After unsuccesful boot in console logged in as root running "lldb /usr/local/libexec/Xorg" says: (==) Log file: "/var/log/Xorg.0.log". Time: Sun Jun 7 23:34:41 2026 (==) Using system config directory "/usr/local/share/X11/xorg.conf.d" scfb trace: probe start scfb trace: probe done Process 1583 stopped * thread #1, name = 'Xorg', stop reason = signal SIGABRT frame #0: 0x000000082ae3c10a libc.so.7 __sys_thr_kill +10 -> 0x82ae3c10a <+10>: jb 0x82ae3c110 <+16>: retq 0x82ae3c111 int3 0x82ae3c112 int3 (lldb) Stopping sddm. /Roger Den 2026-06-07 kl. 15:06, skrev Alexey Dokuchaev: > On Sun, Jun 07, 2026 at 02:42:13PM +0200, Roger Olofsson wrote: >> Hello everyone! >> >> [...] >> >> On a 14.1-RELEASE with drm-510-kmod the hardware acceleration works. >> On same 14.1-RELEASE with drm-515 the hardware acceleration does not >> work. > Hello Roger, > > This is not surprising: Linux code only regresses with time and higher > version numbers. If you must use Linux code (as we all are with DRM) > my best advice is to stick to the lowest version which works. > >> I am aware that 14.1 is an unsupported system but it's the last known >> RELEASE that is supported by drm-510-kmod. Also drm-510-kmod is about >> to vanish, it's clinging in ports 2026Q2. > Nothing prevents you to checkout drm-510-kmod after its removal and keep > using it during the 14.x timeline. HTH, > > ./danfe --------------jgPTqjhz6JYZzaSbJQH7bzSe Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

Hello


Adding another tidbit. This is not exactly the same scenario as the Xorg.0.log. It's a feeble attempt to catch what happens with /usr/local/libexec/Xorg when it runs.

This is the output from 14.1-RELEASE with drm-515-kmod. After unsuccesful boot in console logged in as root running "lldb /usr/local/libexec/Xorg" says:

(==) Log file: "/var/log/Xorg.0.log". Time: Sun Jun 7 23:34:41 2026
(==) Using system config directory "/usr/local/share/X11/xorg.conf.d"
scfb trace: probe start
scfb trace: probe done
Process 1583 stopped
* thread #1, name = 'Xorg', stop reason = signal SIGABRT
frame #0: 0x000000082ae3c10a libc.so.7 __sys_thr_kill +10
-> 0x82ae3c10a <+10>: jb
0x82ae3c110 <+16>: retq
0x82ae3c111 int3
0x82ae3c112 int3
(lldb) Stopping sddm.

/Roger

Den 2026-06-07 kl. 15:06, skrev Alexey Dokuchaev:
On Sun, Jun 07, 2026 at 02:42:13PM +0200, Roger Olofsson wrote:

Hello everyone!

[...]

On a 14.1-RELEASE with drm-510-kmod the hardware acceleration works.
On same 14.1-RELEASE with drm-515 the hardware acceleration does not
work.

Hello Roger,

This is not surprising: Linux code only regresses with time and higher
version numbers.  If you must use Linux code (as we all are with DRM)
my best advice is to stick to the lowest version which works.


I am aware that 14.1 is an unsupported system but it's the last known
RELEASE that is supported by drm-510-kmod. Also drm-510-kmod is about
to vanish, it's clinging in ports 2026Q2.

Nothing prevents you to checkout drm-510-kmod after its removal and keep
using it during the 14.x timeline.  HTH,

./danfe


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