deb12 for amd64 can't start X
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Wrestler [Radeon HD 6250]
it's ok with deb12 for i386
i think "[KMS] drm report modesetting isn't supported" below offer clue
X.Org X Server 1.21.1.7
X Protocol Version 11, Revision 0
Current Operating System: Linux debian 6.1.0-13-amd64 #1 SMP
PREEMPT_DYNAMIC Debian 6.1.55-1 (2023-09-29) x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.1.0-13-amd64
root=UUID=93a45033-c9c9-4a73-8edf-304576bcc1a9 ro quiet
xorg-server 2:21.1.7-3 (https://www.debian.org/support)
Current version of pixman: 0.42.2
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Tue Dec 5 07:22:04 2023
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) [KMS] drm report modesetting isn't supported.
(EE)
Fatal server error:
(EE) no screens found(EE)
(EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
(EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
(EE)
(EE) Server terminated with error (1). Closing log file.
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error
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