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Date:      Tue, 04 Aug 2026 20:50:13 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   [Bug 293351] radeonkms is not working
Message-ID:  <bug-293351-7141-RIGQvoK8GC@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-293351-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293351

--- Comment #7 from Artem Kim <prjanica@yandex.ru> ---
(In reply to Alexey Dokuchaev from comment #6)

I'm sorry, I thought it reads the response from the device automatically. I use
the vesa driver for temporary bypass. x-org cannot use the native monitor
resolution and uses 720x400.
> xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 720 x 400, current 720 x 400, maximum 720 x 400
default connected primary 720x400+0+0 0mm x 0mm
   720x400        0.00*

the mode definition in xorg.conf is ignored.

        Modeline        "1920x1200"     154.00  1920 1968 2000 2080  1200 1203
1209 12
35 +hsync -vsync



> cat data | edid-decode -n
. . .
      Monitor ranges (GTF): 50-100 Hz V, 30-130 kHz H, max dotclock 300 MHz
    Display Product Name: 'HP 524pn'
    Display Product Serial Number: 'CN45100H4K'
  Extension blocks: 1
Checksum: 0x33

----------------

Native Video Resolution:
  1920x1200

> cat /var/log/Xorg.0.log

...
[ 23402.809] (II) VESA(0): Monitor name: HP 524pn
[ 23402.809] (II) VESA(0): Serial No: CN45100H4K
[ 23402.809] (II) VESA(0): Number of EDID sections to follow: 1
[ 23402.809] (II) VESA(0): EDID (in hex):
[ 23402.809] (II) VESA(0):      00ffffffffffff00220e513a00000000
[ 23402.809] (II) VESA(0):      0a230103803420782a8e35ad514ba125
[ 23402.809] (II) VESA(0):      0d5054a54b00d1c0a9c08100b3009500
[ 23402.809] (II) VESA(0):      d100a9408180283c80a070b023403020
[ 23402.809] (II) VESA(0):      360006442100001a000000fd0032641e
[ 23402.809] (II) VESA(0):      821e000a202020202020000000fc0048
[ 23402.809] (II) VESA(0):      5020353234706e0a20202020000000ff
[ 23402.809] (II) VESA(0):      00434e343531303048344b0a20200133
[ 23402.809] (II) VESA(0): EDID vendor "HPN", prod id 14929
[ 23402.809] (II) VESA(0): Using EDID range info for horizontal sync
[ 23402.809] (II) VESA(0): Using EDID range info for vertical refresh
[ 23402.809] (II) VESA(0): Printing DDC gathered Modelines:
[ 23402.809] (II) VESA(0): Modeline "1920x1200"x0.0  154.00  1920 1968 2000
2080  1200 1203 1209 1235 +hsync -vsync (74.0 kHz eP)
...

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