Lock up does not occur with Vesa driver.
--- simon@bourne:~$ xrandr --verbose -q -d :0 Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024 VGA-0 disconnected (normal left inverted right) Identifier: 0x44 Timestamp: 1684606022 Subpixel: no subpixels Clones: CRTCs: 0 1 load_detection: 1 (0x00000001) range: (0,1) LVDS connected 1024x768+0+0 (0x46) normal (normal left inverted right) 0mm x 0mm Identifier: 0x45 Timestamp: 1684606022 Subpixel: horizontal rgb Clones: CRTC: 0 CRTCs: 0 scaler: full backlight: 255 (0x000000ff) range: (0,255) 1024x768 (0x46) 65.0MHz h: width 1024 start 1040 end 1176 total 1344 skew 0 clock 48.4KHz v: height 768 start 770 end 776 total 806 clock 60.0Hz 1024x768 (0x47) 65.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 800x600 (0x48) 40.0MHz +HSync +VSync h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz v: height 600 start 601 end 605 total 628 clock 60.3Hz 640x480 (0x49) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 59.9Hz ---
Lock up does not occur with Vesa driver.
---
load_detection : 1 (0x00000001) range: (0,1)
scaler: full
simon@bourne:~$ xrandr --verbose -q -d :0
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024
VGA-0 disconnected (normal left inverted right)
Identifier: 0x44
Timestamp: 1684606022
Subpixel: no subpixels
Clones:
CRTCs: 0 1
LVDS connected 1024x768+0+0 (0x46) normal (normal left inverted right) 0mm x 0mm
Identifier: 0x45
Timestamp: 1684606022
Subpixel: horizontal rgb
Clones:
CRTC: 0
CRTCs: 0
backlight: 255 (0x000000ff) range: (0,255)
1024x768 (0x46) 65.0MHz
h: width 1024 start 1040 end 1176 total 1344 skew 0 clock 48.4KHz
v: height 768 start 770 end 776 total 806 clock 60.0Hz
1024x768 (0x47) 65.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
800x600 (0x48) 40.0MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
640x480 (0x49) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 59.9Hz
---