[Bug 3823] New: busybox fbset doesn't apply (but does parse!) modlines

bugzilla at busybox.net bugzilla at busybox.net
Sat Jun 4 06:31:15 UTC 2011


https://bugs.busybox.net/show_bug.cgi?id=3823

           Summary: busybox fbset doesn't apply (but does parse!) modlines
           Product: Busybox
           Version: 1.18.x
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
        AssignedTo: unassigned at busybox.net
        ReportedBy: ali_anwar at mentor.com
                CC: busybox-cvs at busybox.net
   Estimated Hours: 0.0


busybox doesn't provide a copy of /etc/fb.modes but if I have it available
somehow, there's a bug in busybox-$VER/util-linux/fbset.c where it IS parsing
/etc/fb.modes to find out what a modeline is and if it's listed, but it's not
applying it.

root at p1022ds:~# fbset

mode "1024x768-60"

D: 64.998 MHz, H: 48.362 kHz, V: 60.002 Hz
geometry 1024 768 1024 768 32
timings 15385 160 24 29 3 136 6
accel false
rgba 8/16,8/8,8/0,8/24
endmode
root at p1022ds:~# fbset 1024x768-70
root at p1022ds:~# fbset

mode "1024x768-60"

D: 64.998 MHz, H: 48.362 kHz, V: 60.002 Hz
geometry 1024 768 1024 768 32
timings 15385 160 24 29 3 136 6
accel false
rgba 8/16,8/8,8/0,8/24
endmode
root at p1022ds:~# fbset -xres 640 -yres 480 -t 39722 48 16 33 10 96 2
root at p1022ds:~# fbset

mode "640x480-60"

D: 25.175 MHz, H: 31.469 kHz, V: 59.940 Hz
geometry 640 480 1024 768 32
timings 39722 48 16 33 10 96 2
accel false
rgba 8/16,8/8,8/0,8/24
endmode
root at p1022ds:~#

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