Public bug reported:
$ fbset 768x576-75
ioctl FBIOPUT_VSCREENINFO: Invalid argument
And the same happens with all other modes
defined in /etc/fb.modes
The problem seems to be that KMS fbcon does
not accept the pixclock parameter, which is
the first parameter in a "timings" string.
Changing it to 0 for all modes makes them to
work, albeit w/o actual resizing. The image
then just occupies the upper-left corner of
the screen. But its still better than the
complete failure.
I suppose also other timing params are not
supported. At least if you run fbset w/o
parameters, it will display all timing params
set to zero.
So I think zeroing "timings" for all modes
in /etc/fb.modes will help with KMS.
Additionally, please add the 1920x1080 mode,
its currently missing.
** Affects: fbset (Ubuntu)
Importance: Undecided
Status: New
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Touch seeded packages, which is subscribed to fbset in Ubuntu.
https://bugs.launchpad.net/bugs/1749443
Title:
ioctl FBIOPUT_VSCREENINFO: Invalid argument
Status in fbset package in Ubuntu:
New
Bug description:
$ fbset 768x576-75
ioctl FBIOPUT_VSCREENINFO: Invalid argument
And the same happens with all other modes
defined in /etc/fb.modes
The problem seems to be that KMS fbcon does
not accept the pixclock parameter, which is
the first parameter in a "timings" string.
Changing it to 0 for all modes makes them to
work, albeit w/o actual resizing. The image
then just occupies the upper-left corner of
the screen. But its still better than the
complete failure.
I suppose also other timing params are not
supported. At least if you run fbset w/o
parameters, it will display all timing params
set to zero.
So I think zeroing "timings" for all modes
in /etc/fb.modes will help with KMS.
Additionally, please add the 1920x1080 mode,
its currently missing.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/fbset/+bug/1749443/+subscriptions
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