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Re: toshiba video problem



I found this:
<https://support.dynabook.com/support/staticContentDetail?contentId=638291&isFromTOCLink=false>

If this matches your laptop, the native display resolution is 1440x900, which
should be what we are shooting to acquire by our efforts. If this is not a match,
please provide your display specifications, if not the whole laptop's, so we can
be sure what we are trying isn't wasted effort. Judging from the log, the display
seems to be a 1024x768, which for most people nowadays is a fallback resolution
resulting from broken driver configuration.

Noah Sombrero composed on 2022-04-03 18:04 (UTC-0400):

> But here is the content of that log file

I saved it, removed the wraps, and uploaded it in case anyone else cares to see it
as it probably originated:
<https://paste.debian.net/1236714/>

> root=UUID=618bff41-43d2-4667-b963-08cbb5b28932 ro all_generic_ide=1 quiet

I've never seen all_generic_ide=1 before. Searching the internet it seems very
likely to be obsolete. The newest hit I noticed is over 10 years old. It does not
appear in:
https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt
Consequently, unless you somehow know you need it, I suggest removing it, so that
the kernel and IRQ population are not burdened by any possible undesirable
effect(s) on I/O.

> [    77.837] (II) NOUVEAU(0): EDID (in hex):
> [    77.837] (II) NOUVEAU(0):   00ffffffffffff002e0d000000000000
> [    77.837] (II) NOUVEAU(0):   0409010280000000e200000000000000
> [    77.837] (II) NOUVEAU(0):   00000000080001010101010101010101
> [    77.837] (II) NOUVEAU(0):   01010101010164190040410026301888
> [    77.837] (II) NOUVEAU(0):   36000000000000180000000000000000
> [    77.837] (II) NOUVEAU(0):   00000000000000000000000000000000
> [    77.837] (II) NOUVEAU(0):   00000000000000000000000000000000
> [    77.837] (II) NOUVEAU(0):   000000000000000000000000000000ff

I've never seen so many zero's in EDID before. It, along with your offset problem,
makes me suspicious that it's broken.

I suggest to try saving as /etc/X11/xorg.conf.d/50-monitor.conf, the following,
containing rather generic sync & refresh specs[1]:

Section "Monitor"
	Identifier	"DefaultMonitor"
	VendorName	"Toshiba"
	ModelName	"p25s509"
	HorizSync	30-81
	VertRefresh	59-61
	Option	"PreferredMode"	"1440x900"
EndSection

After restarting Xorg or rebooting, if the results aren't to your liking, upload
Xorg.0.log somewhere, somehow, without wrapping - or, attach the log to your
email. Please do not copy and paste unless you also disable your emailer's
automatic line wrapping functionality.

Meanwhile if you wish while waiting on a response, remove the file, start X as you
normally would, open a terminal, and try changing refresh and/or modes using man
xrandr and xrandr. You may find a combination that correctly centers.

[1] If you manage to collect your display's actual sync and refresh specs, through
hwinfo or otherwise, please substitute them.
-- 
Evolution as taught in public schools is, like religion,
	based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata


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