flaky resolution and aspect ratio

[Steve]

On Sat, 03 Apr 2010 23:23:36 +0100, Thufir <hawat.thufir at gmail.com> wrote:

> I'm not entirely sure of the resolution settings, but they're flaky.
> Quite often the aspect ratio seems off like when they broadcast old
> movies for tv the image is stretched vertically (or, like viewing HD tv
> on regular tv).  Often logging out will fix the problem by, I presume,
> restarting x windows.
>
> How do I log or capture this?  I suppose I can grab a screenshot, but
> surely in dmesg or similar there would be an event along the lines of
> "not detecting video card correctly, trying defaults..." (assuming that
> to be the source of the problem).
>
> I don't see how it's a matter of changing the screen resolution in X
> windows, since quite often, the resolution and aspect ratio are fine.
> Perhaps it's flaky hardware?
>
> Or, maybe a driver that's not always loading correctly?  Although that
> would be inconsistent with logging out fixing the problem.  A few days
> ago logging out and logging back in stopped fixing it, and it's annoying,
> anyhow.
>
>
>
> thufir at ARRAKIS:~$
> thufir at ARRAKIS:~$ lspci
> 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 661FX/M661FX/M661MX
> Host (rev 11)
> 00:01.0 PCI bridge: Silicon Integrated Systems [SiS] SiS AGP Port
> (virtual PCI-to-PCI bridge)
> 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS964 [MuTIOL Media
> IO] (rev 36)
> 00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev
> 01)
> 00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS]
> AC'97 Sound Controller (rev a0)
> 00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.1
> Controller (rev 0f)
> 00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.1
> Controller (rev 0f)
> 00:03.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.1
> Controller (rev 0f)
> 00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0
> Controller
> 00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI
> Fast Ethernet (rev 91)
> 00:05.0 IDE interface: Silicon Integrated Systems [SiS] RAID bus
> controller 180 SATA/PATA  [SiS] (rev 01)
> 00:09.0 Ethernet controller: D-Link System Inc RTL8139 Ethernet (rev 10)
> 01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS]
> 661/741/760 PCI/AGP or 662/761Gx PCIE VGA Display Adapter
> thufir at ARRAKIS:~$
> thufir at ARRAKIS:~$ nl /etc/X11/xorg.conf
>      1	# xorg.conf (X.Org X Window System server configuration file)
>      2	#
>      3	# This file was generated by dexconf, the Debian X Configuration
> tool, using
>      4	# values from the debconf database.
>      5	#
>      6	# Edit this file with caution, and see the xorg.conf manual page.
>      7	# (Type "man xorg.conf" at the shell prompt.)
>      8	#
>      9	# This file is automatically updated on xserver-xorg package
> upgrades *only*
>     10	# if it has not been modified since the last upgrade of the
> xserver-xorg
>     11	# package.
>     12	#
>     13	# Note that some configuration settings that could be done
> previously
>     14	# in this file, now are automatically configured by the server
> and settings
>     15	# here are ignored.
>     16	#
>     17	# If you have edited this file but would like it to be
> automatically updated
>     18	# again, run the following command:
>     19	#   sudo dpkg-reconfigure -phigh xserver-xorg
>    20	Section "Device"
>     21		Identifier	"Configured Video Device"
>     22	EndSection
>    23	Section "Monitor"
>     24		Identifier	"Configured Monitor"
>     25	EndSection
>    26	Section "ServerFlags"
>     27	        Option          "DontZap"               "false"
>     28	EndSection
>    29	Section "Screen"
>     30		Identifier	"Default Screen"
>     31		Monitor		"Configured Monitor"
>     32		Device		"Configured Video Device"
>     33	EndSection
> thufir at ARRAKIS:~$
>
>
>
> Also, I tried to disable dontZap, but it still doesn't seem to work.
>
>
>
> -Thufir
>
> (upgrading, but doubtful that this will fix the problem)
>
>
Hmmmm SiS

Have a look at SiS on Linux  
http://ncc-1701a.homelinux.net/~linux-sis/index.php?page=FrontPage

-- 
Steve (Yorvyk)
http://www.lubuntu.net