Re: Display Resolution Issue

Joshua Schmidlkofer <[email protected]> Wed, 07 Dec 2005 11:28:22 -0800
Newsgroups gmane.org.user-groups.linux.pdxlug
Message-ID <[email protected]>
> Section "Monitor"
>         Identifier      "Generic Monitor"
>         Option          "DPMS"
>         HorizSync       30-121
>         VertRefresh     48-160
> EndSection
> 
> 
> Following your advice I looked into the log file, and it states:
> 
> (II) VESA(0): Total Memory: 32 64KB banks (2048kB)
> (II) VESA(0): Generic Monitor: Using hsync range of 30.00-121.00 kHz
> (II) VESA(0): Generic Monitor: Using vrefresh range of 48.00-160.00 Hz
> (II) VESA(0): Not using mode "1280x1024" (no mode of this name)
> (II) VESA(0): Not using mode "1024x768" (no mode of this name)
> (--) VESA(0): Virtual size is 800x600 (pitch 800)
> (**) VESA(0):  Built-in mode "800x600"
> (**) VESA(0):  Built-in mode "640x480"
> (**) VESA(0):  Built-in mode "640x350"
> (--) VESA(0): Display dimensions: (400, 300) mm
> (--) VESA(0): DPI set to (50, 50)
> (II) VESA(0): Attempting to use 85Hz refresh for mode "800x600" (115)
> (II) VESA(0): Attempting to use 85Hz refresh for mode "640x480" (112)
> (II) VESA(0): Attempting to use 85Hz refresh for mode "640x350" (245)
> (**) VESA(0): Using "Shadow Framebuffer"
> 
> This leads me to believe that no such mode exists for 1280x1024 and
> 1024x768.  However, earlier in the log file (it is QUITE detailed), it
> loaded the 1280x1024 and 1024x768 modes.  Here's a snippet of one of them
> for 1024x768 (there were probably around 15 of these for all types of
> resolutions, multiple ones for each resolution):
> 
> Mode: 117 (1024x768)
>         ModeAttributes: 0xbb
>         WinAAttributes: 0x5
>         WinBAttributes: 0x3
>         WinGranularity: 64
>         WinSize: 64
>         WinASegment: 0xa000
>         WinBSegment: 0xa000
>         WinFuncPtr: 0xc0004b80
>         BytesPerScanline: 2048
>         XResolution: 1024
>         YResolution: 768
>         XCharSize: 8
>         YCharSize: 16
>         NumberOfPlanes: 1
>         BitsPerPixel: 16
>         NumberOfBanks: 1
>         MemoryModel: 6
>         BankSize: 0
>         NumberOfImages: 0
>         RedMaskSize: 5
>         RedFieldPosition: 11
>         GreenMaskSize: 6
>         GreenFieldPosition: 5
>         BlueMaskSize: 5
>         BlueFieldPosition: 0
>         RsvdMaskSize: 0
>         RsvdFieldPosition: 0
>         DirectColorModeInfo: 0
>         PhysBasePtr: 0xfc000000
> 
> I have no idea what this section is, but the title does include the
> resolution size.  Any idea on how to further identify why it is not
> recognizing the node name?  In case this is necessary, the monitor is a 21"
> Sony Trinitron connected through a KVM.
> 
> Thanks!
> 
> Kevin Williams

Kevin,

  please post your entire X config.  also, look into NOT using the VESA driver.   A.k.a. Can we use a more specific driver?


thanks,
  joshua
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