Pixelclock too high

["Georges Heinesch" <ghmlist%attglobal.com@localhost>]

I have a CV64/4 gfx-card.

When booting, I get the following message:

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[...]
grfcv: Pixelclock too high in mode 10
grfcv: Pixelclock too high in mode 11
grfcv: Pixelclock too high in mode 12
grfcv: Pixelclock too high in mode 13
grfcv: Pixelclock too high in mode 16
[...]
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Here te /etc/grfmodes:

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# 8-Bit Modes.
  1   32000000   640  480   8  640  656  720  840  480  481  484  500 default
  2   50000000   800  600   8  800  816  896 1056  600  601  604  625 default
  3   79000000  1024  768   8 1024 1040 1136 1312  768  769  772  800 default
  4   100000000 1152  870   8 1152 1184 1312 1456  870  873  876  915 default
  5   135000000 1152  900   8 1152 1184 1328 1576  900  903  906  945 default
  6   135000000 1280 1024   8 1280 1296 1440 1688 1024 1025 1028 1066 default
# 16-Bit Modes.
  7   32000000   640  480  16  640  656  720  840  480  481  484  500 default
  8   50000000   800  600  16  800  816  896 1056  600  601  604  625 default
  9   79000000  1024  768  16 1024 1040 1136 1312  768  769  772  800 default
  10  100000000 1152  870  16 1152 1184 1312 1456  870  873  876  915 default
  11  100000000 1152  900  16 1152 1184 1312 1456  900  903  906  945 default
  12  110000000 1280 1024  16 1280 1352 1480 1688 1024 1025 1026 1066 default
  13  108000000 1152  864  16 1152 1184 1312 1520  864  867  870  909 default
# 24-Bit Modes.
  14  32000000   640  480  24  640  656  720  840  480  481  484  500 default
  15  50000000   800  600  24  800  816  896 1056  600  601  604  625 default
  16  53000000  1024  768  24 1024 1048 1144 1208  768  769  772  789 default
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Indeed, the modes 10, 11, 12, 13, 16 are higher than the standard
CV64/4 modi, but they work fine on my system. Matthias SCheler told be
2 years ago:

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[...]
> How can I avoid those warnings during booting?

You have to compile a kernel with "options CV_AGGRESSIVE_TIMING".
[...]
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This was for an older kernel (1.2.x I believe). Is there no other
method to enable these modi than building a new kernel with
"CV_AGGRESSIVE_TIMING"?

BTW, it's a long time I haven't heard of Matthias.
Did he leave NetBSD?

TIA

-- 
Cu  Georges Heinesch, Luxembourg
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    http://www.geohei.lu
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... better do a good thing today, than a perfect thing tomorrow ...