Thread (2 messages) 2 messages, 2 authors, 2004-06-26

Re: /dev/fb device files are not created.

From: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Date: 2004-06-26 15:35:15

On Sat, 2004-06-26 12:58:25 +0200, Jaap van den Handel [off-list ref]
wrote in message [ref]:
I'm still working on the frame buffer driver for the vga solution my company  
has developed. I created a test program which prints the memory addresses.
Where's actual source code for that? What kind of device is that? PCI
based? Is it used on PCs? I've never ever seen that piece of hardware,
there's no pointer to hardware docs, not even a name for that device
so that anybody could google for it...
when I create the files manually, the vfb.o and our own driver both seem to 
return address 0x00000003 I think this cannot be ok.
Right, looks wrong. From all the data provided about the device and it's
driver, the best guess for a base address is to read
(BITS_PER_LONG == 32? 4: 8) bytes from /dev/random...
Is there somebody who knows what the problem might be?
Not until you put source code on the table and...
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Quest Innovations B.V.
drop this silly BS on publically accessible, web-archived mailing
lists:) If it's added to any email sent out from your company, maybe
you'd ask to officially use something like a @gmx.net based email
address for kernel development; if you're intending to build a
proprietary driver, don't expect too much help...

MfG, JBG

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