Re: How do I get a /dev/fb0 from my Hercules Kyro?

From: Hendrik Boom (hendrik_at_pooq.com)
Date: 07/29/05

  • Next message: Daniel Ramaley: "CD problem: hardware or software?" 
    Date: Fri, 29 Jul 2005 09:15:50 -0400
To: debian-user@lists.debian.org

    On Fri, Jul 29, 2005 at 01:42:51PM +0100, Wackojacko wrote:
    > >I'm one of those poor wretches with a Hercules Prophet Kyro
    > >PCI video card on an aging 233 MHz Pentium. the one that isn't
    > >VESA, or even VGA, but EGA (remember those?). I found a report
    > >dated 2002 that someone got such a setup to work with
    > >the framebuffer driver fbdev (though of course no acceleration)
    > >and tried configuring my x server accordingly.
    > >All went well, until, when I ran startx, the message
    > >
    > >(EE) open /dev/fb0: No such device
    > >
    > >Of course there is a /dev/fb0 *file*. Presumably I am missing
    > >some kernel option or module that would actually *implement*
    > >the behaviout of this device. Anyone know where to find it?
    > >
    > >Now I'm pretty sure that *someone*, *somewhere* knows how to
    > >make these cards work at least a little: when I had Mandrake on
    > >the machine, it did a pretty graphic display durung boot time,
    > >but when it finished booting, it switched to a text console,
    > >and I never managed to get X to work. It was frustrating not to
    > >get the level of performance out of it that the boot-up display
    > >provided.
    > >
    > >-- hendrik
    >
    > Have you checked the permissions on the dev/fb0 file. I had a similar
    > problem with /dev/input/js* and it turned out to have the wrong permissions
    > (600 instead of 660).

    ls -l /dev/fb0 gives:

    crw-rw---- 1 root video 29, 0 2005-07-09 07:03 /dev/fb0

    And I checked -- I am a member of the video group.
    So I suspect the /dev file is OK, but I am missing some kernel driver.
    Is there any documentation anywhere which drivers support which /dev files?

    This machine could be a decent X-terminal (ceratinly better than the one
    I used at work fifteen years ago) if I could only get this frame buffer
    to work.

    -- hendrik 

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