Re: Device Driver Deleopment

From: Bob Pickles (BPICKLES_at_btconnect.com)
Date: 01/22/04

  • Next message: Mike Silbersack: "Updating callout_reset" 
    To: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
Date: Thu, 22 Jan 2004 21:38:13 -0000

    Poul

    I looked at other drivers and this has done the job... it installs now.

    I should have done this before.

    Many Thanks

    Bob
    ----- Original Message -----
    From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
    To: "Bob Pickles" <bpickles@sbs.com>
    Cc: <freebsd-arch@freebsd.org>
    Sent: Thursday, January 22, 2004 9:08 PM
    Subject: Re: Device Driver Deleopment

    > In message <018b01c3e12c$042b19d0$1d02a8c0@sdlbase>, "Bob Pickles" writes:
    > >Hi
    > >
    > >Looking for some help with FreeBSD 5.1, I am new to this but I am
    > >fairly quick to learn.
    > >
    > >Problem that I am having, is that in my device driver, it see's my PCI
    card, but when
    > >I call make_dev the system hangs, then resets.
    > >
    > >If I try to use mknod, then it fails also. Looked at the /dev mount and
    even devfs fails.
    > >Is there some form of protection here that I don't know about?
    > >How can I create a device on /dev?
    >
    > It sounds to me like you are calling make_dev() with wrong parameters,
    > all our other device drivers get this to work, so I suggest finding a
    > similar one and compare it to your own code.
    >
    > --
    > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
    > phk@FreeBSD.ORG | TCP/IP since RFC 956
    > FreeBSD committer | BSD since 4.3-tahoe
    > Never attribute to malice what can adequately be explained by
    incompetence.
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  • Next message: Mike Silbersack: "Updating callout_reset"

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