the lack of subdirectory support is a pitty.
it was a primary design goal in the previous devfs and its
disappearance caught me by surprise. (the support I mean)
On Wed, 15 Aug 2001, Andrew Kenneth Milton wrote:
> +-------[ Poul-Henning Kamp ]----------------------
> | In message <[EMAIL PROTECTED]>, Andrew Kenneth Milton
> | writes:
> | >+-------[ Greg Lehey ]----------------------
> | >|
> | >
> | >[snip]
> | >
> | >| whether it's been fixed. Basically, devfs as supplied in CURRENT had
> | >| a 16 character limit on device names, and it didn't understand
> | >| subdirectories: it treated the / as a part of the device name.
> | >
> | >The subdir part bit me about a week ago, so I'd say it's still not fixed.
> |
> | This is absolutely news to me. I'm pretty sure that you will find
> | that /dev/fd[012] exists on your system and that it was created using
> | '/' in make_dev calls...
>
> This I saw, but, I had no idea how this was done.. I've been in a flu induced
> coma of late, so I didn't really search too hard to be completely honest..
>
> |
> | More details on this bug are most welcome.
>
> The problem turns up most violently within the XFree86 DRI Module, since
> it now uses make_dev, and not mknod as it used to.
>
> The DRI Module first attempts to mkdir /dev/dri/, and then for each card
> it supports attempts to use make_dev(9) on dri/card%d (0-whatever), I've
> only got one card, so for me dri/card0.
>
> Loading the DRI module causes an instant panic (which I think is actually
> caused by DRI, not DEVFS, it's still quite inconvenient).
>
> The same module works fine with a 'regular' /dev/
>
> Assuming that the mkdirs were failing on /dev/ with DEVFS I made a symlink
> in rc.devfs for /dev/dri -> /usr/dev/dri (that's how I found the bug with
> directory targets of symlinks being treated as symlinks...). This still
> caused the panic (which is sort of understandable since /usr/dev/ isn't in
> /dev/).
>
> I remove the mkdirs and simply use make_dev on dri_card0 instead of dri/card0,
> everything works like a charm. Using mknod also used to work fine with the
> symlink and DEVFS.
>
> --
> Totally Holistic Enterprises Internet| | Andrew Milton
> The Internet (Aust) Pty Ltd | |
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