Re: 2.4.0 bug: file /proc/dri 4 times in ls listing

From: Tigran Aivazian (tigran@veritas.com)
Date: Tue Jan 16 2001 - 04:26:50 EST


Hi Bobo,

To fix this just link in only the support that corresponds to your
hardware. The design of dri is such that (one could paraphrase) each
driver-specific part includes its own copy of what should be
"driver-independent shared dri_core engine" (e.g. proc handling stuff).

Fixing this requires either a new filesystem type (drifs) or
(simpler!) redesigning dri to separate common things into a separate
dri_core thing shared amongst them.

Regards,
Tigran

On Tue, 16 Jan 2001, Bobo Rajec wrote:

>
> Hi,
>
> I'm running kernel 2.4.0 on Redhat 7.0. I tried to get direct
> rendering running (it failed, but that's another story). Today I
> noticed something strange in /proc: dri appears there 4 times.
>
> ls /proc:
> ...
> -r--r--r-- 1 root root 0 Jan 16 08:57 dma
> dr-xr-xr-x 3 root root 0 Jan 16 08:57 dri
> dr-xr-xr-x 3 root root 0 Jan 16 08:57 dri
> dr-xr-xr-x 3 root root 0 Jan 16 08:57 dri
> dr-xr-xr-x 3 root root 0 Jan 16 08:57 dri
> dr-xr-xr-x 2 root root 0 Jan 16 08:57 driver
> ...
>
> Chdir /proc/dri/0 works fine:
>
> bobo:/proc/dri/0>ls
> bufs clients histo mem name queues vm vma
>
> No dri modules, everything is linked in (I know I don't need all of
> these, but I have lots of memory, so...).
>
> ...
> CONFIG_AGP=y
> CONFIG_AGP_INTEL=y
> CONFIG_AGP_I810=y
> CONFIG_AGP_VIA=y
> CONFIG_AGP_AMD=y
> CONFIG_AGP_SIS=y
> CONFIG_AGP_ALI=y
> CONFIG_DRM=y
> CONFIG_DRM_TDFX=y
> CONFIG_DRM_GAMMA=y
> CONFIG_DRM_R128=y
> CONFIG_DRM_I810=y
> CONFIG_DRM_MGA=y
> ...
>
> Regards,
> bobo
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