[mythtv-users] Via CLE266 (via-slice) HW acceleration problems(segfault)

Kenneth Aafl°y lists at kenneth.aafloy.net
Wed Jun 30 11:58:16 EDT 2004


On Wednesday 30 June 2004 17:04, Ivan A. Beveridge wrote:
> On Wed, Jun 30, 2004 at 03:50:01PM +0200, Kenneth Aafl°y wrote:
> > I'm using the binary driver that used to be available here on my debian
> > box: http://www.shipmail.org/~thomas/via/#mozTocId80931
>
> Ah - I think you mean via_dri (rather than via_v4l_drv)? That is the one
> I'm using at the moment.

I meant via_drv for XFree, the main display driver.

> No, it doesn't. I've changed the XF86-Config to what is mentioned on the
> above page (which meant me re-enabling the "v4l" and "drm" X modules),
> but I still didn't get the above line.
>
> Update: I downloaded and used the via_drv.o that also came from the
> above URL (I was using the one that came with debian), and I now _do_
> get a mention of VIAScreenInit. It may help with the investigation, but
> is not the right answer ;)
>
> =====================================
> (EE) VIA(0):  Couldn't open "/dev/video2"
> VIAScreenInit : V4L Disabled : fd = -1
[snip]

Now XFree should be ready.

> I've not investigated any v4l stuff before. However, this implies a
> problem:
>
> =====================================
> video:/root# v4l-info /dev/video2
> open /dev/video2: No such device
> =====================================
>
> I have tried with /dev/video from 0 to 7, and all give the same error.
>
> Currently I have loaded agpgart, via_agp, via, via_v4l_drv, etc, in
> /etc/modules, and lsmod seems to show that they are loading before
> anything else (eg the twinhan bttv card) can get in the way:
>
> =====================================
> video:/root# lsmod
[snip]
> via_v4l_drv           127888  0
[snip]
> =====================================
>
> Is any of that any help with diagnosis?

If you do:
# dmesg -c
# rmmod via_v4l_drv; modprobe via_v4l_drv
# dmesg -c

What does the last dmesg -c output?

Kenneth


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