RE: X mouse and agpart problems

Thanks, it works now!

I eventually found the workaround. It was in an E-mail dated 05/9/2003 and
is as follows:

> The agpgart module is loaded as /dev/misc/agpgart under devfs but X is
still
> searching for /dev/agpgart.
> Here is a workaround (edit rcS):
>     662 fi
>     663 export X_DONT_ZAP_OPTION
>     664
>     665 # devfs agpgart compatibility
>     666 case "$X_DRIVER" in
>     667    i81*)
>     668       # intel i81x
>     669       modprobe agpgart 2>/dev/null
>     670       if [ -r /dev/misc/agpgart ]
>     671       then
>     672          bootmsg "Creating agpgart compatibility symlink"
>     673          ln -s /dev/misc/agpgart /dev/agpgart
>     674       fi
>     675       ;;
>     676 esac
>     677

The new systems now work very well. We have found 486 DX2/66 with 32MB of
ram are not quite good enough - they seem to be satisfactory when there are
few screen updates, like most word processing, but they are slow to update
the screen when browsing the Internet. (We had to turn off hardware
acceleration on these machines). P166 machines with an S3 graphics card
onboard work much better but are still noticeably slow. I think it's not so
much the processor but the graphics card and how well X supports it - the
"new" celeron 500 machines with the i810 onboard graphics and 128 MB of RAM
are very fast - only a few things remind me that it's a thin client.

So my summary on hardware for PXES ICA clients is that 166 Mhz is about the
minimum, and you want a good graphics card. 32 MB of RAM is the absolute
minimum - you are likely to experience clients dropping out due to out of
memory conditions if you're not careful (I recommend that the PXES image
size is reduced by removing unneeded sound modules, don't enable all the
remote admin options and turn off ICA image caching if you're short on RAM)

Ben.

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Diego Torres
Milano
Sent: Wednesday, 5 November 2003 3:23 PM
To: pxes-devel
Subject: Re: [pxes-devel] X mouse and agpart problems


On Wed, 2003-11-05 at 00:22, Ben Reuter wrote:
    Hi all,
    We are trying to build an image for better thin client hardware and I am
    having trouble with the mouse. The hardware is an IPEX celeron 500 with
PS2
    mouse and keyboard. USB is also available but nothing is connected. We
have
    successfully loaded Mandrake 9.1 on to one of them with no problems, so
it
    seems to support Linux.

    However PXES boots and loads the PS2 mouse driver but X complains that
it
    can't find the mouse if I run "X -configure" (the terminal loops at
    xsetleds).
X should not be running before X -configure.
    Exact output:
    XFree86 is not able to detect your mouse.
    Edit the file and correct the Device.

    Your XF86Config file is //XF86Config.new

PXES doesn't rely on X mouse autodetection.
Use this:
# autodetect -v mouse


    When I run the "test configure" option it mentions, I get a different
error
    messages:

    (EE) GARTInit: Unable to open /dev/agpart (No such file or directory)
    (EE) I810(0): AGP GART support is not available. Make sure your kernel
has
    agpgart support or that the agpgart kernel module is loaded.
    (EE) Screens(s) found, but none have a usable configuration.
I've already posted the workaround, you can check the list but is
something like this:

modprobe agpgart
ln -s /dev/misc/agpgart /dev/agpgart


    Fatal serer error:
    no screens found


    I have also tried using an optical mouse, under other hardware the light
    comes on when the PS2 mouse driver loads, but not this hardware. If I
"cat
    /dev/psaux" the mouse lights up and I can see input (albeit binary
junk).
    However if I "cat /dev/input/mice" nothing happens. "/dev/mouse" doesn't
    exist. I have tried setting PXES to auto and to /dev/psaux in various
    combinations to no avail.

    Any suggestions?

    Ben.



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