Alpha Core 1.0a
Mike A. Harris
mharris at redhat.com
Wed Mar 2 13:48:31 UTC 2005
On Wed, 2 Mar 2005, Sergey Tikhonov wrote:
>Date: Wed, 02 Mar 2005 11:47:50 +0300
>From: Sergey Tikhonov <tsv at solvo.ru>
>To: Linux and Red Hat on Alpha processors <axp-list at redhat.com>
>Content-Type: text/plain; charset=us-ascii; format=flowed
>Reply-To: Linux and Red Hat on Alpha processors <axp-list at redhat.com>
>X-BeenThere: axp-list at redhat.com
>Subject: Re: Alpha Core 1.0a
>
>Thank you for checking.
>
>I got it work on my S3 card. The problem I found in generic vga handling
>code. It doesn't use any of memory barriers and I
>got it working by puting output of checkpoint messages into a code. I
>guess it added some delays between memory access and
>Xserver started to work.
This is probably a PCI posting problem. Some chipsets on some
architectures are rather picky to PCI specs, others are less so.
I'd recommend looking for posting bugs than spewing memory
barriers everywhere unnecessarily.
--
Mike A. Harris, Systems Engineer - X11 Development team, Red Hat Canada, Ltd.
IT executives rate Red Hat #1 for value: http://www.redhat.com/promo/vendor
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