From: John David Anglin <dave.anglin@bell.net>
To: Simone Mannori <simone.mannori@gmail.com>
Cc: Graham Gower <graham.gower@gmail.com>,
Rolf Eike Beer <eike-kernel@sf-tec.de>,
linux-parisc <linux-parisc@vger.kernel.org>,
Helge Deller <deller@gmx.de>
Subject: Re: PCI video card hangs during system boot
Date: Thu, 14 Apr 2016 12:19:28 -0400 [thread overview]
Message-ID: <570FC310.2050000@bell.net> (raw)
In-Reply-To: <CACrbsaDJ2PCAh3KBV=T1Cwi4JxtV31bPJw-PireiZW6W51qCmg@mail.gmail.com>
On 2016-04-14 11:54 AM, Simone Mannori wrote:
> Very interesting and useful info, but they don't help us to fix the basic issue.
>
> We have several AGP cards able to work correctly BUT in passive frame
> buffer only mode, therefore the c8000, a quite fast quad core
> workstation , with X11, looks like a bradypus instead that a
> velociraptor.
>
> This is the moment to recompile a custom kernel with some printk.
>
I tried this a year or so ago. I pretty much convinced myself that the
firmware loaded
correctly, and that read and write operations seemed to work. However, I
wasn't able
to find why the the ring buffer test failed. I also checked that the
firmware was identical
to that used on hpux.
There is an ATI document somewhere on the register interface.
I understand your frustration.
Dave
--
John David Anglin dave.anglin@bell.net
prev parent reply other threads:[~2016-04-14 16:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-12 8:20 PCI video card hangs during system boot Simone Mannori
2016-04-12 16:55 ` Rolf Eike Beer
2016-04-12 18:04 ` John David Anglin
2016-04-13 7:06 ` Simone Mannori
2016-04-13 15:02 ` John David Anglin
2016-04-14 0:18 ` Graham Gower
2016-04-14 0:29 ` John David Anglin
2016-04-14 1:44 ` Graham Gower
2016-04-14 8:14 ` Simone Mannori
2016-04-14 14:59 ` John David Anglin
2016-04-14 15:54 ` Simone Mannori
2016-04-14 16:19 ` John David Anglin [this message]
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