From: Stephen Hemminger <shemminger@vyatta.com>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: netdev@vger.kernel.org
Subject: Re: Bad sky2 interrupt handling?
Date: Thu, 16 Jul 2009 16:37:27 -0700 [thread overview]
Message-ID: <20090716163727.666db0cc@nehalam> (raw)
In-Reply-To: <20090716162552.7f7b3031@jbarnes-g45>
On Thu, 16 Jul 2009 16:25:52 -0700
Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> I was debugging what I thought was a graphics driver problem today (some
> page flipping code I'm working on was only flipping at about 10Hz
> rather than ~60Hz) but it appears it's actually due to a bad
> interaction with the Marvell 88E8036 controller on this machine.
>
> MSI fails on this box (haven't looked too much at why yet), so the i915
> driver shares an interrupt with USB, firewire, sdhci and the NIC.
>
> Is sky2 the wrong driver to be using here? Or is there some way of
> reducing its overhead when (presumably) it doesn't have anything to do?
No, that is the right driver. If MSI fails, does the driver still think
it can use MSI?
--
next prev parent reply other threads:[~2009-07-16 23:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-16 23:25 Bad sky2 interrupt handling? Jesse Barnes
2009-07-16 23:37 ` Stephen Hemminger [this message]
2009-07-16 23:57 ` Jesse Barnes
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