Re: [PATCH] Adds kernel parameter to ignore pci devices

Luiz Angelo Daros de Luca
2006-09-20T16:51:31Z

Allan, disabling EHCI in kernel won't solve it cause the kernel
freezes when linux is setting up pci. This is before any device
specific driver and it is done even without any driver for that
device.

I was going to implement a way to ignore using bus+board+function but
not at this time. BTW, are the parameters name, format and debug
messages adequated to kernel's principels?

2006/9/20, Jarek Poplawski <jarkao2@o2.pl>:
> On Wed, Sep 20, 2006 at 11:38:53AM +0100, Alan Cox wrote:
> > Ar Mer, 2006-09-20 am 08:41 +0200, ysgrifennodd Jarek Poplawski:
> > > On 20-09-2006 02:01, Alan Cox wrote:
> > > > Not sure its the way I'd approach it - in your specific case it should
> > > > be easier to just not compile in EHCI (USB 2.0) support.
> > >
> > > I'd dare to vote for this idea: it's good for testing
> > > and very practical eg. for comparing performance of similar
> > > devices like network or sound cards. Besides: ehci could
> > > work for other devices.
> >
> > In which case you'd need to specify the device to ignore by its PCI bus
> > address so could ignore one device but not another of the same type. Eg
> > pci=ignore=0:4.5
>
> If I correctly understand this as a doubt I mean doing this in grub
> or lilo as boot variants.
>
> Jarek P.
>

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Luiz Angelo Daros de Luca
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ICQ: 19290419

I Know, "Where you wanted to go today",
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