Fedora Users — Re: Sound (and wireless) on new Presario R3000

Re: Sound (and wireless) on new Presario R3000

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To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>

Subject: Re: Sound (and wireless) on new Presario R3000

From: Reshat Sabiq <sabiq@xxxxxxxxxxxx>

Date: Thu, 22 Jul 2004 23:48:46 -0500

In-reply-to: <[email protected]>

Organization: ultranet.tv

References: <033a01c467b6$0aad60e0$3396a8c0@oakenfold> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <1090501359.5093.96.camel@rockhopper> <[email protected]>

Reply-to: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>

User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040514

James Wilkinson wrote:

Reshat Sabiq wrote:

The IDE, audio, modem , VGA compatible controller, FireWire, CardBus 
bridge, and  USB Controller  use IRQ 10. Wireless, and again USB 
controller use IRQ 5, according to lspci -v.

Aaron Gaudio replied:

Have you tried enabling ACPI? When everything uses the same IRQs, that
is often a sign that you need ACPI to manage the interrupts... although
I think ACPI is enabled by default in FC2.

There again, it could possibly be an APIC problem. (That's not a typo:
there are two, vaguely related, Intel standards; one named ACPI and the
other APIC).

Try doing a
grep -i apic /var/log/dmesg
and if it comes up with 
ENABLING IO-APIC IRQs
somewhere, see what putting "noapic" on the kernel command line does.

Remember to keep an "emergency" unmodified entry in grub.conf!

HTH,

James.

Thanks for the tips, guys. Yes, ACPI is enabled (from what i can see in the logs). And i tried passing noapic to both 2.6.5 and 2.6.6 kernels, with both atiixp, and atiixp-modem drivers. The results are pretty much the same. I'm now seeing that IRQ 5 is disabled with both drivers.
Although i have seen some other users of R3000 posting that noapic helped them, there are so many variations of R3000, that mine appears to be different from those.
Mine is R3000T (shared memory). The sound card is detected as IXP150 AC'97 Audio Controller (snd-atiixp). But to me it looks like it really needs atiixp-modem driver, which is still experimental and doesn't cut it.
It appears i have 2 options:
1. Wait for atiixp-modem to become stable (or help make it so)
2. Plug a different sound card.

I'll see what i can do.

Thanks again,
<rsa/>

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