linux-kernel - Re: [PATCH] Add SATA device to VIA IRQ quirk fixup list

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Date:	Fri, 14 Jul 2006 18:06:08 +0100
From:	Daniel Drake <dsd@...too.org>
To:	Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
CC:	Chris Wedgwood <cw@...f.org>, Andrew Morton <akpm@...l.org>,
	Jeff Garzik <jeff@...zik.org>, greg@...ah.com, harmon@....edu,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add SATA device to VIA IRQ quirk fixup list

Sergio Monteiro Basto wrote:
>> I just confirmed this on my own system, at least partially. I removed 
>> the quirk and the system booted fine.
>>
>> This is with ACPI enabled, but APIC not enabled (hence the interrupts 
>> are XT-PIC). I cannot enable APIC on this system due to buggy BIOS.
>>
>> Daniel
> 
> Daniel, VIA_SATA is not in the list , so when you write remove , you
> remove what ? or you want say the opposite ?  
> Please rephrase your sentence .

Sorry, I should have been clearer. I do not own any VIA SATA hardware 
(that info was relayed from a Gentoo bug report). My own hardware is 
older, [Apollo KT266/A/333]. The quirk gets applied to my IDE controller 
only (both before and after Chris's changes), and I boot from a disk 
connected to this IDE controller.

00:00.0 Host bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333]
00:01.0 PCI bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo 
KT266/A/333 AGP]
00:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
RTL-8139/8139C/8139C+ (rev 10)
00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
RTL-8139/8139C/8139C+ (rev 10)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8233A ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. 
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 23)
00:11.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 23)
01:00.0 VGA compatible controller: nVidia Corporation NV15 [GeForce2 
GTS/Pro] (rev a3)

When I said I removed the quirk, I meant I removed the whole quirk, 
which prevented it from running on my hardware.

> Do you need quirk SATA with acpi=off  ?

Assuming you mean "quirk IDE", no.

> Do you need quirk with ACPI enabled ? 

No. But, my interrupts are always XT-PIC, I cannot enable IO-APIC (not 
sure how much relevance that has, possibly worth noting though).

Just for clarity, I'll respond to those 2 questions again with Aiko 
Barz's system in mind (the user on the Gentoo bug report) -- this is the 
one with the VIA SATA hardware.

 > Do you need quirk SATA with acpi=off  ?

No.

 > Do you need quirk with ACPI enabled ?

Yes.

Daniel
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