Re: Regression between v3.5 and v3.6 in libata

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So I apparently missed two most important differences between good and bad
boots.

On Tue, Feb 26, 2013 at 09:03:48PM +0100, Jan Sembera wrote:
> [    2.877438] scsi6 : pata_atiixp
> [    2.881369] scsi7 : pata_atiixp
> 
> [    2.391535] scsi6 : pata_acpi
> [    2.391994] scsi7 : pata_acpi

pata-acpi doesn't play very well with this controller. Disabling it in
kernel and rebooting (even with 3.8) provided completely working kernel.
So either this driver shouldn't bind pata-acpi and leave it on pata-atiixp
as before (some kind of blacklisting needed?), or it needs some fixing to
work nicely with this controller.

As a workaround for now, I'll just not compile PATA_ACPI into the kernel.

00:14.1 IDE interface: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 IDE Controller (rev 40) (prog-if 8a [Master SecP PriP])
	Subsystem: ASUSTeK Computer Inc. Device 8496
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 32
	Interrupt: pin B routed to IRQ 17
	Region 0: I/O ports at 01f0 [size=8]
	Region 1: I/O ports at 03f4 [size=1]
	Region 2: I/O ports at 0170 [size=8]
	Region 3: I/O ports at 0374 [size=1]
	Region 4: I/O ports at f100 [size=16]
	Kernel driver in use: pata_atiixp

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