linux-kernel - Re: pata_sil680 regression 2.6.22->2.6.24

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Message-id: <47AF3E83.5060003@shaw.ca>
Date:	Sun, 10 Feb 2008 12:12:19 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Robert Lowery <rglowery@...mail.com.au>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: pata_sil680 regression 2.6.22->2.6.24

Robert Lowery wrote:
> Hi Folks,
> 
> Having recently upgaded my Ubuntu install from Gutsy to Hardy, my 750GB
> Seagate disk connected via a SiI680 PCI card is no longer detected.  I
> suspect this is caused by the MMIO changes in 2.6.24.  Strangely in 2.6.22
> the drive appears as sda1, but on 2.6.24 it appears as a non functioning
> hde.
> 
> A working 2.6.22 based system reports
> 
> Feb 10 01:49:22 myth-backend kernel: [   88.296373] sil680: BA5_EN = 1
> clock = 00
> Feb 10 01:49:22 myth-backend kernel: [   88.296401] sil680: BA5_EN = 1
> clock = 10
> Feb 10 01:49:22 myth-backend kernel: [   88.296479] sil680: 133MHz clock.
> Feb 10 01:49:22 myth-backend kernel: [   88.296672] ACPI: PCI Interrupt
> 0000:00:0d.0[A] -> GSI 19 (level, low) -> IRQ 19
> Feb 10 01:49:22 myth-backend kernel: [   88.297584] scsi2 : pata_sil680
> Feb 10 01:49:22 myth-backend kernel: [   88.298142] scsi3 : pata_sil680
> Feb 10 01:49:22 myth-backend kernel: [   88.298398] ata1: PATA max
> UDMA/133 cmd 0x00019000 ctl 0x00018802 bmdma 0x00017800 irq 19
> Feb 10 01:49:22 myth-backend kernel: [   88.298409] ata2: PATA max
> UDMA/133 cmd 0x00018400 ctl 0x00018002 bmdma 0x00017808 irq 19
> Feb 10 01:49:22 myth-backend kernel: [   88.530102] ata1.00: ATA-7:
> ST3750640A, 3.AAE, max UDMA/100
> Feb 10 01:49:22 myth-backend kernel: [   88.530139] ata1.00: 1465149168
> sectors, multi 0: LBA48
> Feb 10 01:49:22 myth-backend kernel: [   88.604735] ata1.00: configured
> for UDMA/100
> 
> A non working 2.6.24 based system reports
> 
> Feb  9 16:19:28 myth-backend kernel: [   81.149973] SiI680: IDE controller
> (0x1095:0x0680 rev 0x02) at  PCI slot 0000:00:0d.0
> Feb  9 16:19:28 myth-backend kernel: [   81.150031] ACPI: PCI Interrupt
> 0000:00:0d.0[A] -> GSI 19 (level, low) -> IRQ 19
> Feb  9 16:19:28 myth-backend kernel: [   81.150094] SiI680: BASE CLOCK == 133
> Feb  9 16:19:28 myth-backend kernel: [   81.150104] SiI680: 100% native
> mode on irq 19
> Feb  9 16:19:28 myth-backend kernel: [   81.150121]     ide2: MMIO-DMA ,
> BIOS settings: hde:pio, hdf:pio
> Feb  9 16:19:28 myth-backend kernel: [   81.150145]     ide3: MMIO-DMA ,
> BIOS settings: hdg:pio, hdh:pio
> Feb  9 16:19:28 myth-backend kernel: [   82.113860] hde: þþÿþ`KÐ, ATA DISK
> drive
> Feb  9 16:19:28 myth-backend kernel: [   82.114038] ide2 at
> 0xf882a080-0xf882a087,0xf882a08a on irq 19

This is not pata_sil680, this is drivers/ide trying to operate this 
card. Has something changed in your kernel config?

> 
> Note, my bios does not support 750GB drives, so the drive is not
> configured in the card BIOS.  This has not stopped linux detecting it ok
> in the past.
> 
> Please let me know if I need to provide any more information or additional
> testing.
> 
> Thanks
> 
> -Rob
> 
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