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

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Date:	Mon, 11 Feb 2008 08:44:52 +1100 (EST)
From:	"Robert Lowery" <rglowery@...mail.com.au>
To:	"Robert Hancock" <hancockr@...w.ca>
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?

Hi Robert,

Thanks for your reply.  I'm not sure if the kernel config has changed as I
am using the stock ubuntu kernels.  Perhaps I should log a bug with
ubuntu.  If it helps, the pata_sil680 module is loaded (visible in
/proc/modules) when I boot either kernel, it just doesn't detect my 750GB
drive in the 2.6.24 based kernel.

>
>>
>> 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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