linux-kernel - Re: PIIX4: DMA timeout issue

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Date:	Fri, 01 Aug 2008 16:38:44 +0800
From:	gshan <gshan@...atel-lucent.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: PIIX4: DMA timeout issue


>> Alan/Jeff, I tried to install ATA driver on PIIX4. After fixing IRQ number
>> to 143 for primary and secondary channel. I got following output and
>> it seems the driver has been loaded sucessfully. However, I couldn't
>> see any information from /proc/devices. Do you have any ideas?
>>     
>
> You need the SCSI disk driver - sd_mod.ko.
>
>   
Thanks a lot. It seems it starts to work now.

piix_init: enter
piix_init_one: pci device: �\
                             @
piix_init_one: vendor=0x00008086, device=0x00007111
piix_init_one: piix_host_priv allocated
piix_init_one: ent->driver_data=0
ata_pci_init_one: n_ports=2
ata_pci_init_one: pci device enabled
ata_pci_init_one: pci device class=0x00010180
ata_pci_init_one: legacy_mode=8
ata_pci_init_one: DMA mode has been set
ata_pci_init_legacy_port: port_mask=0x0000000b
ata_pci_init_legacy_port: ATA_PRIMARY_CMD=0x000001f0, 
ATA_PRIMARY_CTL=0x000003f6
ata_pci_init_legacy_port: ATA_SECONDARY_CMD=0x00000170, 
ATA_SECONDARY_CTL=0x00000376
ata_pci_init_legacy_port: BMDMA=0xfbf00000
, phys=0x00001000, phys_end=0x0000100f
ata_pci_init_legacy_port: probe_ent initialized
ata_pci_init_legacy_port: IRQ line of primary channel is 143
ata_pci_init_legacy_port: IRQ line of secondary channel is 143
ata_pci_init_one: Master set
ata1: PATA max UDMA/33 cmd 0xfbeff1f0 ctl 0xfbeff3f6 bmdma 0xfbf00000 
irq 143
ata2: PATA max UDMA/33 cmd 0xfbeff170 ctl 0xfbeff376 bmdma 0xfbf00008 
irq 143
scsi0 : ata_piix
scsi1 : ata_piix
ata2.00: ATA-6: HTE721010G9AT00, MCZOA51A, max UDMA/100
ata2.00: 195371568 sectors, multi 0: LBA48
ata2.00: configured for UDMA/33
 1:0:0:0: Direct-Access     ATA      HTE721010G9AT00  MCZO PQ: 0 ANSI: 5
SCSI device sda: 195371568 512-byte hdwr sectors (100030 MB)
sda: Write Protect is off
SCSI device sda: write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
SCSI device sda: 195371568 512-byte hdwr sectors (100030 MB)
sda: Write Protect is off
SCSI device sda: write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
 sda: sda1 sda4 < sda5 sda6 sda7 sda8 >
sd 1:0:0:0: Attached scsi disk sda
sd 1:0:0:0: Attached scsi generic sg0 type 0

Gavin
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