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SubjectRe: Serial ATA (SATA) status report
From
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On Thu, 2004-02-26 at 02:34, Jeff Garzik wrote:

> Silicon Image 3112/3114
> -----------------------
> Summary: No TCQ. Looks like a PATA controller, but with full SATA
> control including hotplug and PM.
>
> libata driver status: Alpha.
>
> drivers/ide driver status: Production, but see issue #4.
>
> Issue #4: Need to have the most recent fixes posted to lkml, for stable
> operation and full performance (where possible).

Having had problems with SiI 3112A under the standard IDE drivers
http://marc.theaimsgroup.com/?l=linux-kernel&m=107539618032329&w=2
I thought I would test my set of disks with some bad sectors that oops
or hang the standard driver. I also tested them under high load (which
also causes problems with the legacy drivers which can drop to PIO mode
or just hang).

libata (2.4.25-libata3) is much more stable, managing 22 hours without
problems, however has just hung with
ata3: DMA timeout, stat 0x1
as the last log message (nothing before), box completely unresponsive.
Will recompile with magic sysrq and with DPRINTK and VPRINTK defined. It
wasnt actually accessing a part of the disk with bad sectors at the
point, just under high load and accessing 3 disks. What is the best way
of debugging this?





SCSI subsystem driver Revision: 1.00
libata version 1.01 loaded.
sata_sil version 0.53
ata1: SATA max UDMA/133 cmd 0xF8816080 ctl 0xF881608A bmdma 0xF8816000
irq 26
ata2: SATA max UDMA/133 cmd 0xF88160C0 ctl 0xF88160CA bmdma 0xF8816008
irq 26
ata1: dev 0 cfg 49:2f00 82:7c6b 83:7b09 84:4003 85:7c49 86:3a01 87:4003
88:207f
ata1: dev 0 ATA, max UDMA/133, 240121728 sectors
ata1: dev 0 configured for UDMA/133
ata2: no device found (phy stat 00000000)
ata2: thread exiting
ata3: SATA max UDMA/133 cmd 0xF8818480 ctl 0xF881848A bmdma 0xF8818400
irq 27
ata4: SATA max UDMA/133 cmd 0xF88184C0 ctl 0xF88184CA bmdma 0xF8818408
irq 27
ata3: dev 0 cfg 49:2f00 82:346b 83:7f21 84:4003 85:3469 86:3c01 87:4003
88:203f
ata3: dev 0 ATA, max UDMA/100, 488397168 sectors (lba48)
ata3: dev 0 configured for UDMA/100
ata4: dev 0 cfg 49:2f00 82:346b 83:7f21 84:4003 85:3469 86:3c01 87:4003
88:203f
ata4: dev 0 ATA, max UDMA/100, 488397168 sectors (lba48)
ata4: dev 0 configured for UDMA/100
scsi0 : sata_sil
scsi1 : sata_sil
scsi2 : sata_sil
scsi3 : sata_sil
Vendor: ATA Model: Maxtor 6Y120M0 Rev: 1.01
Type: Direct-Access ANSI SCSI revision: 05
Vendor: ATA Model: WDC WD2500JD-00F Rev: 1.01
Type: Direct-Access ANSI SCSI revision: 05
Vendor: ATA Model: WDC WD2500JD-00F Rev: 1.01
Type: Direct-Access ANSI SCSI revision: 05
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0
Attached scsi disk sdc at scsi3, channel 0, id 0, lun 0
SCSI device sda: 240121728 512-byte hdwr sectors (122942 MB)
sda: unknown partition table
SCSI device sdb: 488397168 512-byte hdwr sectors (250059 MB)
sdb: unknown partition table
SCSI device sdc: 488397168 512-byte hdwr sectors (250059 MB)
sdc: unknown partition table


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