.. And here is another test of un-hacked 2.6.21,
this time for ata_piix with a pure PATA configuration.
Again, it passes with flying colours.
ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001ffa0 irq 14
ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001ffa8 irq 15
scsi0 : ata_piix
ata1.00: ATA-7: Maxtor 6Y160L0, YAR41BW0, max UDMA/133
ata1.00: 320173056 sectors, multi 16: LBA48
ata1.00: configured for UDMA/100
scsi1 : ata_piix
ata2.00: ATAPI, max UDMA/66
ata2.01: ATAPI, max MWDMA2
ata2.00: configured for UDMA/66
ata2.01: configured for MWDMA2
scsi 0:0:0:0: Direct-Access ATA Maxtor 6Y160L0 YAR4 PQ: 0 ANSI: 5
SCSI device sda: 320173056 512-byte hdwr sectors (163929 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
SCSI device sda: 320173056 512-byte hdwr sectors (163929 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sda: sda1 sda2 sda3
sd 0:0:0:0: Attached scsi disk sda
scsi 1:0:0:0: CD-ROM PIONEER DVD-RW DVR-111D 1.23 PQ: 0 ANSI: 5
scsi 1:0:1:0: CD-ROM PLEXTOR CD-R PX-W1210A 1.08 PQ: 0 ANSI: 5
....
####### hdparm --drq-hsm-error /dev/sda:
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata1.00: cmd ec/00:00:00:00:00/00:00:00:00:00/40 tag 0 cdb 0x0 data 0
res 58/00:ff:00:00:00/00:00:00:00:00/40 Emask 0x2 (HSM violation)
ata1: soft resetting port
ata1.00: configured for UDMA/100
ata1: EH complete
SCSI device sda: 320173056 512-byte hdwr sectors (163929 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
####### hdparm --drq-hsm-error /dev/cdrom:
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd a1/00:00:00:00:00/00:00:00:00:00/40 tag 0 cdb 0x1e data 0
res 58/00:02:00:00:02/00:00:00:00:00/40 Emask 0x2 (HSM violation)
ata2: soft resetting port
ata2.00: configured for UDMA/66
ata2.01: configured for MWDMA2
ata2: EH complete
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