Hi all,

same problem here. Upgrade from 2.6.24 to 2.6.26 makes DVD not usable.

With the 2.6.24-7 the DVD drive was recognized :

dmesg.0:libata version 3.00 loaded.
dmesg.0:ata_piix 0000:00:1f.2: version 2.12
dmesg.0:ata_piix 0000:00:1f.2: MAP [ P0 -- P1 -- ]
dmesg.0:scsi0 : ata_piix
dmesg.0:scsi1 : ata_piix
dmesg.0:ata1: SATA max UDMA/133 cmd 0xc000 ctl 0xbc00 bmdma 0xb480 irq 22
dmesg.0:ata2: SATA max UDMA/133 cmd 0xb880 ctl 0xb800 bmdma 0xb488 irq 22
dmesg.0:ata1.00: ATA-7: SAMSUNG HD250HJ, FH100-06, max UDMA7
dmesg.0:ata1.00: 488397168 sectors, multi 16: LBA48 NCQ (depth 0/32)
dmesg.0:ata1.00: configured for UDMA/133
dmesg.0:ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]
dmesg.0:scsi2 : ata_piix
dmesg.0:scsi3 : ata_piix
dmesg.0:ata3: SATA max UDMA/133 cmd 0xd000 ctl 0xcc00 bmdma 0xc480 irq 22
dmesg.0:ata4: SATA max UDMA/133 cmd 0xc880 ctl 0xc800 bmdma 0xc488 irq 22
dmesg.0:scsi4 : pata_marvell
dmesg.0:scsi5 : pata_marvell
dmesg.0:ata5: PATA max UDMA/100 cmd 0xec00 ctl 0xe880 bmdma 0xe400 irq 16
dmesg.0:ata6: PATA max UDMA/133 cmd 0xe800 ctl 0xe480 bmdma 0xe408 irq 16
dmesg.0:ata5.00: ATAPI: Optiarc DVD RW AD-7200A, 1.01, max UDMA/66
dmesg.0:ata5.00: configured for UDMA/66

But with the 2.6.26-4 it's not.

dmesg:[ 3.536498] ata1: SATA max UDMA/133 abar m1024@0xfebffc00 port 0xfebffd00 irq 16
dmesg:[ 3.536498] ata2: SATA max UDMA/133 abar m1024@0xfebffc00 port 0xfebffd80 irq 16
dmesg:[ 3.536498] ata3: DUMMY
dmesg:[ 3.855031] ata1: SATA link down (SStatus 0 SControl 300)
dmesg:[ 4.739485] ata2: SATA link down (SStatus 0 SControl 300)
dmesg:[ 4.743013] ata_piix 0000:00:1f.2: version 2.12
dmesg:[ 4.743013] ata_piix 0000:00:1f.2: MAP [ P0 -- P1 -- ]
dmesg:[ 4.743013] scsi3 : ata_piix
dmesg:[ 4.743035] scsi4 : ata_piix
dmesg:[ 4.743508] ata4: SATA max UDMA/133 cmd 0xc000 ctl 0xbc00 bmdma 0xb480 irq 22
dmesg:[ 4.743508] ata5: SATA max UDMA/133 cmd 0xb880 ctl 0xb800 bmdma 0xb488 irq 22
dmesg:[ 5.283529] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
dmesg:[ 5.291750] ata4.00: ATA-7: SAMSUNG HD250HJ, FH100-06, max UDMA7
dmesg:[ 5.291796] ata4.00: 488397168 sectors, multi 16: LBA48 NCQ (depth 0/32)
dmesg:[ 5.303431] ata4.00: configured for UDMA/133
dmesg:[ 5.757750] ata5: SATA link down (SStatus 0 SControl 300)
dmesg:[ 5.757750] ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]
dmesg:[ 5.757750] scsi5 : ata_piix
dmesg:[ 5.757750] scsi6 : ata_piix
dmesg:[ 5.758718] ata6: SATA max UDMA/133 cmd 0xd000 ctl 0xcc00 bmdma 0xc480 irq 22
dmesg:[ 5.758718] ata7: SATA max UDMA/133 cmd 0xc880 ctl 0xc800 bmdma 0xc488 irq 22
dmesg:[ 6.091486] ata6: SATA link down (SStatus 0 SControl 300)
dmesg:[ 6.769273] ata7: SATA link down (SStatus 0 SControl 300)


Looking at the differences, I suspect the message "SATA link down"
maybe be related to the problem.

Cheers,
Michel




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