I've noticed that an external eSATA drive I use for backups
gets downgraded to 1.5Gbs, with errors when I boot.
+ I'm running Fedora 11 (64bit ).
+ The eSATA port is from a JMicron JMB361, which is also used
for two PATA DVD drives - if that makes any difference.
+ The drive is an Icy Box - Ib-390stus-b enclosure.
+ In the BIOS, I've select AHCI.
+ I've tried booting with noapic acpi=off
+ The drive seems to work fine at 1.5GBps, but I'd
rather have the full speed its capable off.
Any ideas on the meaning of the errors ...
[trantor] ~ $dmesg | grep ata7
ata7: SATA max UDMA/133 abar m8192@0xfeafe000 port 0xfeafe100 irq 10
ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata7.00: ATA-8: WDC WD10EACS-00D6B1, 01.01A01, max UDMA/133
ata7.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32)
sda:<6>ata7.00: configured for UDMA/133
sde:<3>ata7.00: exception Emask 0x10 SAct 0x1 SErr 0x780100 action 0x6
ata7.00: irq_stat 0x08000000
ata7: SError: { UnrecovData 10B8B Dispar BadCRC Handshk }
ata7.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 ncq 4096 in
ata7.00: status: { DRDY }
ata7: hard resetting link
ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata7.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata7.00: revalidation failed (errno=-5)
ata7: hard resetting link
ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata7.00: configured for UDMA/133
ata7: EH complete
ata7: limiting SATA link speed to 1.5 Gbps
ata7.00: exception Emask 0x10 SAct 0x1 SErr 0x780100 action 0x6
ata7.00: irq_stat 0x08000000
ata7: SError: { UnrecovData 10B8B Dispar BadCRC Handshk }
ata7.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 ncq 4096 in
ata7.00: status: { DRDY }
ata7: hard resetting link
ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
ata7.00: configured for UDMA/133
ata7: EH complete
Thanks
Andy
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