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    SubjectRe: libata acpi issue on gateway laptop
    On 09/06/2010 09:35 PM, Kyle McMartin wrote:
    > Hi Jeff,
    >
    > A user is reporting an issue with 2.6.34.6 on a Gateway laptop that
    > booting with libata.noacpi=1 resolves.
    >
    > Symptom is that their device dumps a lot of messages like this:
    >
    > ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
    > ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device
    > (Stat=0x51 Err=0x04)
    > ata1.00: ACPI cmd ef/10:01:00:00:00:a0 (SET FEATURES) succeeded
    > ata1.00: ACPI cmd ef/10:02:00:00:00:a0 (SET FEATURES) succeeded
    > ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
    > ata1.00: ACPI cmd ef/10:04:00:00:00:a0 (SET FEATURES) succeeded
    > ata1.00: ACPI cmd ef/10:05:00:00:00:a0 (SET FEATURES) rejected by device
    > (Stat=0x51 Err=0x04)
    > ata1.00: ATA-8: Hitachi HTS545050B9A300, PB4OC60F, max UDMA/133
    > ata1.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA
    > ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device
    > (Stat=0x51 Err=0x04)
    > ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
    > ata1.00: ACPI cmd ef/10:05:00:00:00:a0 (SET FEATURES) rejected by device
    > (Stat=0x51 Err=0x04)
    > ata1.00: configured for UDMA/133
    >
    > on boot and resume from suspend.
    >
    > Dmesg is at https://bugzilla.redhat.com/attachment.cgi?id=442529 and the
    > full bug report at https://bugzilla.redhat.com/show_bug.cgi?id=629315.
    >
    > Any ideas? They say the issue exists all the way back to 2.6.31, so it
    > seems like a pretty long-lived bug.

    These are debug/info messages. Just ignore them.

    --
    tejun


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