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    SubjectRe: [PATCH] Re: [git patches] libata updates - (improve post-reset device ready test) regression
    At Thu, 08 May 2008 11:35:11 -0400,
    Jeff Garzik wrote:
    >
    > Markus Trippelsdorf wrote:
    > >> Tejun Heo (12):
    > >> libata: improve post-reset device ready test
    > >
    > > This commit (78ab88f04f44bed566d51dce0c7cbfeff6449a06) causes a long
    > > boot delay with my onboard Promise controller. It seems like libata
    > > probes for a nonexisting PATA drive...
    > >
    > > ACPI: PCI Interrupt 0000:00:08.0[A] -> GSI 18 (level, low) -> IRQ 18
    > > scsi0 : sata_promise
    > > scsi1 : sata_promise
    > > scsi2 : sata_promise
    > > ata1: SATA max UDMA/133 mmio m4096@0xfb600000 port 0xfb600200 irq 18
    > > ata2: SATA max UDMA/133 mmio m4096@0xfb600000 port 0xfb600280 irq 18
    > > ata3: PATA max UDMA/133 mmio m4096@0xfb600000 port 0xfb600300 irq 18
    > > ata1: SATA link down (SStatus 0 SControl 300)
    > > ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
    > > ata2.00: ATA-7: SAMSUNG HD753LJ, 1AA01109, max UDMA7
    > > ata2.00: 1465149168 sectors, multi 0: LBA48 NCQ (depth 0/32)
    > > ata2.00: configured for UDMA/133
    > > ata3: link is slow to respond, please be patient (ready=0)
    > > ata3: device not ready (errno=-16), forcing hardreset
    > > ata3: link is slow to respond, please be patient (ready=0)
    > > ata3: SRST failed (errno=-16)
    > > ata3: link is slow to respond, please be patient (ready=0)
    > > ata3: SRST failed (errno=-16)
    > > ata3: link is slow to respond, please be patient (ready=0)
    > > ata3: SRST failed (errno=-16)
    > > - Last output repeated twice -
    > > ata3: reset failed, giving up
    >
    > Does the attached patch fix things?
    >
    > It basically reverts the patch, while still maintaining the
    > consolidation. It looks like that status evaluation is not as universal
    > as believed.

    Yes, the patch fixes the problem on my machine.


    Thanks,

    Takashi


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