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    SubjectRe: sata_promise KERNEL_BUG on 2.6.12
    Marcel Naziri wrote:
    > Now, when I connect the drives to port 1 & 2 of the controller, booting up
    > stops with this:
    > ACPI: PCI Interrupt 0000:00:0a.0[A] -> GSI 17 (level, low) -> IRQ 17
    > ata1: SATA max UDMA/133 cmd 0xF8802200 ctl 0xF8802238 bdma 0x0 irq 17
    > ata2: SATA max UDMA/133 cmd 0xF8802280 ctl 0xF88022B8 bdma 0x0 irq 17
    > ata3: SATA max UDMA/133 cmd 0xF8802300 ctl 0xF8802338 bdma 0x0 irq 17
    > ata4: SATA max UDMA/133 cmd 0xF8802380 ctl 0xF88023B8 bdma 0x0 irq 17
    > ata1: no device found (phy stat 00000000)
    > scsi0 : sata_promise
    > ata2: dev 0 ATA, max UDMA/100, 312581808 sectors: lba48
    > ------------[ cut here ]------------
    > kernel BUG at drivers/scsi/libata-core.c:2077!
    > invalid operand: 0000 [#1]
    > PREEMPT
    > Modules linked in:
    > CPU: 0
    > EIP: 0060:[<c025f60f>] Not tainted VLI
    > EFLAGS: 00010246 (2.6.12)
    > EIP is at ata_dev_set_xfermode+0xcf/0xf0

    This is highly strange. Do you have any patches applied, or is this
    vanilla 2.6.12 kernel?

    Can you turn off preempt and try to reproduce ?
    Can you provide your full .config ?


    > Can it deal with the fact, that the drives are not scanned in port order of
    > the controller? They seem to be mapped like
    > port 1 > ata4
    > port 2 > ata2
    > port 3 > ata1
    > port 4 > ata3

    The driver scans the ports in the order presented internally in the
    hardware.

    Jeff



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