Re: libata sata_sil broken on 2.6.13.1

From: Jeff Garzik (jgarzik_at_pobox.com)
Date: 09/15/05

  • Next message: Chris Wright: "Re: [PATCH 04/11] hpt366: write the full 4 bytes of ROM address, not just low 1 byte" 
    Date:	Thu, 15 Sep 2005 01:37:23 -0400
To: izvekov@lps.ele.puc-rio.br

    izvekov@lps.ele.puc-rio.br wrote:
    > I managed to get a serial cable. Now follows the dmesg, from where libata
    > starts until it dies.
    >
    > ata1: SATA max UDMA/100 cmd 0xF881E080 ctl 0xF881E08A bmdma 0xF881E000 irq 11
    > ata2: SATA max UDMA/100 cmd 0xF881E0C0 ctl 0xF881E0CA bmdma 0xF881E008 irq 11
    > ata1: dev 0 ATA, max UDMA/133, 234441648 sectors: lba48
    > ata1(0): applying Seagate errata fix
    > ata1: dev 0 configured for UDMA/100
    > scsi0 : sata_sil
    > irq 11: nobody cared (try booting with the "irqpoll" option)

    This one is related to libata. Known problem:
         http://bugzilla.kernel.org/show_bug.cgi?id=3880

    Silicon Image 311x throws interrupts after we told the hardware to
    disable interrupts, but only for a few certain devices and/or PATA
    bridges. I only have theories as to the solution.

    I made a failed attempt to solve it here:
         http://search.luky.org/linux-kernel.2005/msg14830.html

    This patch from Albert Lee might solve it, but the patch itself needs
    bug fixes:
         http://marc.theaimsgroup.com/?t=112628285200005&r=1&w=2

    Also, defining ATA_IRQ_TRAP in include/linux/libata.h may work around
    the problem.

    Plenty more info available on request. Nothing changed in this area
    with regards to 2.6.12/2.6.13, so I presume that ACPI has simply exposed
    the existing problem for you. :(

         Jeff

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  • Next message: Chris Wright: "Re: [PATCH 04/11] hpt366: write the full 4 bytes of ROM address, not just low 1 byte"

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