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    SubjectRe: PIIX bug report
    On Thu, 10 Jun 1999, Petru Paler wrote:

    > Hi,
    >
    > I just tried to boot 2.3.6 (I have used 2.3.5 with no problems) and it
    > seems that there is a problem with the PIIX code. Here's the relevant
    > fragment from booting sequence:
    >
    > Uniform Multi-Platform E-IDE driver Revision: 6.19
    > PIIX4: IDE controller on PCI bus 00 dev 39
    > PIIX4: not 100% native mode: will probe irqs later
    > ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
    > ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
    > hda: ST31277A, ATA DISK drive
    > hdb: CRD-8320B, ATAPI CDROM drive
    > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    > hda: set_geometry_intr: status=0x51 { DriveReady SeekComplete Error }
    > hda: set_geometry_intr: error=0x04 { DriveStatusError }

    I know what this is and can correct it.
    It is harmless and appeared in another piece of code (pdc202xx.c).
    I just need to added to the chipset code a test for verification of a good
    BIOS/board combination. Many of the PIIX4 based kludges have crummy bios
    code, and need to overrided.

    Since you have a good bios/mainboard combination, skip the inclusion of
    the "piix.c" chipset code.

    > hda: ST31277A, 1221MB w/0kB Cache, CHS=620/64/63
    > hdb: ATAPI 32X CD-ROM drive, 128kB Cache
    > Uniform CDROM driver Revision: 2.55
    > Floppy drive(s): fd0 is 1.44M
    > FDC 0 is a post-1991 82077
    > Partition check:
    > hda: hda1 hda2 hda3
    > VFS: Mounted root (ext2 filesystem) readonly.
    > init: error in loading shared libraries: libutil.so.1: failed to map
    > segment from shared object: Cannot allocate memory
    >
    > If you need more information I'm wiling to do more tests and see what's
    > happening.
    >
    > PS: please CC me because I'm not subscribed
    >
    > --
    > If you understand what you're doing, you're not learning anything.
    >
    >
    > -
    > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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    > Please read the FAQ at http://www.tux.org/lkml/
    >

    Andre Hedrick
    The Linux IDE guy





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