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    SubjectYenta_socket lsPCI IRQ reads incorrect
    Date
    [mhf@mhfl2 13:40:27 mhf]$ cat /proc/interrupts
    CPU0
    0: 1242348 XT-PIC timer
    1: 5253 XT-PIC i8042
    2: 0 XT-PIC cascade
    5: 88 XT-PIC Toshiba America Info ToPIC95 PCI to Cardb, serial
    8: 0 XT-PIC rtc
    9: 162 XT-PIC acpi
    10: 1003 XT-PIC eth0
    12: 23967 XT-PIC i8042
    14: 8698 XT-PIC ide0
    NMI: 0
    LOC: 0
    ERR: 5
    MIS: 0


    lspci shows that IRQ level: byte 3C is FF, it should be 5

    00:12.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 32)
    00: 79 11 17 06 00 00 90 04 32 00 07 06 00 40 82 00
    10: 00 10 00 10 80 00 80 04 00 01 04 00 00 00 00 00
    20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 01 00 00
    40: 79 11 01 00 01 00 00 00 00 00 00 00 00 00 00 00
    50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

    When this value is used by pci_restore_state, interrupt
    obviously dies.

    Dunno if this is hardware readback fault or driver issue.

    Regards
    Michael


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