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    SubjectRe: PROBLEM: kernel 2.4 pdc202xx and kernel 2.6 pdc202xx_old Broken
    Hi,

    On Apr 10, 2005 2:12 PM, joram.agten@pandora.be <joram.agten@pandora.be> wrote:
    > Hello
    >
    > please put me in CC
    >
    > I'm using a pdc20262 promise utra66 controller to manage 4 HD's, all 30GB
    > and I put them in a software /dev/md/0 raid5 configuration
    >
    > recently I upgraded my kernel to linux-2.6.11-gentoo-r4 and also
    > linux-2.6.11-gentoo-r5
    > and the raid array would go offline with dma timeouts when putting load to
    > it
    >
    > Apr 9 23:30:15 vennen hde: DMA timeout error
    > Apr 9 23:30:15 vennen hde: dma timeout error: status=0x58 { DriveReady
    > SeekComplete DataRequest }
    > Apr 9 23:30:15 vennen
    > Apr 9 23:30:15 vennen ide: failed opcode was: unknown
    > Apr 9 23:30:15 vennen hdh: dma_timer_expiry: dma status == 0x62
    > Apr 9 23:30:15 vennen hdh: DMA timeout error
    > Apr 9 23:30:15 vennen hdh: dma timeout error: status=0x58 { DriveReady
    > SeekComplete DataRequest }
    > Apr 9 23:30:15 vennen
    > Apr 9 23:30:15 vennen ide: failed opcode was: unknown
    > Apr 9 23:30:15 vennen hdg: status timeout: status=0xd0 { Busy }
    > Apr 9 23:30:15 vennen
    > Apr 9 23:30:15 vennen ide: failed opcode was: unknown
    > Apr 9 23:30:15 vennen hdg: DMA disabled
    > Apr 9 23:30:15 vennen PDC202XX: Secondary channel reset.
    > Apr 9 23:30:15 vennen PDC202XX: Primary channel reset.

    This is a buggy expiry handler but it gets triggered as a result of
    earlier OOPS:

    Apr 9 23:30:01 vennen Call Trace:
    Apr 9 23:30:01 vennen [] _spin_lock+0x16/0x90
    Apr 9 23:30:01 vennen [] _spin_unlock+0xd/0x30
    Apr 9 23:30:01 vennen [] do_truncate+0x4a/0x70
    Apr 9 23:30:01 vennen [] _spin_unlock_irqrestore+0xf/0x30
    Apr 9 23:30:01 vennen [] do_coredump+0x1fd/0x216
    Apr 9 23:30:01 vennen [] __dequeue_signal+0xf5/0x1b0
    Apr 9 23:30:01 vennen [] dequeue_signal+0x35/0xd0
    Apr 9 23:30:01 vennen [] get_signal_to_deliver+0x229/0x320
    Apr 9 23:30:01 vennen [] do_signal+0x9b/0x130
    Apr 9 23:30:01 vennen [] sys_rt_sigaction+0xaa/0xc0
    Apr 9 23:30:01 vennen [] do_page_fault+0x0/0x5d5
    Apr 9 23:30:01 vennen [] do_notify_resume+0x37/0x3c
    Apr 9 23:30:01 vennen [] work_notifysig+0x13/0x15

    which doesn't seem to be related to IDE in any way.

    It would be useful if you pinpoint issue further to a specific kernel version.

    Bartlomiej
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