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    Subject[041/107] [SCSI] aacraid: reset should disable MSI interrupt
    2.6.32-longterm review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Vasily Averin <vvs@parallels.com>

    commit d0efab26f89506387a1bde898556660e06d7eb15 upstream.

    scsi reset on hardware with enabled MSI interrupts generates WARNING message

    [11027.798722] aacraid: Host adapter abort request (0,0,0,0)
    [11027.798814] aacraid: Host adapter reset request. SCSI hang ?
    [11087.762237] aacraid: SCSI bus appears hung
    [11135.082543] ------------[ cut here ]------------
    [11135.082646] WARNING: at drivers/pci/msi.c:658 pci_enable_msi_block+0x251/0x290()

    Signed-off-by: Vasily Averin <vvs@sw.ru>
    Acked-by: Mark Salyzyn <mark_salyzyn@us.xyratex.com>
    Signed-off-by: James Bottomley <JBottomley@Parallels.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/scsi/aacraid/commsup.c | 2 ++
    1 file changed, 2 insertions(+)

    --- a/drivers/scsi/aacraid/commsup.c
    +++ b/drivers/scsi/aacraid/commsup.c
    @@ -1202,6 +1202,8 @@ static int _aac_reset_adapter(struct aac
    kfree(aac->queues);
    aac->queues = NULL;
    free_irq(aac->pdev->irq, aac);
    + if (aac->msi)
    + pci_disable_msi(aac->pdev);
    kfree(aac->fsa_dev);
    aac->fsa_dev = NULL;
    quirks = aac_get_driver_ident(index)->quirks;



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