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    SubjectRe: [BUG] linux-next: Tree for March 25 kernel oops, when loading mpt fusion driver - regression
    On Mon, Jul 07, 2008 at 10:43:14AM -0500, James Bottomley wrote:
    > On Mon, 2008-07-07 at 10:27 -0500, David Teigland wrote:
    > > On Sun, Jul 06, 2008 at 02:23:35PM -0500, James Bottomley wrote:
    > > > On Thu, 2008-06-26 at 15:38 -0500, David Teigland wrote:
    > > > > On Wed, Mar 26, 2008 at 12:14:00PM +0530, Kamalesh Babulal wrote:
    > > > > > Hi Stephen,
    > > > > >
    > > > > > Kernel bug is hit while booting up the next-20080325 kernel with MPT
    > > > > > Fusion driver built in.This was reported previously for the
    > > > > > next-20080320 kernel
    > > > > > http://marc.info/?l=linux-next&m=120601013920868&w=2
    > > > >
    > > > > Hi, did you ever get this fixed? I've been having the same problem,
    > > > > http://marc.info/?l=linux-scsi&m=121061780821823&w=4
    > > > > still exists on 2.6.26-rc8 for me,
    > > > >
    > > > > Loading scsi_transport_spi.ko module
    > > > > Loading mptscsih.ko module
    > > > > Loading mptspi.ko module
    > > > > Fusion MPT SPI Host driver 3.04.06
    > > > > ACPI: PCI Interrupt 0000:86:01.0[A] -> GSI 32 (level, low) -> IRQ 32
    > > > > mptbase: ioc0: Initiating bringup
    > > > > ioc0: LSI53C1030 B2: Capabilities={Initiator,Target}
    > > > > mptbase: ioc0: PCI-MSI enabled
    > > >
    > > > I speculate that this might be related to the problem. The fusion
    > > > driver was recently flipped to default to MSI enable (previously it had
    > > > disabled them). Could you boot it with the fusion module parameter
    > > >
    > > > mpt_msi_enable=0
    > > >
    > > > if it actually boots that will be a good confirmation that MSI is to
    > > > blame.
    > >
    > > It all works using that option.
    >
    > It sounds like your motherboard might need to be added to the
    > drivers/pci/quirks.c with quirk_disable_all_msi ... can you try a
    > different card with MSI just to see if it's something specific either to
    > the fusion or the location in the system?

    I don't have easy access to the hardware, it's just some lab machine I was
    told I could use for unrelated testing. Until this came up I'd never
    heard of "MSI", or "Fusion" before, and still don't have much idea about
    they are :-)

    Dave



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