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    SubjectRE: - sata_mv (7042) hang with large file operations
    I have a console - and have booted with 

    "pci=nomsi" and the behavior is
    ~the same or even a little worse
    in some case (but not by much)...

    I will send kernel log & the .config file separately to you...
    (quite long)...

    Further, you should note that my arch/ppc does NOT have MSI
    Capability (CONFIG_PCI_MSI) - thus I think this might be

    Is there any debugging I can turn on in the proc or sysfs?
    that might give more clues (e.g.: /proc/sys/dev/scsi/logging_level)?


    -----Original Message-----
    From: Mark Lord []
    Sent: Wednesday, November 14, 2007 5:30 PM
    To: Morrison, Tom
    Cc: Jeff Garzik;;
    Subject: Re: - sata_mv (7042) hang with large file operations

    Morrison, Tom wrote:
    > I have gotten it to boot from those hard-drives and it
    > has the same behavior:
    > Copying a large file to the same partition (>150MEG)
    > causes the system to hang (no I/O - no input/output -
    > nothing - complete freeze - like a primary resource
    > is locked up or interrupts got completely & totally
    > turned off in an ISR and its pending for something?
    > Only way to get out of this is to power-cycle the box!

    Okay, a couple of things:

    Do this from a text console, not a GUI.
    And preferably without ever starting klogd/syslogd during init.

    That way you've a much better chance of seeing some kernel diagnostic
    messages when it locks up.

    Can you boot with "nomsi" kernel parameter?
    And I guess we'll need to see the entire kernel .config as well.

    This is a tricky one. The driver behaves fine for me
    here with a 7042 rev.2 on PCIe in my x86-32 box.

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