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SubjectRe: mpt fusion driver crashes with LSI22320SE installed and BIOS ACPI turned off
Maurice Volaski wrote:
> I emailed about this earlier and here's some new info: the crash occurs
> when ACPI is turned off. It appears that your driver is expecting
> information from ACPI and if it doesn't get it, it will crash. (This has
> been posted as bug http://bugzilla.kernel.org/show_bug.cgi?id=12733)
>
> On a system with a Supermicro X7DWN+ with ACPI turned off, and an
> LSI22320SE card installed, the mptdriver will crash. Here is the
> relevant log:

This could very easily be a motherboard bug. Many newer motherboards are
NOT tested properly with ACPI disabled. Your case could easily be due to
the board's interrupt routing for certain slots/devices being messed up
when ACPI is not in use. For this reason it's generally not a good idea
to try to disable ACPI these days.


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