SMP linux
Eric W. Biederman
ebiederman at lnxi.com
Tue Jan 18 09:08:01 CET 2005
"Gin" <ginlin at nexcom.com.tw> writes:
> I've been stuck at this problem for a while. My linuxbios boots a
> NON-SMP kernel ok but not the SMP one.
> The SMP kernel gets loaded and run. When it tries to access an IDE
> drive, an IDE command timed out before anything returns(kernel
> messages). My I/O APIC settings correspond to the MP table.
>
> All ISA devices are mapped to the I/O IOAPIC at 0xFEC00000. But where do
> we set this I/O APIC up? How does it know to route the IRQs to the local
> APIC?
Linux looks at the mptable.
> Another question is, does linuxbios setup the local APIC as Virtual Wire
> mode that via I/O APIC?
Usually we simply setup the local apic in virtual wire mode.
> My board is similar to Tyan/s2735, does anyone get this booted with a
> SMP linux before??
Good question.
Eric
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