Messages in this thread | | | Date | Wed, 18 Jun 2008 23:35:58 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86: update mptable v7 |
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On Wed, Jun 18, 2008 at 11:28 PM, H. Peter Anvin <hpa@zytor.com> wrote: > Yinghai Lu wrote: >>> >>> Can somebody clue me into why this concept >>> is something other than totally insane? >> >> for system that have 6 pcie slots and more, with full populated cards. >> when boot with mptable, BIOS will use irq < 16 for all pci devices, >> and several devices will share same irq. >> but when acpi is enabled, irqs are spanned all over. >> >> also when pci card with several pci bridges is plugged in, the mptable >> is totally messed up, some slot will work, and some doesn't work. > > And the reason to worry about supporting non-ACPI on such hardware is what?
1. some other os doesn't support acpi well, and still use mptable. 2. show BIOS engineer how to fix mptable.
YH
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