Date: Tue, 1 Dec 2009 14:00:06 -0800 From: Ravi Shankar <toksravi@gmail.com> To: freebsd-smp@freebsd.org Cc: freebsd-hackers@freebsd.org, freebsd-drivers@freebsd.org Subject: Regarding enabling IOAPIC on Intel Dual core processor based boards having Broadcom controller Message-ID: <fc99a8760912011400o6f436f3cwfd5df7be4eb32ebf@mail.gmail.com>
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Hi, We are using Freebsd6.2 bases OS on our LV 5200 Series Intel Dual Core Xeo= n bases processor(Wolfdale-DP-ULV). In the carrier board hosting the processo= r we have BCM5703 controller. Currently we are using only one core in 32 bit mode and planning to use dua= l core where we need to enable IOAPIC. When IOAPIC is not enabled I see the bcm/bge driver is attached to IRQ10 and everything works fine, but when I enable IOAPIC I still see the boot msgs show that bge is attached to irq10 but the Broadcom controller does not come up. I found interrupt storm on irq17 ( remember without IOAPIC enable there are not IRQ assignments beyond IRQ16),looks like the controller is interrupting on 17 while driver waits o= n 10. When I stop and loader and assign it manually using config command "set hw.pci8.9.INTA.irq=3D=9417=94" , everything works fine. Would be great if s= ome one can throw some light on this IRQ mapping when IOAPIC is enabled and possibl= e fix ( Software or BIOS?) Thanks, Ravi --=20 Thanks, Ravi "The most influential person who will talk to you all day is you, so you should be very careful about what you say to you!"
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