Date: Tue, 1 Dec 2009 15:15:07 -0800 (PST) From: Ravi Shankar <ksravi76@yahoo.com> To: freebsd-drivers@freebsd.org Subject: Regarding enabling IOAPIC on Intel Dual core processor based boards having Broadcom controller Message-ID: <113217.44923.qm@web33202.mail.mud.yahoo.com>
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> Hi, > > We are using Freebsd6.2 bases OS on our LV 5200 Series > Intel Dual Core Xeon bases processor(Wolfdale-DP-ULV). In > the carrier board hosting the processor we have BCM5703 > controller. > Currently we are using only one core in 32 bit mode and > planning to use dual 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 on 10. > > When I stop and loader and assign it manually using > config command "set hw.pci8.9.INTA.irq=”17”" , > everything works fine. Would be great if some one can throw > some light on this IRQ mapping when IOAPIC is enabled and > possible fix ( Software or BIOS?) > > NOTE: Other devices ( Intel controller (em driver)) are > working fine only this BCM5703 is having issues with IOAPIC > > Thanks, > Ravi > > > >home | help
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