Date: Mon, 9 Jul 2007 14:14:36 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-acpi@freebsd.org, =?windows-1251?b?zOj14OjrIMrz9+jt?= <admin@mixey.spb.ru> Subject: Re: Asus P5W DH Deluxe APIC/SMP IRQ problem Message-ID: <200707091414.36956.jhb@freebsd.org> In-Reply-To: <1387899022.20070706140143@mixey.spb.ru> References: <1387899022.20070706140143@mixey.spb.ru>
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On Friday 06 July 2007 06:01:43 am =CC=E8=F5=E0=E8=EB =CA=F3=F7=E8=ED wrote: > Hi people! >=20 > Sorry for my bad english. Writing for the first time. I am searching help > =3D) >=20 > My OS: > FreeBSD 6.2-RELEASE >=20 > Hardware: > Asus P5W DH Deluxe MB (ICH7 Chipset) > Intel Core 2 Duo CPU (6700) > Integrated Netw Card (Marvell Yukon 88E8053 based Ethernet Controller) > S3 Trio PCI Video Card (very-very old) >=20 > Problem: > 40% of CPU is occupied by interrupts, in some cases (I tried many > ways of solving), I have "Interrupt storm detected" message. >=20 > atapci2 (see vmstat), as I understand, occupies CPU. Here is my RAID1=20 controller with > 400G Samsung Disks and other ICH7 stuff. >=20 > I tried to change in BIOS everything, disable everything, re-plug vga > card, unplug some RAM. BIOS is fresh: a week ago release. Tried 3 > different versions. Try turning off various device drivers (like myk) to see if you can get the= =20 interrupt storm on IRQ 23 to go away. It is likely a bug in interrupt=20 routing in your BIOS, but you can use a tunable to work around it, you just= =20 need to figure out which _other_ PCI device (not atapci2) is sending its=20 interrupts to IRQ 23 rather than the IRQ the BIOS told the OS. =2D-=20 John Baldwin
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