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Date: Tue, 17 Jul 2012 18:01:32 +0000 (UTC) From: Galen Seitz <galens@...tzassoc.com> To: linux-kernel@...r.kernel.org Subject: Re: PCI ACPI/IRQ-routing broken on H77 chipset + Ivy Bridge (kernel 3.5-rc7 and earlier) Malte Schröder <maltesch <at> gmx.de> writes: > > Hello, > this is yet another try to get someone to look at this ;) > > I can't get PCI-devices to work on my DH77KC mainboard. I tested this > using an AVM B1 ISDN card, a Fritz!PCI card and an old 3Com 905c NIC. > I attached some dumps in case it helps. The CPU is a Core i7 3770. > > PCI hardware is detected by the kernel, but it gives IRQ errors. Using > irqpoll allows the PCI card to somewhat work, but it is unreliable. > > There are some reports in Intel's support forums that also report > PCI-problems with this mainboard, but Intel doesn't seem to be > interested. So I hope this is something that is fixable on the kernel side. > > If there is more information needed, please let me know. > I was having similar problems with my DH77KC. I discovered that the BIOS interrupt routing tables for the conventional PCI slots are incorrect. See the discussion here: https://bugzilla.kernel.org/show_bug.cgi?id=43238 Galen Seitz -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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