linux-kernel - Re: PCI ACPI/IRQ-routing broken on H77 chipset + Ivy Bridge (kernel 3.5-rc7 and earlier)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <loom.20120717T195910-7@post.gmane.org>
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/