* [Bug 955] New: Nvidia Nforce2 interrupt handling problems
@ 2003-07-18 16:45 Martin J. Bligh
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From: Martin J. Bligh @ 2003-07-18 16:45 UTC (permalink / raw)
To: linux-kernel
http://bugme.osdl.org/show_bug.cgi?id=955
Summary: Nvidia Nforce2 interrupt handling problems
Kernel Version: 2.6.0-test1
Status: NEW
Severity: normal
Owner: greg@kroah.com
Submitter: andy-kernel.388488@dustman.net
Distribution: Gentoo
Hardware Environment: Athlon-XP, Nvidia Nforce2 chipset, Radeon 8500 (r200) AGP,
3com 3c920
Software Environment:
AWARD BIOS
gcc version 3.2.3 20030422 (Gentoo Linux 1.4 3.2.3-r1, propolice)
GNU ld version 2.14.90.0.2 20030515 <-- binutils
XFree-4.3.0
Problem Description:
PCI interrupt assignments get weird. With certain boot parameters, you can get
from mostly non-functional to mostly functional. dmesg from several combinations
of parmeters will be attached, but in a nutshell, with local APIC and IO-APIC
and ACPI enabled in the kernel, a lot of strange things happen, even if you use
noapic and pci=noacpi. Disabling the APIC helps a little, but to be functional
at all, pci=noacpi must be used.
Steps to reproduce:
Will be detailed in the following attachments.
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