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Subject[PROBLEM] ASUS Sandybridge motherboards + PCI not working (IRQ n: nobody cared)
Interrupt handling for *PCI boards with ASUS Sandybridge motherboards*
seems to be broken.

It has been seen with network and non-network PCI boards. PCIx network
boards work OK. And all reports are for ASUS motherboards.

It always results in the infamous "IRQ n: nobody cared" message usually
within an hour. It is possible to restart things by rmmod/modprobe on
the appropriate PCI driver.

Andrew Morton kindly took a quick look and thinks it is most likely an
ACPI bug.

Configuration summary:
- ASUS P8H67-V/R3 Motherboard (others have problems with similar M/Bs)
- M/B BIOS 0804 (just updated to that - no change)
- Core i5/2500K
- Onboard ethernet (at11c driver - works)
- Additional PCIx Intel ethernet board (e1000e driver - works)
- Additional PCI Broadcom BCM5702X ethernet board (tg3 driver - fails)
[ Also fails with other PCI boards such as RTL8139 ]
- Kernel 3.0.6


Any help much appreciated...

Previous references:

https://lkml.org/lkml/2011/6/30/197
https://bugzilla.kernel.org/show_bug.cgi?id=38632
https://bugzilla.redhat.com/show_bug.cgi?id=713351
https://bugzilla.kernel.org/show_bug.cgi?id=35332
https://bugzilla.kernel.org/show_bug.cgi?id=34242
https://bugzilla.kernel.org/show_bug.cgi?id=32242
https://bugzilla.kernel.org/show_bug.cgi?id=39122

Chris


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