Booting with acpiphp on this dual core, dual package (2x2) box causes an oops. Attachments: oops.txt: get right to the heart of the matter dmesg.dead.txt: entire dmesg from failing kernel dmesg.alive.txt: entire dmesg from successful kernel config.txt: kernel config lspci.txt: output of 'lspci' lspciv.txt: output of 'lspci -nvvv' The kernel tree used is 2.6.15-rc4 + git stuff. TOT is deda498710e190c7922c2634ed630ee64ce86c05. acpidmp output is also available at http://gtf.org/garzik/misc/acpidmp.out.txt Let me know if there is any additional info I can provide, or tests to perform. Jeff