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Description of problem: no support for supermicro X8OBN-F Version-Release number of selected component (if applicable): How reproducible: always Steps to Reproduce: 1. boot a fully loaded X8OBN-F 8x E7-8870@ 2.40GHz/1TB of RAM 2. 3. Actual results: kernel panic Expected results: boot Additional info: supermicro says no RHEL5 support! http://www.supermicro.com/support/faqs/faq.cfm?faq=11861
Created attachment 526849 [details] camera screenshot of panic SMP alternatives: switching to UP code
booting with 'nosmp' detect and use the full 1 TB of RAM, but fails to properly setup the internal intel cards (igb driver: 3.0.6-k2-1 or elrepo.org 3.1.16). ethtool and leds shows properly configured setup (link up/autoneg ok) but non functional. Changing to static or dhcp does not make any difference. RHEL6/CentOS6 works out of the box (same network configuration as for RHEL5): igb driver version 2.1.0-k2 or 3.1.16 for elrepo, both works fine.
ACPI warning on RHEL6: (not sure it's relevant) kiri-test kernel: ACPI Warning: 32/64 FACS address mismatch in FADT - two FACS tables! (20090903/tbfadt-369) kiri-test kernel: ACPI Warning: 32/64X FACS address mismatch in FADT - 79B95F40/0000000079B95F80, using32 (20090903/tbfadt-486)
Did you try booting with "noapic" (like the panic message says)? P.
yes I tried with 'noapic', and the panic happens at the same place in smp mode. Update from the vendor: - try upgrade bios to latest 1.0a - try bios option change E7-8800 family CPU now can support older OS by change the BIOS APIC setting from "Auto mode" to "compatible mode". I will report asap.
bios upgrade and bios configuration change make the kernel happy :)