Latest working kernel version: 2.6.22-2.6.22.17 Distribution: Gentoo Hardware Environment: 00:00.0 Host bridge [0600]: Intel Corporation 5000X Chipset Memory Controller Hub [8086:25c0] (rev 12) 00:02.0 PCI bridge [0604]: Intel Corporation 5000 Series Chipset PCI Express x4 Port 2 [8086:25e2] (rev 12) 00:03.0 PCI bridge [0604]: Intel Corporation 5000 Series Chipset PCI Express x4 Port 3 [8086:25e3] (rev 12) 00:04.0 PCI bridge [0604]: Intel Corporation 5000 Series Chipset PCI Express x8 Port 4-5 [8086:25f8] (rev 12) 00:05.0 PCI bridge [0604]: Intel Corporation 5000 Series Chipset PCI Express x4 Port 5 [8086:25e5] (rev 12) 00:06.0 PCI bridge [0604]: Intel Corporation 5000 Series Chipset PCI Express x8 Port 6-7 [8086:25f9] (rev 12) 00:07.0 PCI bridge [0604]: Intel Corporation 5000 Series Chipset PCI Express x4 Port 7 [8086:25e7] (rev 12) 00:08.0 System peripheral [0880]: Intel Corporation 5000 Series Chipset DMA Engine [8086:1a38] (rev 12) 00:10.0 Host bridge [0600]: Intel Corporation 5000 Series Chipset FSB Registers [8086:25f0] (rev 12) 00:10.1 Host bridge [0600]: Intel Corporation 5000 Series Chipset FSB Registers [8086:25f0] (rev 12) 00:10.2 Host bridge [0600]: Intel Corporation 5000 Series Chipset FSB Registers [8086:25f0] (rev 12) 00:11.0 Host bridge [0600]: Intel Corporation 5000 Series Chipset Reserved Registers [8086:25f1] (rev 12) 00:13.0 Host bridge [0600]: Intel Corporation 5000 Series Chipset Reserved Registers [8086:25f3] (rev 12) 00:15.0 Host bridge [0600]: Intel Corporation 5000 Series Chipset FBD Registers [8086:25f5] (rev 12) 00:16.0 Host bridge [0600]: Intel Corporation 5000 Series Chipset FBD Registers [8086:25f6] (rev 12) 00:1c.0 PCI bridge [0604]: Intel Corporation 631xESB/632xESB/3100 Chipset PCI Express Root Port 1 [8086:2690] (rev 09) 00:1d.0 USB Controller [0c03]: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #1 [8086:2688] (rev 09) 00:1d.1 USB Controller [0c03]: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #2 [8086:2689] (rev 09) 00:1d.7 USB Controller [0c03]: Intel Corporation 631xESB/632xESB/3100 Chipset EHCI USB2 Controller [8086:268c] (rev 09) 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev d9) 00:1f.0 ISA bridge [0601]: Intel Corporation 631xESB/632xESB/3100 Chipset LPC Interface Controller [8086:2670] (rev 09) 00:1f.1 IDE interface [0101]: Intel Corporation 631xESB/632xESB IDE Controller [8086:269e] (rev 09) 00:1f.2 IDE interface [0101]: Intel Corporation 631xESB/632xESB/3100 Chipset SATA IDE Controller [8086:2680] (rev 09) 01:00.0 SCSI storage controller [0100]: LSI Logic / Symbios Logic SAS1068E PCI-Express Fusion-MPT SAS [1000:0058] (rev 08) 02:00.0 PCI bridge [0604]: Broadcom EPB PCI-Express to PCI-X Bridge [1166:0103] (rev c3) 03:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet [14e4:164c] (rev 12) 04:00.0 PCI bridge [0604]: Intel Corporation 6311ESB/6321ESB PCI Express Upstream Port [8086:3500] (rev 01) 04:00.3 PCI bridge [0604]: Intel Corporation 6311ESB/6321ESB PCI Express to PCI-X Bridge [8086:350c] (rev 01) 05:00.0 PCI bridge [0604]: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E1 [8086:3510] (rev 01) 05:01.0 PCI bridge [0604]: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E2 [8086:3514] (rev 01) 06:00.0 PCI bridge [0604]: Broadcom EPB PCI-Express to PCI-X Bridge [1166:0103] (rev c3) 07:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet [14e4:164c] (rev 12) 0e:0d.0 VGA compatible controller [0300]: ATI Technologies Inc ES1000 [1002:515e] (rev 02) Software Environment: Gnu C 4.1.2 Gnu make 3.81 binutils Binutils util-linux 2.12r mount 2.12r module-init-tools 3.4 e2fsprogs 1.40.5 Linux C Library 2.7 Dynamic linker (ldd) 2.7 Procps 3.2.7 Net-tools 1.60 Kbd 1.13 Sh-utils 6.9 Attaching dmesg with oopses (2.6.23 and 2.6.23.14) and dmesg from 2.6.14.17 (working kernel). Please also note that 2.6.23.14 is not able to dump a full Oops msg!
Created attachment 14732 [details] Oops from 2.6.23
Created attachment 14733 [details] Oops from 2.6.23.14 (truncated)
Created attachment 14734 [details] Dmesg from 2.6.22.17 (working)
The same problem exists in 2.6.24.
Created attachment 14736 [details] Oops from 2.6.24
Created attachment 14773 [details] scsi-mpt-fusion-dont-oops-if-NumPhys-0.patch
How about attached patch? Works for me.
I had the same problem an a Dell PowerEdge 1950 with two SAS disks and the attached patch works for me, too.
Fixed in 2.6.25-rc5