dfly does not work on the Xeon E5 Sandy Bridge CPUs

[Andrey Oktyabrskiy]

On 11.12.2013 02:57, Venkatesh Srinivas wrote:
> On Wed, Dec 11, 2013 at 12:15:10AM +0400, Andrey Oktyabrskiy wrote:
>> On 10.12.2013 23:35, Francois Tigeot wrote:
>>> On Tue, Dec 10, 2013 at 11:08:14AM -0700, Samuel J. Greear wrote:
>>>> It works just fine on Xeon E3 Sandy/Ivy Bridge, for sure.
>>>
>>> DragonFly works just fine on Xeons E5 (and E5v2 as well).
>>>
>>> Nothing beats a little bit of dmesg output:
>>> http://dl.wolfpond.org/dmesgs/dmesg.Supermicro_X9DRI.txt
>> Hmm... That is the problem is in the KVM?
>>
>> DragonFly 3.6 64-bit does not boot in KVM. It hangs immediately after
>> loading kernel.
>
> What version of Linux/KVM and what hypervisor/version?

There is CentOS 6.5 with the default KVM. No more information, sorry.

FreeBSD does not work there too. But NetBSD works fine and I can show 
it's dmesg and pcictl output, if you need it for diagnostics.

P.S. I was wrong: there is Ivy Bridge Xeon E5, not Sandy Bridge:
Red Hat KVM (RHEL 6.5.0 PC)
mainbus0 (root)
cpu0 at mainbus0 apid 0: Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz, id 
0x306e4
cpu1 at mainbus0 apid 1: Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz, id 
0x306e4
cpu2 at mainbus0 apid 2: Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz, id 
0x306e4
cpu3 at mainbus0 apid 3: Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz, id 
0x306e4
ioapic0 at mainbus0 apid 0: pa 0xfec00000, version 11, 24 pins
acpi0 at mainbus0: Intel ACPICA 20110623
acpi0: X/RSDT: OemId <BOCHS ,BXPCRSDT,00000001>, AslId <BXPC,00000001>
LNKS: ACPI: Found matching pin for 0.1.INTA at func 3: 9
LNKD: ACPI: Found matching pin for 0.1.INTD at func 2: 11
LNKC: ACPI: Found matching pin for 0.3.INTA at func 0: 11
LNKD: ACPI: Found matching pin for 0.4.INTA at func 0: 11
LNKA: ACPI: Found matching pin for 0.5.INTA at func 0: 10
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900
...

$ pcictl pci0 list
000:00:0: Intel 82441FX (PMC) PCI and Memory Controller (host bridge, 
revision 0x02)
000:01:0: Intel 82371SB (PIIX3) PCI-ISA Bridge (ISA bridge)
000:01:1: Intel 82371SB (PIIX3) IDE Interface (IDE mass storage, 
interface 0x80)
000:01:2: Intel 82371SB (PIIX3) USB Host Controller (USB serial bus, 
revision 0x01)
000:01:3: Intel 82371AB (PIIX4) Power Management Controller 
(miscellaneous bridge, revision 0x03)
000:02:0: Cirrus Logic CL-GD5446 (VGA display)
000:03:0: Qumranet Virtio (ethernet network)
000:04:0: Qumranet Virtio (SCSI mass storage)
000:05:0: Qumranet Virtio (RAM memory)