On 16.12.2014. 6:16, Jonathan Matthew wrote:
We just got some r630s too, so I spent some time last week figuring out what's
going on here.  Something in the AML wants to talk to the intel MEI device.
Normally this works, but on the new generation of dell machines (we've seen it
on r630s and r730s), it's been moved outside the pci memory range we currently
allow on amd64.  You can see this in your dmesgs:

0:22:0: mem address conflict 0x33ffff03000/0x10
0:22:1: mem address conflict 0x33ffff02000/0x10

The interrupt will keep triggering until it manages to talk to the device,
which will never happen.

kettenis@ says we can get the pci memory range information we need to deal with
this from acpi.  Until that happens, expanding the allowed pci memory range
makes things work properly.


Hi,

on R630 i have custom bios settings and noticed that even if C states are disabled in bios i can see them in dmesg
acpicpu0 at acpi0: C1
acpicpu1 at acpi0: C1
acpicpu2 at acpi0: C1
acpicpu3 at acpi0: C1
acpicpu4 at acpi0: C1
acpicpu5 at acpi0: C1
acpicpu6 at acpi0: C1
acpicpu7 at acpi0: C1

X2Apic is disabled too but in dmesg i see
cpu0: FPU,CPI,.......SSE4.1,SSE4.2,x2APIC

This is not good, right?

R630 bios settings

Processor Settings:
Logical Processor - Disabled
QPI Speed - Maximum data rate
Alternate RTID Settings - Disabled
Virtualization Technology - Disabled
Address Translation Service (ATS) - Disabled (gray)
Adjacent Cache Line Prefetch - Enabled
Hardware Prefetcher - Enabled
DCU Streamer Prefetcher - Enabled
DCU IP Prefetcher - Enabled
Execute Disabled - Enabled
Logical Processor Idling - Disabled
Configurable TDP - Nominal
X2Apic Mode - Disabled (gray)
Dell Controlled Turbo - Enabled

System Profile Settings:
System Profile - Custom
CPU Power Management - Maximum Performance
Memory Frequency - Maximum Performance
Turbo Boost - Enabled
Energy Efficient Turbo - Disabled
C1E - Disabled
C states - Disabled
Collaborative CPU Performance Control - Disabled
Memory Patrol Scrub - Standard
Memory Refresh Rate - 1x
Uncore Frequency - Maximum
Energy Efficient Policy - Performance

Full dmesg and acpidump from R630
http://kosjenka.srce.hr/~hrvoje/R630_custom_dmesg.txt
http://kosjenka.srce.hr/~hrvoje/R630_custom.tgz



R620 have similar settings and can't see C states in dmesg
acpicpu0 at acpi0
acpicpu1 at acpi0
acpicpu2 at acpi0
acpicpu3 at acpi0
acpicpu4 at acpi0
acpicpu5 at acpi0

R620 bios settings

Processor Settings:
Logical Processor - Disabled
Alternate RTID Settings - Disabled
Virtualization Technology - Disabled
Adjacent Cache Line Prefetch - Enabled
Hardware Prefetcher - Enabled
DCU Streamer Prefetcher - Enabled
DCU IP Prefetcher - Enabled
Logical Processor Idling - Disabled
Dell Controlled Turbo - Enabled

System Profile Settings:
System Profile - Custom
CPU Power Management - Maximum Performance
Memory Frequency - Maximum Performance
Turbo Boost - Enabled
C1E - Disabled
C states - Disabled
Monitor/Mwait - Disabled
Memory Patrol Scrub - Standard
Memory Refresh Rate - 1x
Memory Operating Voltage - Auto
Collaborative CPU Performance Control - Disabled


Full dmesg and acpidump from R620
http://kosjenka.srce.hr/~hrvoje/R620_custom_dmesg.txt
http://kosjenka.srce.hr/~hrvoje/R620_custom.tgz



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