Intel E7-8891 v2 CM8063601377422 User Manual

Product codes
CM8063601377422
Page of 504
Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
381
Datasheet Volume Two: Functional Description, February 2014
Integrated I/O (IIO) Configuration Registers
14.6.47 VTUNCERRSEV
Intel
®
VT-d Uncorrectable Error Severity.
Type:
CFG
PortID:
N/A
Bus:
0
Device:
5Function:0
Offset:
0x1b0
Bit
Attr
Default
Description
31:31
RWS
0x0
vtderr_sev:
When set, this bit escalates reporting of Intel
®
VT-d spec defined errors, as 
FATAL errors. When clear, those errors are escalated as Nonfatal errors.
Setting this bit to a 1 can allow a guest VM to trigger an unrecoverable FATAL 
error at the platform. It is HIGHLY recommended that BIOS keep this bit set 
to 0, as such behavior is generally undesirable.
30:9
RV
-
Reserved1:
Reserved.
8:8
RWS
0x1
protmemviol_sev:
Protected memory region space violated severity.
7:7
RWS
0x1
miscerrsev:
6:6
RWS
0x0
unsucc_ci_rdcp_sev:
Unsuccessful status received in the coherent interface read completion 
severity.
5:5
RWS
0x1
perr_tlb1_sev:
TLB1 Parity Error severity.
4:4
RWS
0x1
perr_tlb0_sev:
TLB1 Parity Error severity.
3:3
RWS
0x1
perr_l3_lookup_sev:
Data Parity error while doing a L3 lookup severity
2:2
RWS
0x1
perr_l2_lookup_sev:
Data Parity error while doing a L2 lookup severity
1:1
RWS
0x1
perr_l1_lookup_sev:
Data Parity error while doing a L1 lookup severity
0:0
RWS
0x1
perr_context_cache_sev:
Data Parity error while doing a context cache lookup severity.
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