[coreboot] ASRock E350M1: MSR 0x00000175 SYSENTER_ESP has 1 inconsistent values across 2 CPUs

[Paul Menzel]

Dear coreboot folks,


running fwts V16.03.00 [1] on the ASRock E350M1, the following test fails.

```
FAILED [MEDIUM] MSRCPUsInconsistent: Test 1, MSR 0x00000175 SYSENTER_ESP has 1
inconsistent values across 2 CPUs (shift: 0 mask: 0xffffffffffffffff).
MSR CPU 0 -> 0xf77d0ab0 vs CPU 1 -> 0xf77e2ab0
```

The same problem with different values is reported when running the
vendor firmware.

```
FAILED [MEDIUM] MSRCPUsInconsistent: Test 1, MSR 0x00000175 SYSENTER_ESP has 1
inconsistent values across 2 CPUs (shift: 0 mask: 0xffffffffffffffff).
MSR CPU 0 -> 0xf79d076c vs CPU 1 -> 0xf79e276c
```

I wonder if it’s an AGESA problem, or if it’s a false positive.

Have you ever seen this?


Thanks,

Paul


[1] https://wiki.ubuntu.com/FirmwareTestSuite
    Firmware Test Suite (fwts)
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