Re: UEFI -l com1, stdio floods console/Windows Server SAC with "rdmsr to register 0x198 on vcpu..."

2021-01-17 Thread Michael Dexter

On 1/17/21 1:21 AM, Peter Grehan wrote:
Can the "rdmsr to register 0x198 on vcpu..." and similar messages on a 
-l com1,stdio console when using UEFI firmware be redirected or 
suppressed? The -w flag does not silence them, assuming, perhaps 
incorrectly, they are unsupported MSRs.


If redirected, should these be logged?


  Please file a PR (https://www.freebsd.org/support/bugreports.html)

  A simple workaround is to use an nmdm or pty device for com1 output.


PR filed and indeed!

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252768

All the best,

Michael
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Re: UEFI -l com1, stdio floods console/Windows Server SAC with "rdmsr to register 0x198 on vcpu..."

2021-01-17 Thread Peter Grehan
Can the "rdmsr to register 0x198 on vcpu..." and similar messages on a 
-l com1,stdio console when using UEFI firmware be redirected or 
suppressed? The -w flag does not silence them, assuming, perhaps 
incorrectly, they are unsupported MSRs.


If redirected, should these be logged?


 Please file a PR (https://www.freebsd.org/support/bugreports.html)

 A simple workaround is to use an nmdm or pty device for com1 output.

later,

Peter.
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UEFI -l com1,stdio floods console/Windows Server SAC with "rdmsr to register 0x198 on vcpu..."

2021-01-16 Thread Michael Dexter

Hello all,

Can the "rdmsr to register 0x198 on vcpu..." and similar messages on a 
-l com1,stdio console when using UEFI firmware be redirected or 
suppressed? The -w flag does not silence them, assuming, perhaps 
incorrectly, they are unsupported MSRs.


If redirected, should these be logged?

Thank you!

Michael
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