Re: text-tsx fails on Intel core 8th gen system

[Jan Beulich <jbeulich@suse.com>]

On 03.04.2024 16:50, Marek Marczykowski-Górecki wrote:
> Hi,
> 
> I've noticed that tools/tests/tsx/test-tsx fails on a system with Intel
> Core i7-8750H. Specific error I get:
> 
>     [user@dom0 tsx]$ ./test-tsx 
>     TSX tests
>       Got 16 CPUs
>     Testing MSR_TSX_FORCE_ABORT consistency
>       CPU0 val 0
>     Testing MSR_TSX_CTRL consistency
>     Testing MSR_MCU_OPT_CTRL consistency
>       CPU0 val 0
>     Testing RTM behaviour
>       Got #UD
>       Host reports RTM, but appears unavailable

Isn't this ...

>     Testing PV default/max policies
>       Max: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>       Def: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>       HLE/RTM offered to guests despite not being available
>     Testing HVM default/max policies
>       Max: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>       Def: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>       HLE/RTM offered to guests despite not being available
>     Testing PV guest
>       Created d8
>       Cur: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>       Cur: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>     Testing HVM guest
>       Created d9
>       Cur: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>       Cur: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
>     [user@dom0 tsx]$ echo $?
>     1

... the reason for this?

Jan