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Re: text-tsx fails on Intel core 8th gen system
- To: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 3 Apr 2024 17:04:20 +0200
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- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 03 Apr 2024 15:04:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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
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