On 09.12.20 10:52, Sainz Markel wrote:
> After realizing the inconsistency on VT-x emulation in VMware and
> switching to VBox, I get the following error in hardware check command:
>
>
>
> mjonian@mjonian-VirtualBox:~/Projects/jailhouse/tools$ sudo jailhouse
> hardware check
>
> Feature Availability
>
> ------------------------------ ------------------
>
> Number of CPUs > 1 ok
>
> Long mode ok
>
> Traceback (most recent call last):
>
> File "./jailhouse-hardware-check", line 147, in <module>
>
> iommu, _ = sysfs_parser.parse_dmar(pci_devices, ioapics, dmar_regions)
>
> File
> "/home/mjonian/Projects/jailhouse/tools/../pyjailhouse/sysfs_parser.py",
> line 338, in parse_dmar
>
> f = input_open('/sys/firmware/acpi/tables/DMAR', 'rb')
>
> File
> "/home/mjonian/Projects/jailhouse/tools/../pyjailhouse/sysfs_parser.py",
> line 90, in input_open
>
> raise e
>
> IOError: [Errno 2] No such file or directory:
> '//sys/firmware/acpi/tables/DMAR'
>
Are you starting Linux with "intel_iommu=off"? Don't do that for running
the hardware check, only when running Jailhouse later on.
Jan
--
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux
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