Messages in this thread | | | Subject | Re: Failure to shutdown/reboot with intel_iommu=on | From | Uwe Kleine-König <> | Date | Mon, 11 May 2020 21:58:10 +0200 |
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Hello Lenny,
On 5/11/20 3:43 PM, Lenny Szubowicz wrote: > I suspect that you have TPM 2.x functionality enabled in the BIOS/firmware.
Indeed.
> Unless you are actually using the TPM, try setting it to TPM 1.2 mode. > I've seen an incompatiblity on other Lenovo laptops between using the > IOMMU, TPM 2.x implementation in firmware, and shutdown/suspend.
When setting it to TPM 1.2 reboot works again. Didn't test poweroff and suspend/resume yet.
Best regards Uwe
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