On Thursday, 20 July 2017 15:18:26 UTC+8, Patrik Hagara  wrote:

> Try checking the tboot log (from dom0) for any obvious error messages:
>   sudo txt-stat

Thanks. I did this, but I'm not sure how to interpret the information. It does 
say "TXT measures launch: FALSE". Does that mean that TXT is not available?

Here's the output of the command:

Intel(r) TXT Configuration Registers:
        STS: 0x00000082
            senter_done: FALSE
            sexit_done: TRUE
            mem_config_lock: FALSE
            private_open: TRUE
            locality_1_open: FALSE
            locality_2_open: FALSE
        ESTS: 0x00
            txt_reset: FALSE
        E2STS: 0x0000000000000004
            secrets: FALSE
        ERRORCODE: 0x00000000
        DIDVID: 0x00000001b0068086
            vendor_id: 0x8086
            device_id: 0xb006
            revision_id: 0x1
        FSBIF: 0xffffffffffffffff
        QPIIF: 0x000000009d003000
        SINIT.BASE: 0x00000000
        SINIT.SIZE: 0B (0x0)
        HEAP.BASE: 0x00000000
        HEAP.SIZE: 0B (0x0)
        DPR: 0x0000000000000000
            lock: FALSE
            top: 0x00000000
            size: 0MB (0B)
        PUBLIC.KEY:
            2d 67 dd d7 5e f9 33 92 66 a5 6f 27 18 95 55 ae 
            77 a2 b0 de 77 42 22 e5 de 24 8d be b8 e3 3d d7 

***********************************************************
         TXT measured launch: FALSE
         secrets flag set: FALSE
***********************************************************
unable to find TBOOT log   

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