Re: [tboot-devel] tboot not picking the right ACM module on Dell Latitude E5470

[Timo L. <tim...@ik...>]

On Wed, 8 Apr 2020, Lukasz Hawrylko wrote:
> TBOOT has an algorithm that checks if SINIT matches platform. I can't
> tell you right now what is wrong here, I need some logs. Please run it
> once again, than after reboot, can you launch Linux without TBOOT and
> run 'txt-stat' tool that is in TBOOT's repo in 'utils' folder? What I
> need is a value of ERRORCODE field.
>
> If you can connect serial port and dump serial logs too that will be
> awesome. Dell's docking station has RS232 connector and TBOOT's logs are
> printed there (tested on my laptop).

$ txt-stat
Intel(r) TXT Configuration Registers:
 	STS: 0x00000012
 	    senter_done: FALSE
 	    sexit_done: TRUE
 	    mem_config_lock: FALSE
 	    private_open: FALSE
 	    locality_1_open: FALSE
 	    locality_2_open: FALSE
 	ESTS: 0x00
 	    txt_reset: FALSE
 	E2STS: 0x0000000000000008
 	    secrets: FALSE
 	ERRORCODE: 0xc0003c11
 	DIDVID: 0x00000001b0068086
 	    vendor_id: 0x8086
 	    device_id: 0xb006
 	    revision_id: 0x1
 	FSBIF: 0xffffffffffffffff
 	QPIIF: 0x000000009d003000
 	SINIT.BASE: 0xaced0000
 	SINIT.SIZE: 327680B (0x50000)
 	HEAP.BASE: 0xacf20000
 	HEAP.SIZE: 917504B (0xe0000)
 	DPR: 0x00000000ad000041
 	    lock: TRUE
 	    top: 0xad000000
 	    size: 4MB (4194304B)
 	PUBLIC.KEY:
 	    2d [REDACTED]
 	    77 [REDACTED]

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

I'll check if we can get serial output.


-Timo