Veja este relatório de erros . Houve um patch adicionado ao tpm-tools que quebrou o tpm_nvinfo. Recompilando a partir do código-fonte com as alterações de patch recomendadas para o RHEL7.
Eu instalei ferramentas de tpm do Ubuntu. a versão é 1.3.7 usando tpm_nvinfo.
root@test-hardware-1:/home/tseng/trousers-0.3.13# tpm_nvinfo
NVRAM index : 0x10000001 (268435457)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
NVRAM index : 0x1000f000 (268496896)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
NVRAM index : 0x50000003 (1342177283)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
NVRAM index : 0x50000001 (1342177281)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
NVRAM index : 0x20000002 (536870914)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
NVRAM index : 0x40000001 (1073741825)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
NVRAM index : 0x20000001 (536870913)
PCR read selection:
PCR write selection:
Permissions : 0x00000000 ()
bReadSTClear : FALSE
bWriteSTClear : FALSE
bWriteDefine : FALSE
Size : 0 (0x0)
Mostra tamanho incorreto. Precisa atualizar para 1.3.8
Veja este relatório de erros . Houve um patch adicionado ao tpm-tools que quebrou o tpm_nvinfo. Recompilando a partir do código-fonte com as alterações de patch recomendadas para o RHEL7.