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Problem with ressourcemanager / abrmd : ERROR: Could not load tcti, got: "device" #1238

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ghost opened this issue Nov 12, 2018 · 5 comments
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Problem with ressourcemanager / abrmd : ERROR: Could not load tcti, got: "device" #1238

ghost opened this issue Nov 12, 2018 · 5 comments

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@ghost
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ghost commented Nov 12, 2018 •
edited by ghost
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Hello,

i am testing tpm stack on a dell xps with a tpm2 integrated.
OS is ubuntu 18.04 LTS
kernel version: 4.15.0-36-generic

I have compiled sources as described on the documentation,
i can start either abrmd or ressourcemanager services using systemd,

the problem is that when i execute simple command with the ressource manager or abrmd started i get this error:

ERROR:tcti:src/tss2-tcti/tcti-device.c:319:Tss2_Tcti_Device_Init() Failed to open device file /dev/tpm0: Device or resource busy 
ERROR: tcti init allocation routine failed for library: "device" options: "(null)"
ERROR: Could not load tcti, got: "device"

without a abrmd or ressourcemanager commands line are working fine.

until i get this error when trying to load a key:


root@iRRo1:~/tpm2-src/tpm2-tools# tpm2_load -C context.primary -u key.pub -r key.priv -o key.ctx
ERROR: Tss2_Sys_Load(0x902) - tpm:warn(2.0): out of memory for object contexts

i saw in other thread that only 3 handle can be supported once and that ressourcemanager is suppossing dealing with that.

could you please tell me if i am missing something ?
@ghost
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ghost commented Nov 13, 2018

hi i just applied what was mentionned here:

https://github.com/tpm2-software/tpm2-tools/blob/master/man/common/tcti.md

root@iRRo1:~# sudo -u tss G_MESSAGES_DEBUG=all tpm2-abrmd 
** INFO: 17:49:40.165: tabrmd startup
** INFO: 17:49:40.165: logging to stdout
** (tpm2-abrmd:15617): DEBUG: 17:49:40.165: tcti_conf_parse
** (tpm2-abrmd:15617): DEBUG: 17:49:40.165: tcti_conf_parse: combined conf is null
** (tpm2-abrmd:15617): DEBUG: 17:49:40.165: tcti_dynamic_set_property: TctiDynamic 0x560774494c00 set filename: libtss2-tcti-device.so.0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: tcti_dynamic_set_property: TctiDynamic 0x560774494c00 PROP_CONF_STR set to: (null)
** INFO: 17:49:40.166: entering g_main_loop
** INFO: 17:49:40.166: init_thread_func start
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: random_class_init
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: opening entropy source: /dev/urandom
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: reading from entropy source: /dev/urandom
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: seeding rand with 1541989115453376185
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: connection_manager_set_property: 0x560774485300
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166:   max_connections: 0x1b
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: ConnectionManager: 0x560774485300
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: IpcFrontendDbus set bus_name: com.intel.tss2.Tabrmd
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: ipc_frontend_connect: 0x7f2138003460
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: tcti_initialize: 0x560774494c00
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: tcti_dynamic_initialize: TctiDynamic 0x560774494c00
** (tpm2-abrmd:15617): DEBUG: 17:49:40.166: tcti_util_discover_info
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: tcti_util_dynamic_init
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: sapi_context_init w/ Tcti: 0x560774494c00
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: tcti_peek_context: 0x560774494c00
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: Allocating 0x1048 bytes for SAPI context
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: access_broker_set_property: 0x7f21380190c0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167:   sapi_context: 0x7f2138017870
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: access_broker_set_property: 0x7f21380190c0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167:   tcti: 0x560774494c00
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: created AccessBroker: 0x7f21380190c0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.167: access_broker_init_tpm: 0x7f21380190c0
** INFO: 17:49:40.171: on_bus_acquired: com.intel.tss2.Tabrmd
** INFO: 17:49:40.173: on_name_acquired: com.intel.tss2.Tabrmd
** (tpm2-abrmd:15617): DEBUG: 17:49:40.173: Got proxy object for DBus daemon.
** (tpm2-abrmd:15617): DEBUG: 17:49:40.186: access_broker_get_tpm_properties_fixed
** (tpm2-abrmd:15617): DEBUG: 17:49:40.194: command_attrs_class_init
** (tpm2-abrmd:15617): DEBUG: 17:49:40.194: created CommandAttrs: 0x7f213800c640
** (tpm2-abrmd:15617): DEBUG: 17:49:40.194: GetCapabilty for 0xf80 commands
** (tpm2-abrmd:15617): DEBUG: 17:49:40.202: got attributes for 0x5f commands
** (tpm2-abrmd:15617): DEBUG: 17:49:40.202: command_source_class_init
** (tpm2-abrmd:15617): DEBUG: 17:49:40.202: command_source_set_properties: 0x560774496370
** (tpm2-abrmd:15617): DEBUG: 17:49:40.202:   command_attrs: 0x7f213800c640
** (tpm2-abrmd:15617): DEBUG: 17:49:40.202: command_source_set_properties: 0x560774496370
** (tpm2-abrmd:15617): DEBUG: 17:49:40.202: created command source: 0x560774496370
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: session_list_new with max-per-connection: 0x4
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: session_list_init
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: session_list_set_property: 0x7f213800c670 max-abandoned: 4
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: session_list_set_property: 0x7f213800c670 max-per-connection: 4
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: resource_manager_set_property: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203:   in_queue: 0x7f2138001520
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: resource_manager_set_property: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203:   access_broker: 0x7f21380190c0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: resource_manager_set_property: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: created ResourceManager: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: response_sink_set_property
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203:   setting PROP_IN_QUEUE
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: created response source: 0x7f213800c6d0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: source_add_sink
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: command_source_add_sink: CommandSource: 0x560774496370 , Sink: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: command_source_set_properties: 0x560774496370
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203:   sink: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: source_add_sink
** (tpm2-abrmd:15617): DEBUG: 17:49:40.203: resource_manager_add_sink: ResourceManager: 0x7f2138009440, Sink: 0x7f213800c6d0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.204: resource_manager_set_property: 0x7f2138009440
** (tpm2-abrmd:15617): DEBUG: 17:49:40.204:   sink: 0x7f213800c6d0
** INFO: 17:49:40.204: init_thread_func done
** (tpm2-abrmd:15617): DEBUG: 17:49:40.204: resource_manager_thread start
** (tpm2-abrmd:15617): DEBUG: 17:49:40.204: response_sink_thread blocking on input queue: 0x7f21380018c0
** (tpm2-abrmd:15617): DEBUG: 17:49:40.204: message_queue_dequeue 0x7f2138001520
** (tpm2-abrmd:15617): DEBUG: 17:49:40.204: message_queue_dequeue 0x7f21380018c0

root@iRRo1:~# export TPM2TOOLS_TCTI="abrmd:bus_name=com.intel.tss2.Tabrmd"
root@iRRo1:~# tpm2_listpersistent
ERROR: Could not dlopen library: "tabrmd"
ERROR: Could not load tcti, got: "tabrmd"

tabrmd is well starting but i can only execute command with the device mode ...

any idea about the problem ?

kind regards.

@williamcroberts
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williamcroberts commented Nov 13, 2018 via email

@ghost
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ghost commented Nov 13, 2018

yes, i have installed from sources,

but i can only see this shared libraries:

root@iRRo1:/usr/lib# ls /usr/lib | grep tcti
libtss2-tcti-device.a
libtss2-tcti-device.la
libtss2-tcti-device.so
libtss2-tcti-device.so.0
libtss2-tcti-device.so.0.0.0
libtss2-tcti-mssim.a
libtss2-tcti-mssim.la
libtss2-tcti-mssim.so
libtss2-tcti-mssim.so.0
libtss2-tcti-mssim.so.0.0.0

@ghost
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ghost commented Nov 13, 2018 •
edited by ghost
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my bad, i can see also these ones:

/usr/lib64/libtss2-tcti-tabrmd.a
/usr/lib64/libtss2-tcti-tabrmd.la
/usr/lib64/libtss2-tcti-tabrmd.so.0.0.0
/usr/lib64/libtss2-tcti-tabrmd.so
/usr/lib64/libtss2-tcti-tabrmd.so.0

and yes i have executed ldconfig

@ghost
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ghost commented Nov 13, 2018

you are right, i missed to add the good path on my ldconfig, problem is solved and it was a configuration one, many thanks.

@ghost ghost closed this as completed Nov 13, 2018
@khongyew khongyew mentioned this issue Oct 22, 2019
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