tpm2-abrmd run command for non-simulator tpm

[idesai]

sudo -u tss tpm2-abrmd
** (tpm2-abrmd:1838): WARNING **: failed to initialize device TCTI context: 0xa000a

** (tpm2-abrmd:1838): CRITICAL **: TCTI initialization failed: 0xa000a

tpm2_rc_decode 0xa000a
error layer
hex: 0xa0000
identifier: TSS2_TCTI_ERROR_LEVEL
description: Error from the TCTI
base error code
identifier: TSS2_BASE_RC_IO_ERROR
description: IO failure

[idesai]

Solved this by running without -u tss option
So run this just with
sudo tpm2-abrmd
May need to update the readme.
I tested this with ptt

[flihp]

What were the permissions on the TPM device node?:

$ls -l /dev/tpm*
???

[lamalexck]

Perhaps the udev.conf was not correctly installed One may need to use the --with-udevrulesdir configure options to install it at the right place to set /dev/tpm* owner correctly. From: Philip Tricca <notifications@github.com> Reply-To: 01org/tpm2-abrmd <reply@reply.github.com> Date: Wednesday, June 21, 2017 at 11:19 AM To: 01org/tpm2-abrmd <tpm2-abrmd@noreply.github.com> Cc: Subscribed <subscribed@noreply.github.com> Subject: Re: [01org/tpm2-abrmd] tpm2-abrmd run command for non-simulator tpm (#92) What were the permissions on the TPM device node?: $ls -l /dev/tpm* ??? — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub<#92 (comment)>, or mute the thread<https://github.com/notifications/unsubscribe-auth/ANDT0XGF9lhNwTPUrT5BdebR3AUjWAb-ks5sGV7BgaJpZM4OBTde>.

[flihp]

spot on @lamalexck : https://github.com/01org/tpm2-abrmd/blob/master/INSTALL.md#d-bus

[flihp]

whoops, meant to link https://github.com/01org/tpm2-abrmd/blob/master/INSTALL.md#udev

[idesai]

Thanks! These were my steps for ubuntu
ls /etc/udev/rules.d/ --> path where the rules should be at. Check for your distribution.
git clone https://github.com/01org/tpm2-abrmd.git
./bootstrap
./configure --with-dbuspolicydir=/etc/dbus-1/system.d --with-udevrulesdir=/etc/udev/rules.d/
make -j8
sudo make install
ls /etc/udev/rules.d/ --> should now have tpm-udev.rules
sudo udevadm control --reload-rules && sudo udevadm trigger
sudo mkdir -p /var/lib/tpm
sudo groupadd tss && sudo useradd -M -d /var/lib/tpm -s /bin/false -g tss tss
sudo pkill -HUP dbus-daemon
sudo -u tss tpm2-abrmd --tcti=device

[flihp]

thx for working through this and posting the results. It's a bit obnoxious that the default prefixis never the default directory for a distro's dbus / udev rules dir. Still if you know your distro the configurability makes customization easy. In the ideal end state distros will take care of all of this crap for the majority of users. Only devs like yourself need to know these details :)