Hi Pascal, thank you for taking the time to report this issue.
There isn't info info to start looking at this yet. Can you please run
"apport-collect 2077121" to collect the logs, and other device info that
will assist in looking into this issue please?
** Changed in: linux-hwe-6.8 (Ubuntu)
Assignee: (unassigned) => Philip Cox (philcox)
** Changed in: linux-hwe-6.8 (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2077121
Title:
tpm chip timeout at boot
Status in linux-hwe-6.8 package in Ubuntu:
Incomplete
Bug description:
When booting the tpm chip times out and is not showing up in /dev.
Relevant Output of "dmesg | grep -i tpm":
[ 2.996408] tpm tpm0: Operation Timed out
[ 6.202396] tpm tpm0: Operation Timed out
[ 6.202401] tpm_crb: probe of MSFT0101:00 failed with error -62
[ 6.255296] ima: No TPM chip found, activating TPM-bypass!
I confirmed that it is the kernel by switching to 6.5.0-45-generic and
everything worked.
Ubuntu release: Ubuntu 22.04.4 LTS
linux-hwe-6.8-headers-6.8.0-40 version: 6.8.0-40.40~22.04.3
linux-hwe-6.8-tools-6.8.0-40 version: 6.8.0-40.40~22.04.3
linux-image-6.8.0-40-generic version: 6.8.0-40.40~22.04.3
Expected behavior: tpm working
What happened: tpm timed out and is not showing up, so it can't be
used
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