The kernel seems try to set up the interrupt and send data, but failed. After got error returned, the kernel will disable interrupt and using polling instead.
I beleve it will have the following messages in dmesg log kernel: tpm tpm0: tpm_try_transmit: send(): error -62 kernel: tpm tpm0: [Firmware Bug]: TPM interrupt not working, polling instead The call trace seems from the patch which add the checking for the invalid status, https://patchwork.kernel.org/project/linux-integrity/patch/9bad3da0c31ae2620aaae0d75748c3387afa3d47.ca...@hansenpartnership.com/#23649371 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1933547 Title: tpm driver causes non-fatal kernel crash on boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1933547/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
