Firmware Bug Affecting TPM_CRB Module in Linux Kernel 5.16.0-2204 LT

Impactful Storytelling

Users running Linux kernel 5.16.0-2204 LTS may encounter a firmware bug that affects the Trusted Platform Module Cryptographic Reset Block (TPM_CRB) module. This issue manifests itself as a 25-second delay during the boot process and can prevent the system from booting normally.

Technical Details

The bug was identified by executing the command "dmesg grep tpm_crb," which revealed the following error message:

i2c_hid_acpi Probe of i2c-INT33D100 failed with error -61. ACPI region does not cover the entire commandresponse buffer. 

This error indicates that the firmware bug affects the operation of the TPM_CRB module, which is responsible for securing the system firmware.

Call to Action

Users affected by this issue are advised to update their kernels to a later version that includes a fix for the bug. Alternatively, users may attempt to boot into default mode to bypass the issue temporarily.

Additional Information

The bug has been acknowledged by the Linux kernel developers and a fix is expected to be included in a future kernel release. In the meantime, users are encouraged to monitor the official Linux kernel mailing lists for further updates.

Conclusion

The firmware bug affecting the TPM_CRB module in Linux kernel 5.16.0-2204 LTS is a serious issue that can impact the security and usability of affected systems. Users are advised to take steps to mitigate the issue by updating their kernels or using alternative boot methods.