Hi On Thu, Aug 01, 2019 at 04:21:20PM -0500, Zach Kubinski wrote: > Hi Jarkko, > I'm working on what I believe is a bug with our BIOS here at X-ES > which gives the following error in dmesg: > tpm_crb MSFT0101:00: can't request region for resource [mem > 0x7be54000-0x7be5402f] > tpm_crb: probe of MSFT0101:00 failed with error -16 > I've seen your name in many forums spanning the last couple years on > this > issue and related issues but I can't seem to find a thread that > accurately > describes and fixes the issue. > I wanted to reach out to see if you would be willing to help clarify a > thread or point me to one that could assist me in fixing this issue. > Currently, I believe that > this issue stems from the TPM attempting to allocate the Control > Area(CONA) in the ACPI_NVS region, shown in the e820 table, which > returns > the Linux error code -16 "EBUSY". > From what I read, the entire ACPI_NVS region has this flag which leads > me > to believe that there should be somewhere else to allocate the Control > Area. > I am using Linux Kernel 4-19-34 and my BIOS is UEFI Grangeville. If > you > would like any further information please let me know, I hope this > message > reaches you and I'm looking forward to hearing from you. > Best, > Zach Kubinski I would ask you to read https://www.kernel.org/doc/html/latest/process/email-clients.html and then configure your email client accordingly. Also go through this with time https://kernelnewbies.org/PatchCulture. Especially I would suggest to read email etiquette part carefully. Thank you. /Jarkko