Comment 19 for bug 1882890

Rodman: no, that's an older issue affecting a difference processor family.

This issue is specifically affecting processors with id 0x406e3; if the output of dmesg | grep microcode does not contain "sig=0x406e3" then you have a different issue, and should open a new bug report.

I am working on reverting the 0xdc version of the microcode for the 0x406e3 family back to the 0xd6 version included in 20191115 microcode update. Test packages should show up soon in https://launchpad.net/~sbeattie/+archive/ubuntu/lp1882890/ ; I would appreciate confirmation that those packages do allow affected systems to boot successfully.

Thanks, and sorry for the problems people are having.