Note an easier way to trigger the bug is cat /dev/vbi0 > /dev/null WORKS https://snapshot.debian.org/archive/debian/20220101T024315Z/pool/main/l/linux-signed-amd64/linux-image-5.10.0-9-amd64_5.10.70-1_amd64.deb linux-image-5.10.0-9-amd64_5.10.70-1_amd64.deb - kexecing in works
WORKS https://snapshot.debian.org/archive/debian/20220101T024315Z/pool/main/l/linux-signed-amd64/linux-image-5.15.0-2-amd64_5.15.5-2_amd64.deb 5.15.5-2 FAILS https://snapshot.debian.org/archive/debian/20220701T034227Z/pool/main/l/linux-signed-amd64/linux-image-amd64_5.18.5-1_amd64.deb [ 98.154835] BUG: unable to handle page fault for address: ffffbc2480f40000 [ 98.154848] #PF: supervisor write access in kernel mode [ 98.154853] #PF: error_code(0x000b) - reserved bit violation That 5.18 failure is a bit different, but the backtrace is similar; somewhere between 5.18 it's changed from a BUG to a WARN but back in 5.15 it just worked. Dave -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/
