Comment 7 for bug 1771844

Revision history for this message
bugproxy (bugproxy) wrote : Comment bridged from LTC Bugzilla

------- Comment From <email address hidden> 2018-06-15 04:33 EDT-------
The proposed Bionic kernel enables the 'Implement reliable stack tracing for the consistency model' patch.

In brief:
------------
After upgrading the system by enabling bionic-proposed to sources.list:
deb http://archive.ubuntu.com/ubuntu/ bionic-proposed restricted main multiverse universe

system booted into kernel version 4.15.0-24-generic, using 4.15.0-24-generic sources (apt source linux) to build livepatch modules:
# insmod ./livepatch-0001-mm-thp-Do-not-make-page-table-dir.ko
# dmesg
.....
[ 1827.037453] livepatch_0001_mm_thp_Do_not_make_page_table_dir: loading out-of-tree module taints kernel.
[ 1827.037458] livepatch_0001_mm_thp_Do_not_make_page_table_dir: tainting kernel with TAINT_LIVEPATCH
[ 1827.043106] livepatch_0001_mm_thp_Do_not_make_page_table_dir: module verification failed: signature and/or required key missing - tainting kernel
[ 1827.176933] livepatch: enabling patch 'livepatch_0001_mm_thp_Do_not_make_page_table_dir'
[ 1827.179784] livepatch: 'livepatch_0001_mm_thp_Do_not_make_page_table_dir': starting patching transition
[ 1827.179785] livepatch: 'livepatch_0001_mm_thp_Do_not_make_page_table_dir': patching complete
[ 2526.521348] livepatch: 'livepatch_0001_mm_thp_Do_not_make_page_table_dir': starting unpatching transition
[ 2526.525554] livepatch: 'livepatch_0001_mm_thp_Do_not_make_page_table_dir': unpatching complete