Control: tag -1 wontfix On Sat, 2020-04-18 at 18:50 +0000, brian m. carlson wrote: > Package: src:linux > Version: 5.5.17-1 > Severity: important > > By default, Debian ships kernels such that when booted with Secure Boot, > that a user cannot hibernate their computer. However, the combination > Alt-SysRq-x is documented in the wiki (which is linked to from the > kernel) to lift these restrictions and allow the user to hibernate. > > However, in this kernel version that does not work, and the user must > either disable secure boot or forego hibernation. When pressing > Alt-SysRq-x, the following is printed: > > sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) > memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) > show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) > poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) > show-task-states(t) unmount(u) force-fb(V) show-blocked-tasks(w) > dump-ftrace-buffer(z) [...]
This was an intentional change listed in the changelog, fixing bug #947021. Thanks for mentioning the wiki; I'll update that to reflect current reality. If you can't live with the restrictions of Secure Boot, you'll have to turn it off. Ben. -- Ben Hutchings If more than one person is responsible for a bug, no one is at fault.
signature.asc
Description: This is a digitally signed message part
