On 2020-01-24 19:05, Jun Sun wrote: > Here are more testing results > > - qemu 2.5 + debian10.2 + Malta + kernel4.19.0 : hangs on > poweroff ("reboot: System halted") for both 32bit and 64bit mipsel > - qemu 2.6 + debian9.11 + Malta + kernel4.9.0 : poweroff successfully > for both 32bit and 64bit mipsel > > Given these results, who is likely to blame? Debian? or kernel?
Probably a bit of both ;-) The poweroff implementation has changed in kernel 4.19 (commit dd129c6374) and requires that the kernel is built with CONFIG_POWER_RESET_PIIX4_POWEROFF=y to work. I have pushed the fix to the Debian kernel repository. However I am not sure it will be fixed for Debian 10.3, maybe it will only appear in Debian 10.4. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net