Wow! That is it! Thank you, Aurlien! I'm using debian 10.2 and clearly the kernel config option is not there. After adding it back, the guest machine powers off correctly.
Now I only need to figure out how to properly update initrd in a crossbuild environment ... Cheers. Jun On Sat, Jan 25, 2020 at 4:49 AM Aurelien Jarno <[email protected]> wrote: > 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 > [email protected] http://www.aurel32.net >
