On 05.11.21 14:06, Fabian Ebner wrote: > Since commit 277d33454f77ec1d1e0bc04e37621e4dd2424b67 in pve-qemu, > smm=off is no longer the default, but with SeaBIOS and serial display, > this can lead to a boot loop. > > Reported in the community forum [0] and reproduced with a Debian 10 > VM. > > [0]: > https://forum.proxmox.com/threads/pve-7-0-all-vms-with-cloud-init-seabios-fail-during-boot-process-bootloop-disk-not-found.97310/post-427129 > > Signed-off-by: Fabian Ebner <f.eb...@proxmox.com> > --- > PVE/QemuServer.pm | 12 ++++++++++ > test/cfg2cmd/seabios_serial.conf | 16 ++++++++++++++ > test/cfg2cmd/seabios_serial.conf.cmd | 33 ++++++++++++++++++++++++++++ > 3 files changed, 61 insertions(+) > create mode 100644 test/cfg2cmd/seabios_serial.conf > create mode 100644 test/cfg2cmd/seabios_serial.conf.cmd > > diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm > index 763c412..9b76512 100644 > --- a/PVE/QemuServer.pm > +++ b/PVE/QemuServer.pm > @@ -3403,6 +3403,16 @@ my sub get_cpuunits { > my ($conf) = @_; > return $conf->{cpuunits} // (PVE::CGroup::cgroup_mode() == 2 ? 100 : > 1024); > } > + > +# Since commit 277d33454f77ec1d1e0bc04e37621e4dd2424b67 in pve-qemu, smm is > not off by default > +# anymore. But smm=off seems to be required when using SeaBIOS and serial > display. > +my sub should_disable_smm { > + my ($conf, $vga) = @_; > + > + return (!defined($conf->{bios}) || $conf->{bios} eq 'seabios') && > + $vga->{type} && $vga->{type} =~ m/^serial\d+$/; > +} > + > sub config_to_command { > my ($storecfg, $vmid, $conf, $defaults, $forcemachine, $forcecpu, > $pbs_backing) = @_; > @@ -4002,6 +4012,8 @@ sub config_to_command { > push @$machineFlags, 'accel=tcg'; > } > > + push @$machineFlags, 'smm=off' if should_disable_smm($conf, $vga);
doesn't that breaks live migration or do we know that it could never work with smm=on under seabios + display=serial, so that there can no running VM that could be live migrated? _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
