Greetings, I have the following machine: https://dpaste.com/5BPA3F77F which I'm trying to boot in uefi. /etc/libvirt/qemu.conf looks like this: https://dpaste.com/B3SFHUY6R and the ovmf files exists in the path, see: # ll /usr/share/edk2-ovmf/OVMF_CODE.fd /usr/share/edk2-ovmf/OVMF_VARS.fd /usr/share/edk2-ovmf/OVMF_CODE.secboot.fd /usr/share/edk2-ovmf/OVMF_VARS.secboot.fd -rw-r--r-- 1 root root 1966080 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_CODE.fd -rw-r--r-- 1 root root 1966080 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_CODE.secboot.fd -rw-r--r-- 1 root root 131072 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_VARS.fd -rw-r--r-- 1 root root 131072 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_VARS.secboot.fd when I try to start the machine, I get this error: error: Failed to start domain vm1 error: operation failed: unable to find any master var store for loader: /usr/share/edk2-ovmf/OVMF_CODE.fd libvirt version is 6.7.0 and qemu version is 5.1.0 any idea how to fix this issue? Thanks. Dagg.
Martin Kletzander
2020-Oct-13 10:13 UTC
Re: unable to find any master var store for loader error
On Mon, Oct 12, 2020 at 10:52:25PM +0200, daggs wrote:>Greetings, > >I have the following machine: https://dpaste.com/5BPA3F77F which I'm trying to boot in uefi. >/etc/libvirt/qemu.conf looks like this: https://dpaste.com/B3SFHUY6R and the ovmf files exists in the path, see: ># ll /usr/share/edk2-ovmf/OVMF_CODE.fd /usr/share/edk2-ovmf/OVMF_VARS.fd /usr/share/edk2-ovmf/OVMF_CODE.secboot.fd /usr/share/edk2-ovmf/OVMF_VARS.secboot.fd >-rw-r--r-- 1 root root 1966080 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_CODE.fd >-rw-r--r-- 1 root root 1966080 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_CODE.secboot.fd >-rw-r--r-- 1 root root 131072 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_VARS.fd >-rw-r--r-- 1 root root 131072 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_VARS.secboot.fd > >when I try to start the machine, I get this error: >error: Failed to start domain vm1 >error: operation failed: unable to find any master var store for loader: /usr/share/edk2-ovmf/OVMF_CODE.fd > >libvirt version is 6.7.0 and qemu version is 5.1.0 > >any idea how to fix this issue? >What do you have in /usr/share/qemu/firmware/ ? There should be JSON files installed (by QEMU, I think) describing the possible firmware combinations.>Thanks. > >Dagg. >
Greetings Martin,> Sent: Tuesday, October 13, 2020 at 1:13 PM > From: "Martin Kletzander" <mkletzan@redhat.com> > To: "daggs" <daggs@gmx.com> > Cc: libvirt-users@redhat.com > Subject: Re: unable to find any master var store for loader error > What do you have in /usr/share/qemu/firmware/ ? There should be JSON files > installed (by QEMU, I think) describing the possible firmware combinations. >here: # ll /usr/share/qemu/firmware/ total 24 -rw-r--r-- 1 root root 716 Oct 7 19:25 50-edk2-i386-secure.json -rw-r--r-- 1 root root 741 Oct 7 19:25 50-edk2-x86_64-secure.json -rw-r--r-- 1 root root 622 Oct 7 19:25 60-edk2-aarch64.json -rw-r--r-- 1 root root 610 Oct 7 19:25 60-edk2-arm.json -rw-r--r-- 1 root root 667 Oct 7 19:25 60-edk2-i386.json -rw-r--r-- 1 root root 692 Oct 7 19:25 60-edk2-x86_64.json the content of 60-edk2-x86_64.json is: { "description": "UEFI firmware for x86_64", "interface-types": [ "uefi" ], "mapping": { "device": "flash", "executable": { "filename": "/usr/share/qemu/edk2-x86_64-code.fd", "format": "raw" }, "nvram-template": { "filename": "/usr/share/qemu/edk2-i386-vars.fd", "format": "raw" } }, "targets": [ { "architecture": "x86_64", "machines": [ "pc-i440fx-*", "pc-q35-*" ] } ], "features": [ "acpi-s3", "amd-sev", "verbose-dynamic" ], "tags": [ ] } both /usr/share/qemu/edk2-x86_64-code.fd and /usr/share/qemu/edk2-i386-vars.fd exists.
Michal Privoznik
2020-Oct-13 11:51 UTC
Re: unable to find any master var store for loader error
On 10/12/20 10:52 PM, daggs wrote:> Greetings, > > I have the following machine: https://dpaste.com/5BPA3F77F which I'm trying to boot in uefi. > /etc/libvirt/qemu.conf looks like this: https://dpaste.com/B3SFHUY6R and the ovmf files exists in the path, see: > # ll /usr/share/edk2-ovmf/OVMF_CODE.fd /usr/share/edk2-ovmf/OVMF_VARS.fd /usr/share/edk2-ovmf/OVMF_CODE.secboot.fd /usr/share/edk2-ovmf/OVMF_VARS.secboot.fd > -rw-r--r-- 1 root root 1966080 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_CODE.fd > -rw-r--r-- 1 root root 1966080 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_CODE.secboot.fd > -rw-r--r-- 1 root root 131072 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_VARS.fd > -rw-r--r-- 1 root root 131072 Aug 21 14:32 /usr/share/edk2-ovmf/OVMF_VARS.secboot.fd > > when I try to start the machine, I get this error: > error: Failed to start domain vm1 > error: operation failed: unable to find any master var store for loader: /usr/share/edk2-ovmf/OVMF_CODE.fd > > libvirt version is 6.7.0 and qemu version is 5.1.0 > > any idea how to fix this issue?Hey, I'll paste the interesting part of domain XML here so that it doesn't get lost: <os> <type arch='x86_64' machine='pc-q35-5.0'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/edk2-ovmf/OVMF_CODE.fd</loader> <nvram>/var/lib/libvirt/qemu/nvram/vm1_VARS.fd</nvram> <boot dev='hd'/> </os> And then in qemu.conf you define the pair: nvram = [ "/usr/share/edk2-ovmf/OVMF_CODE.fd:/usr/share/edk2-ovmf/OVMF_VARS.fd", "/usr/share/edk2-ovmf/OVMF_CODE.secboot.fd:/usr/share/edk2-ovmf/OVMF_VARS.secboot.fd" ] But as the comment in qemu.conf (just above your line) says, this is ignored if FW metadata files exist which is exactly your case and this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1763477 For your convenience you can switch to <os firmware='efi'/> (the <loader/> element will be removed automatically) or if you insist on using the old style then provide @template attribute to <nvram/>: <nvram template="/usr/share/edk2-ovmf/OVMF_CODE.fd">/var/lib/libvirt/qemu/nvram/vm1_VARS.fd</nvram> There is an internal list that is still consulted when finding matching _VARS fails, but your path is not on it: https://gitlab.com/libvirt/libvirt/-/blob/master/src/qemu/qemu_conf.c#L98 But it exists mostly to give distros enough time to switch to FW descriptors. Michal
Greetings Michal,> Sent: Tuesday, October 13, 2020 at 2:51 PM > From: "Michal Privoznik" <mprivozn@redhat.com> > To: "daggs" <daggs@gmx.com>, libvirt-users@redhat.com > Subject: Re: unable to find any master var store for loader error > > Hey, > > I'll paste the interesting part of domain XML here so that it doesn't > get lost: > > <os> > <type arch='x86_64' machine='pc-q35-5.0'>hvm</type> > <loader readonly='yes' > type='pflash'>/usr/share/edk2-ovmf/OVMF_CODE.fd</loader> > <nvram>/var/lib/libvirt/qemu/nvram/vm1_VARS.fd</nvram> > <boot dev='hd'/> > </os> > > And then in qemu.conf you define the pair: > > nvram = [ > "/usr/share/edk2-ovmf/OVMF_CODE.fd:/usr/share/edk2-ovmf/OVMF_VARS.fd", > "/usr/share/edk2-ovmf/OVMF_CODE.secboot.fd:/usr/share/edk2-ovmf/OVMF_VARS.secboot.fd" > ] > > But as the comment in qemu.conf (just above your line) says, this is > ignored if FW metadata files exist which is exactly your case and this bug: > > https://bugzilla.redhat.com/show_bug.cgi?id=1763477 > > For your convenience you can switch to <os firmware='efi'/> (the > <loader/> element will be removed automatically) or if you insist on > using the old style then provide @template attribute to <nvram/>: > > <nvram > template="/usr/share/edk2-ovmf/OVMF_CODE.fd">/var/lib/libvirt/qemu/nvram/vm1_VARS.fd</nvram> > > > There is an internal list that is still consulted when finding matching > _VARS fails, but your path is not on it: > > https://gitlab.com/libvirt/libvirt/-/blob/master/src/qemu/qemu_conf.c#L98 > > But it exists mostly to give distros enough time to switch to FW > descriptors. > > Michal > >thanks for the detailed explanation, I wanted to be sure I understand. the following is needed to be done: 1. replace this: <os> <type arch='x86_64' machine='pc-q35-5.0'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/edk2-ovmf/OVMF_CODE.fd</loader> <nvram>/var/lib/libvirt/qemu/nvram/vm1_VARS.fd</nvram> <boot dev='hd'/> </os> to this: <os firmware='efi'/> <type arch='x86_64' machine='pc-q35-5.0'>hvm</type> <boot dev='hd'/> </os> 2. patch qemu_conf.c to include the custom paths of my fd files? Thanks, Dagg.
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