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Currently, memory device (def->mems) part of cmd line is generated before any controller. In majority of cases it doesn't matter because neither of memory devices live on a bus that's created by an exposed controller (e.g. there's no DIMM controller, at least not exposed). Except for virtio-mem and virtio-pmem, which do have a PCI address. And if it so happens that the device goes onto non-default bus (pci.0) starting such guest fails, because the controller that creates the desired bus wasn't processed yet. QEMU processes arguments in order. For instance, if virtio-mem has address with bus='0x01' QEMU refuses to start with the following message: Bus 'pci.1' not found Similarly for virtio-pmem. I've successfully tested migration and changing the order does not affect migration stream. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2047271 Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Andrea Bolognani <abologna@redhat.com>
33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
LC_ALL=C \
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PATH=/bin \
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HOME=/tmp/lib/domain--1-QEMUGuest1 \
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USER=test \
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LOGNAME=test \
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XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
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XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
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XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
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QEMU_AUDIO_DRV=none \
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/usr/bin/qemu-system-ppc64 \
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-name guest=QEMUGuest1,debug-threads=on \
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-S \
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-object secret,id=masterKey0,format=raw,file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
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-machine pseries,usb=off,dump-guest-core=off \
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-accel kvm \
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-m size=1048576k,slots=16,maxmem=4194304k \
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-realtime mlock=off \
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-smp 1,sockets=1,cores=1,threads=1 \
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-uuid 49545eb3-75e1-2d0a-acdd-f0294406c99e \
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-display none \
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-no-user-config \
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-nodefaults \
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-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server=on,wait=off \
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-mon chardev=charmonitor,id=monitor,mode=control \
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-rtc base=utc \
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-no-shutdown \
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-boot strict=on \
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-object memory-backend-ram,id=memdimm0,size=536870912 \
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-device pc-dimm,memdev=memdimm0,id=dimm0,slot=0 \
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-object memory-backend-ram,id=memdimm1,size=536870912 \
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-device pc-dimm,memdev=memdimm1,id=dimm1,slot=1 \
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-msg timestamp=on
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