On 13.06.22 16:37, Li Zhang wrote: > On Mon, Jun 13, 2022 at 4:19 PM Igor Mammedov <imamm...@redhat.com> wrote: >> >> On Mon, 13 Jun 2022 12:44:02 +0200 >> Li Zhang <lizh...@suse.de> wrote: >> >>> When no memory backend is specified in machine options, >>> a default memory device will be added with default_ram_id. >>> However, if a memory backend object is added in QEMU options >>> and id is the same as default_ram_id, a coredump happens. >>> >>> Command line: >>> qemu-system-x86_64 -name guest=vmtest,debug-threads=on \ >>> -machine pc-q35-6.0,accel=kvm,usb=off,vmport=off \ >>> -smp 16,sockets=16,cores=1,threads=1 \ >>> -m 4G \ >>> -object memory-backend-ram,id=pc.ram,size=4G \ >>> -no-user-config -nodefaults -nographic >>> >>> Stack trace of thread 16903: >>> #0 0x00007fb109a9318b raise (libc.so.6 + 0x3a18b) >>> #1 0x00007fb109a94585 abort (libc.so.6 + 0x3b585) >>> #2 0x0000558c34bc89be error_handle_fatal (qemu-system-x86_64 + >>> 0x9c89be) >>> #3 0x0000558c34bc8aee error_setv (qemu-system-x86_64 + 0x9c8aee) >>> #4 0x0000558c34bc8ccf error_setg_internal (qemu-system-x86_64 + >>> 0x9c8ccf) >>> #5 0x0000558c349f6899 object_property_try_add (qemu-system-x86_64 + >>> 0x7f6899) >>> #6 0x0000558c349f7df8 object_property_try_add_child >>> (qemu-system-x86_64 + 0x7f7df8) >>> #7 0x0000558c349f7e91 object_property_add_child (qemu-system-x86_64 + >>> 0x7f7e91) >>> #8 0x0000558c3454686d create_default_memdev (qemu-system-x86_64 + >>> 0x34686d) >>> #9 0x0000558c34546f58 qemu_init_board (qemu-system-x86_64 + 0x346f58) >>> #10 0x0000558c345471b9 qmp_x_exit_preconfig (qemu-system-x86_64 + >>> 0x3471b9) >>> #11 0x0000558c345497d9 qemu_init (qemu-system-x86_64 + 0x3497d9) >>> #12 0x0000558c344e54c2 main (qemu-system-x86_64 + 0x2e54c2) >>> #13 0x00007fb109a7e34d __libc_start_main (libc.so.6 + 0x2534d) >>> #14 0x0000558c344e53ba _start (qemu-system-x86_64 + 0x2e53ba) >>> >>> Signed-off-by: Li Zhang <lizh...@suse.de> >> >> Acked-by: Igor Mammedov <imamm...@redhat.com> >> >> >> CCing David as he probably would be the one to merge it >> > > Thanks for your review.
Acked-by: David Hildenbrand <da...@redhat.com> Paolo, can you queue this? https://lore.kernel.org/qemu-devel/20220613104402.10279-1-lizh...@suse.de/ -- Thanks, David / dhildenb
