Re: unable to migrate: virPortAllocatorSetUsed:299 : internal error: Failed to reserve port 49153

On 10/26/20 9:39 AM, Michal Privoznik wrote: > On 10/12/20 4:46 AM, Vjaceslavs Klimovs wrote: >> On libvirt 6.8.0 and qemu 5.1.0, when trying to live migrate "error: >> internal error: Failed to reserve port" error is received and >> migration does not succeed: >> >> virsh # migrate cartridge qemu+tls://ratchet.lan/system --live >> --persistent --undefinesource --copy-storage-all --verbose >> error: internal error: Failed to reserve port 49153 >> >> virsh # >> > > Sorry for not replying earlier. But this is a clear libvirt bug and I > think it's a regression introduced by the following commit: > > https://gitlab.com/libvirt/libvirt/-/commit/e74d627bb3b > > The problem is, if you have two or more disks that need to be copied > over to the destination, the @server_started variable is not set after > the first iteration of the "for (i = 0; i < vm->def->ndisks; i++)" loop. > I think this should be the fix: > Actually, you will need a second patch too. Here's the series: https://www.redhat.com/archives/libvir-list/2020-October/msg01358.html Michal