Nathan Fontenot <nf...@linux.vnet.ibm.com> writes: > On 10/04/2017 03:21 PM, Daniel Henrique Barboza wrote: ... >> It appears that the hot unplug is failing because lmb_is_removable(lmb) is >> returning >> false inside dlpar_remove_lmb, triggering the hotplug of the LMBs again: ... >> >> I am not aware of anything that I can do from QEMU side to fix this. Can >> anyone take a look or provide >> guidance? Am I missing something in my tests? >> > > I don't think you are missing anything in your tests and am not sure that > this is a bug. > DLPAR memory remove operations are not guaranteed, memory remove requests > fail quite often > because the LMBs we are trying to remove are not removable. > > From the added printks you put in this appears to be what is happening. When > trying to > remove the range of LMBs, one of the memory sections in one of the LMBs is > not removbable, > this is seen when lmb_is_removable() returns false.
Yeah I agree. Unless you (Daniel) think there's some reason lmb_is_removable() is incorrectly returning false. But most likely it's correct and there's just an unmovable allocation in that range. cheers
