On Wed, 15 Apr 2015, Andrew Cooper wrote: > On 14/04/15 23:06, Don Slutz wrote: > > This fixes an issue where "xl save" followed by "xl restore" reports: > > "xc: error: Failed to allocate memory for batch.!: Internal error" > > > > One of the ways to get into this state is to have more then 4 e1000 > > nics configured. > > > > Signed-off-by: Don Slutz <dsl...@verizon.com> > > I still don't think this is the correct solution, although I will > concede that this is a far better patch than v1. > > Going back to the original problem, why does Qemu need to change maxmem > in the first place? You talk about e1000 option roms, but the option > roms themselves must be allocated in an appropriate PCI bridge window.
QEMU allocates actual memory to store the option roms using xc_domain_populate_physmap_exact, increasing the total amount of ram allocated to the guest. QEMU needs to increase maxmem too, otherwise memory allocations will fail after a few option roms. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
