Hi Bin, On 8/20/21 4:04 PM, Bin Meng wrote: > Hi, > > The following command used to work on QEMU 4.2.0, but is now broken > with QEMU head. > > $ qemu-system-arm -M xilinx-zynq-a9 -display none -m 40000000 > -nographic -serial /dev/null -serial mon:stdio -monitor null -device > loader,file=u-boot-dtb.bin,addr=0x4000000,cpu-num=0 > qemu-system-arm: cannot set up guest memory 'zynq.ext_ram': Cannot > allocate memory > > Any ideas?
Richard hit that recently too. Can you provide: cat /proc/sys/vm/overcommit_kbytes cat /proc/sys/vm/overcommit_memory cat /proc/sys/vm/overcommit_ratio and cat /proc/meminfo (CommitLimit, Committed_AS) and OOM messages. Per David, 'you can trick QEMU in trying to work around that issue, specifying a memory-backend-ram with "reserve=off" as guest RAM.'
