Hi,

Trying to assign 512 MB memory to a qemu vrtual machine resulted in the error.

$ sudo qemu -m 512  -hda wd0.img -hdb wd1.img -cdrom LATEST-Devel.iso
Could not map physical memory

-m 493 works
-m 494 & -m 495 gives segmentation fault

then other interesting data

$ sudo qemu -m 496 -hda wd0.img -hdb wd1.img -cdrom LATEST-Devel.iso
qemu: could not open disk image wd1.img
$ sudo qemu -m 496 -hda wd0.img -hdb wd1.img -cdrom LATEST-Devel.iso
qemu: could not open disk image wd1.img
$ sudo qemu -m 497 -hda wd0.img -hdb wd1.img -cdrom LATEST-Devel.iso
qemu: could not open disk image wd1.img
$ sudo qemu -m 512 -hda wd0.img -hdb wd1.img -cdrom LATEST-Devel.iso
Could not map physical memory
$ ls
LATEST-Devel.iso qemu.core        wd0.img          wd1.img
$

Is it a bug in qemu that should be fixed?
how can I assign more than 493 MB memory for qemu virtual machines?

Thanks

--Siju

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