Re: kvm errors when using greater than 3572m of memory

[Izik Eidus <izike-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Brian Almeida wrote:
> Hi,
>
> I get the following error when I give -m 3752 or higher:
>
> stormcrow:/data/kvm# kvm -no-acpi -m 3572 -cdrom
> /data/iso/w2k3_server_ent_r2_disc1.iso -boot d -usbdevice tablet
> tharkun.img 
> create_kernel_phys_mem: Invalid argumentset_vram_mapping: cannot
> allocate memory: Invalid argument
> NULL vram_pointe
>   
great :),
for to be able to run with above 4giga at "safe" way right now you need 
kvm module above 46
is it possible that you use the module from the 2.6.22 kernel? and not 
the module from the kvm-54 package?

please tell me what happen if you run it with -m 4096
> If I do -m 3751 I get no error and it works:
> stormcrow:/data/kvm# kvm -no-acpi -m 3571 -cdrom
> /data/iso/w2k3_server_ent_r2_disc1.iso -boot d -usbdevice tablet
> tharkun.img 
>
> If I go up a little bit higher, the message changes:
> stormcrow:/data/kvm# kvm -no-acpi -m 3600 -cdrom
> /data/iso/w2k3_server_ent_r2_disc1.iso -boot d -usbdevice tablet
> tharkun.img 
> qemu: could not load PC BIOS '/usr/share/kvm/bios.bin'
>
> shmmax is set to 4g:
> stormcrow:/data/kvm# cat /proc/sys/kernel/shmmax 
> 4294967296
>
> I'm using kvm 54 from Debian unstable on 2.6.22-3-amd64.  Any other
> debugging info can be provided upon request.
>
> Thanks,
>
> Brian
>
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