Re: [Xen-users] Xen not seeing all the memory in the box

[Rich Wales <richw@xxxxxxxxx>]

Replying to Jan Hejl:

> Try to add dom0_mem=16G,max:16G to your xen kernel line in GRUB config.

No success.  When I tried this, I couldn't get Xen to start up at all.  It
would say that it was loading the initial ramdisk -- and immediately after
that, the machine would reset and reboot, then do the same thing all over
again, and again, and again . . . .

Eventually, I chose "Ubuntu" from the GRUB screen (which made the system
boot up using ordinary Linux).  I tried editing /etc/default/grub to reduce
the dom0 memory allocation and rebooting -- but the same thing happened
repeatedly, until I finally reduced the dom0 memory to 2560M, at which
point Xen successfully started and I was able to log in.

The "total_memory" value from "xl info" is still 3010 (the same as it was
originally).  So I still can't launch any domU's.

So I still need help convincing Xen to see all 16 GB of RAM in this box.

Rich Wales
richw@xxxxxxxxx

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