On Thu, 2014-01-09 at 17:37 +0100, Maarten de Wolff wrote: > The xen kernel detects 3GB of memory instead of the full 4GB. When > using the "normal" kernel 4GB is detected. > > On boot the 4GB is detected: > root@ams-tc1-xen27:~# dmesg |grep Mem > [ 0.000000] Memory: 3226132k/4980736k available (3426k kernel code, > 788180k absent, 966424k reserved, 3312k data, 576k init) > > But only 3GB is used:
This only tells you what dom0 is seeing/using. What does "xl info" (or "xm info") tell you about the whole system? This might relate to the issue described in http://blog.xen.org/index.php/2012/04/30/memory-where-it-has-not-gone/ http://wiki.xen.org/wiki/Do%EF%BB%BFm0_Memory_%E2%80%94_Where_It_Has_Not_Gone Ian.
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