| Xen has absolutely no idea what type of memory modules 
you're using, so obviously this is not DIRECTLY causing the problem. 
   Have you tried runnign a memory test on the 16GB memories? 
It may just be that a slightly different setup of memory (caused by arbitrary 
changes in Xen 3.0.1->3.0.2) causes you to hit some bad spot in the memory. 
   To utterly prove that it's not a "module" issue, you could 
also try running 4 * 2GB instead of 8 * 1GB, which should have the same effect. 
   The only place where the actual configuration of the memory 
is known is within the BIOS that sets up the memory configuration early on in 
the boot process (before you see any text on your monitor). Beyond that, no 
software will touch anything that is related to what type or model of memory 
you're using [except for some utilities that are able to READ the memory 
configuration registers to tell you what type of memories you're using, etc, 
etc].    -- Mats 
 
  
  
  I have a HP ml370 with xen-3.0.1 and redhat 4.1 with 16 GB 
  memory (8 x 2GB). I want to upgrade to xen-3.0.2-2 because the server crashed 
  on the scsi driver.   If I boot the server with xen-3.0.2-2 it crashed on the 
  boot. But if I put 8 x 1GB memory the server boot fine.    So xen-3.0.2-2 can't work with 2GB memory modules. Is there 
  a compile option to solve this problem?    The memory is OK because it's work fine with redhat 4.1 
  (without xen) and xen-3.0.1   regards Kevin |