Could you give it a run through valgrind and see if it shows anything?
Thanks, Ali On 24.07.2012 13:55, Andrea Pellegrini wrote: > Hi all, > I am facing a bizarre issue w/ X86, SE, O3. > On my laptop the simulator works fine, but when I run gem5 on our simulation pool I almost always get "fatal: Out of memory, please increase size of physical memory". > Of course I recompile everything from scratch when I run gem5 on our servers. > I am currently trying to debug the issue, and it appears that the function "allocPhysPages" in file sim/system.cc receives a non correct input. > Does anyone have a clue about which might be the problem? (I will keep working on it, of course). > Thanks! > -Andrea > When I run it on my laptop I get: > > pagePtr: 1(pagePtr << LogVMPageSize) 4096 > physmem->size(): 536870912 > pagePtr: 2(pagePtr << LogVMPageSize) 8192 > physmem->size(): 536870912 > pagePtr: 3(pagePtr << LogVMPageSize) 12288 > physmem->size(): 536870912 > pagePtr: 4(pagePtr << LogVMPageSize) 16384 > physmem->size(): 536870912 > pagePtr: 5(pagePtr << LogVMPageSize) 20480 > physmem->size(): 536870912 > pagePtr: 6(pagePtr << LogVMPageSize) 24576 > physmem->size(): 536870912 > pagePtr: 7(pagePtr << LogVMPageSize) 28672 > physmem->size(): 536870912 > pagePtr: 8(pagePtr << LogVMPageSize) 32768 > physmem->size(): 536870912 > pagePtr: 9(pagePtr << LogVMPageSize) 36864 > physmem->size(): 536870912 > pagePtr: 10(pagePtr << LogVMPageSize) 40960 > physmem->size(): 536870912 > .... > On our servers I get (for different runs): > > /home/apellegr/viperII/svnrepo/viperII/results/2012-07-24_12.57.34/job00000001.log:pagePtr: 7305437193776922626(pagePtr << LogVMPageSize) 2451858153382354944 > physmem->size(): 536870912 > /home/apellegr/viperII/svnrepo/viperII/results/2012-07-24_12.57.34/job00000001.log_0:pagePtr: 56690169(pagePtr << LogVMPageSize) 232202932224 > physmem->size(): 536870912 > /home/apellegr/viperII/svnrepo/viperII/results/2012-07-24_12.57.34/job00000001.log_1:pagePtr: 60129542151(pagePtr << LogVMPageSize) 246290604650496 > physmem->size(): 536870912 > /home/apellegr/viperII/svnrepo/viperII/results/2012-07-24_12.57.34/job00000001.log_2:pagePtr: 60129542151(pagePtr << LogVMPageSize) 246290604650496 > physmem->size(): 536870912 > /home/apellegr/viperII/svnrepo/viperII/results/2012-07-24_12.57.34/job00000001.log_3:pagePtr: 60129542151(pagePtr << LogVMPageSize) 246290604650496 > physmem->size(): 536870912 > /home/apellegr/viperII/svnrepo/viperII/results/2012-07-24_12.57.34/job00000001.log_4:pagePtr: 7305437193776922626(pagePtr << LogVMPageSize) 2451858153382354944 > physmem->size(): 536870912
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