Hello,
Before anybody starts arguing that I don't have 64-bit, this is uname -r
and uname -m:
root@n03:~# uname -r
2.6.32-3-amd64
root@n03:~# uname -m
x86_64
As the subject suggest I have a box that does not utilize the available RAM
installed. I noticed that only 3.6gb RAM was recognized when I got
segmentation faults during a simulation.
The funny thing is that when I remove dims so that only 48gb RAM is
available then it works fine, I did a 'lshw -C memory' and it shows all the
dims at the correct spot (the output is attached). BIOS and memtest show
and successfully test all 64gb.
cat /proc/meminfo shows:
# cat /proc/meminfo
MemTotal: 3607688 kB
MemFree: 2802508 kB
Buffers: 0 kB
Cached: 704164 kB
SwapCached: 0 kB
Active: 25724 kB
Inactive: 684068 kB
Active(anon): 5720 kB
Inactive(anon): 0 kB
Active(file): 20004 kB
Inactive(file): 684068 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 5716 kB
Mapped: 4504 kB
Shmem: 92 kB
Slab: 49784 kB
SReclaimable: 29840 kB
SUnreclaim: 19944 kB
KernelStack: 3464 kB
PageTables: 1196 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1803844 kB
Committed_AS: 37792 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 283296 kB
VmallocChunk: 34359449396 kB
HardwareCorrupted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 5632 kB
DirectMap2M: 1566720 kB
DirectMap1G: 2097152 kB
Hope somebody can help me fix this, I cannot think of anything that could
cause this
Best regards,
Mohtadin
*-firmware
description: BIOS
vendor: American Megatrends Inc.
physical id: 0
version: 2102 (12/29/2011)
size: 64KiB
capacity: 1984KiB
capabilities: isa pci pnp upgrade shadowing escd cdboot bootselect
socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen
int9keyboard int14serial int17printer int10video acpi usb ls120boot zipboot
biosbootspecification
*-cache:0
description: L1 cache
physical id: 5
slot: L1-Cache
size: 768KiB
capacity: 768KiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
*-cache:1
description: L2 cache
physical id: 6
slot: L2-Cache
size: 16MiB
capacity: 16MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
*-cache:2
description: L3 cache
physical id: 7
slot: L3-Cache
size: 12MiB
capacity: 12MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
*-cache:0
description: L1 cache
physical id: 9
slot: L1-Cache
size: 768KiB
capacity: 768KiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
*-cache:1
description: L2 cache
physical id: a
slot: L2-Cache
size: 16MiB
capacity: 16MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
*-cache:2
description: L3 cache
physical id: b
slot: L3-Cache
size: 12MiB
capacity: 12MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
*-memory
description: System Memory
physical id: 3f
slot: System board or motherboard
size: 64GiB
*-bank:0
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber00
vendor: Manufacturer00
physical id: 0
serial: SerNum00
slot: DIMM_A1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:1
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber01
vendor: Manufacturer01
physical id: 1
serial: SerNum01
slot: DIMM_A2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:2
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber02
vendor: Manufacturer02
physical id: 2
serial: SerNum02
slot: DIMM_B1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:3
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber03
vendor: Manufacturer03
physical id: 3
serial: SerNum03
slot: DIMM_B2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:4
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber04
vendor: Manufacturer04
physical id: 4
serial: SerNum04
slot: DIMM_C1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:5
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber05
vendor: Manufacturer05
physical id: 5
serial: SerNum05
slot: DIMM_C2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:6
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber06
vendor: Manufacturer06
physical id: 6
serial: SerNum06
slot: DIMM_D1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:7
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber07
vendor: Manufacturer07
physical id: 7
serial: SerNum07
slot: DIMM_D2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:8
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber08
vendor: Manufacturer08
physical id: 8
serial: SerNum08
slot: DIMM_E1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:9
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber09
vendor: Manufacturer09
physical id: 9
serial: SerNum09
slot: DIMM_E2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:10
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber10
vendor: Manufacturer10
physical id: a
serial: SerNum10
slot: DIMM_F1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:11
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber11
vendor: Manufacturer11
physical id: b
serial: SerNum11
slot: DIMM_F2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:12
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber12
vendor: Manufacturer12
physical id: c
serial: SerNum12
slot: DIMM_G1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:13
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber13
vendor: Manufacturer13
physical id: d
serial: SerNum13
slot: DIMM_G2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:14
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber14
vendor: Manufacturer14
physical id: e
serial: SerNum14
slot: DIMM_H1
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:15
description: DIMM Synchronous 1333 MHz (0.8 ns)
product: ModulePartNumber15
vendor: Manufacturer15
physical id: f
serial: SerNum15
slot: DIMM_H2
size: 4GiB
width: 64 bits
clock: 1333MHz (0.8ns)
