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6291456
2007 Mar 05
3
CentOS 4.4 not seeing all RAM
...92 39572 0 197156
3127704
-/+ buffers/cache: 1444632 3364432
Swap: 2064376 176 2064200
The BIOS sees all of the RAM. In fact, it looks to me like the kernel
knows 6 GB is available. But, it is only using 4.8 GB because I see
this in dmesg:
Memory: 4808464k/6291456k available (2106k kernel code, 0k reserved,
1299k data, 196k init)
What happened to the other 1 GB+ of RAM?
BTW, the server isn't running all the newest updates, but it is running
the latest CentOS 4 kernel (2.6.9-42.0.10.ELsmp).
Regards,
Ranbir
--
Kanwar Ranbir Sandhu
Linux 2.6.19-1.2911.f...
2012 Oct 11
9
Xen 4.2 with EFI on IBM x3650 ACPI Bug
...ot=/dev/mapper/xen-fw_root ro
[ 1.097016] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 1.097021] __ex_table already sorted, skipping sort
[ 1.121932] software IO TLB [mem 0x16c800000-0x1707fffff] (64MB) mapped
at [ffff88016c800000-ffff8801707fffff]
[ 1.138656] Memory: 3815116k/6291456k available (3573k kernel code,
2141732k absent, 334608k reserved, 3147k data, 592k init)
[ 1.138717] Hierarchical RCU implementation.
[ 1.138718] RCU dyntick-idle grace-period acceleration is enabled.
[ 1.138719] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=1.
[ 1.138728] NR_IRQS:...