After installing Fedora 18 there is strange increase of 1GB in absent memory versus F17.
F17 with latest kernel from official repos reported 7.7GB of available ram, now it's down to 6.5 :confused:
and Fedora 17 Live reports correct ammount:
Where did my 1 gig of ram go?
F17 with latest kernel from official repos reported 7.7GB of available ram, now it's down to 6.5 :confused:
Code:
$ dmesg | grep -e e820 -e Memory
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffffff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000003fffffff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000040000000-0x00000000401fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000040200000-0x0000000090bebfff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000090bec000-0x00000000dae9efff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000dae9f000-0x00000000daf9efff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x00000000daf9f000-0x00000000daffefff] ACPI data
[ 0.000000] BIOS-e820: [mem 0x00000000dafff000-0x00000000df9fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fed08000-0x00000000fed08fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000ffd20000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021e5fffff] usable
[ 0.000000] BIOS-e820: [mem 0x000000021e600000-0x000000021e7fffff] reserved
[ 0.000000] e820: update [mem 0x00000000-0x0000ffff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0x21e600 max_arch_pfn = 0x400000000
[ 0.000000] e820: last_pfn = 0x90bec max_arch_pfn = 0x400000000
[ 0.000000] e820: [mem 0xdfa00000-0xf7ffffff] available for PCI devices
[ 0.000000] Memory: 6832184k/8886272k available (6334k kernel code, 1827356k absent, 226732k reserved, 6870k data, 1036k init)Code:
$ cat /proc/meminfo | grep MemTotal
MemTotal: 6867304 kBCode:
$ uname -a
Linux octav 3.6.10-5.fc18.x86_64 #1 SMP Fri Dec 14 17:14:37 UTC 2012 x86_64 x86_64 x86_64 GNU/Linuxand Fedora 17 Live reports correct ammount:
Code:
$ dmesg | grep -e e820 -e Memory
[ 0.000000] BIOS-e820: 0000000000000000 - 0000000000058000 (usable)
[ 0.000000] BIOS-e820: 0000000000058000 - 0000000000059000 (ACPI NVS)
[ 0.000000] BIOS-e820: 0000000000059000 - 00000000000a0000 (usable)
[ 0.000000] BIOS-e820: 0000000000100000 - 0000000020000000 (usable)
[ 0.000000] BIOS-e820: 0000000020000000 - 0000000020200000 (reserved)
[ 0.000000] BIOS-e820: 0000000020200000 - 0000000040000000 (usable)
[ 0.000000] BIOS-e820: 0000000040000000 - 0000000040200000 (reserved)
[ 0.000000] BIOS-e820: 0000000040200000 - 00000000da99f000 (usable)
[ 0.000000] BIOS-e820: 00000000da99f000 - 00000000dae9f000 (reserved)
[ 0.000000] BIOS-e820: 00000000dae9f000 - 00000000daf9f000 (ACPI NVS)
[ 0.000000] BIOS-e820: 00000000daf9f000 - 00000000dafff000 (ACPI data)
[ 0.000000] BIOS-e820: 00000000dafff000 - 00000000db000000 (usable)
[ 0.000000] BIOS-e820: 00000000f80f8000 - 00000000f80f9000 (reserved)
[ 0.000000] BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved)
[ 0.000000] BIOS-e820: 0000000100000000 - 000000021e600000 (usable)
[ 0.000000] e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
[ 0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable)
[ 0.000000] Memory: 7992612k/8886272k available (6110k kernel code, 617284k absent, 276376k reserved, 4989k data, 1000k init)