Vadimsky, кстати, Fedora тоже только 3.2Гб видит oO
Чую, это не баг...
Как включить поддержку PAE на ядре 3.1 без пересборки
Чудеса...
Wolfenberg, Ну не знаю я как ещё объяснить.
Вот пруфы:
http://www.apple-market.tv/blog/V-chem-raznitsa-mezhdu-32-i-64-bit
http://support.microsoft.com/kb/946765/ru
http://www.thg.ru/software/windows_64-bit_faq/index.html
Ну и последний агрумент.
У меня федора 16, 64 бита, сейчас на ней сижу.
[console]
vadim@zeon ~]$ free
total used free shared buffers cached
Mem: 4050220 1813976 2236244 0 55528 631056
-/+ buffers/cache: 1127392 2922828
Swap: 0 0 0
[vadim@zeon ~]$
[/console]
На работе такая же - видит все 8 гигов.
Я почему то всё равно склоняюсь к настройкам в биосе и проблеме с чипсетом. Но если винда видит,... не знаю как объяснить
[console]bobr@castor ~ $ free -m
total used free shared buffers cached
Mem: 5245 4005 1240 0 251 2221
-/+ buffers/cache: 1531 3714
Swap: 5119 0 5119
[/console]
Gentoo ~amd64. Всего оперативы 8г. Часть отдал для шиндошс, который запускается в xen.
Vadimsky, а как определить, куда делась остальная память?
BIOS -> Enabled advanced RAM 4096Mb
Windows -> Доступная память (ОЗУ) - 4Гб, доступно для чтения 3.25Гб (Windows 7 x86) oO
Просмотрел лог xserver - память видео - 512Мб.
Куда же кусок оперативки делся? oO
Установлена Ubuntu 10.04 (i386), возникла необходимость установить ядро 3.1.0. Ядро установила из *.deb пакетов (http://kernel.ubuntu.com/~kernel-ppa/ma … 1-oneiric/).
На компьютере установлено 8 ГБ оперативной памяти, после установки ядра 3.1 видится только 2,9 ГБ.
ставьте 64х битное ядро.
Мы бы с радостью, но у нас на этом комьютере резервный Сервер 1С развёрнут, а серверный ключ только 32-битный. Такой ключ на 64-битной системе работать не будет.
а вот это - не факт. ИМХО как раз будет. Только надо либы поставить (в Debian'е я ставил - всё работало)
кстати, Fedora тоже только 3.2Гб видит blink
Чую, это не баг...
от чипсета зависит на самом деле.
drBatty, Да ну? А в винде новый суперчипсет у меня стоит? oO
Windows -> Доступная память (ОЗУ) - 4Гб, доступно для чтения 3.25Гб (Windows 7 x86)
Кстати вот и ваш ответ.
4 то 4, но винде доступно 3.2 потому что x86
Тоесть всётаки чипсет. i945 не могут адресовать больше 3.2, и перепрошивка не помогает.
Если поставить туда 10, то он написеш что стоит 10, но доступны 3.2, это в винде, а в линуксе просто будет писть 3.2, без заморочек
В качестве эксеримента, попробуйте на другой материнке всю вашу память и 64-х битную ситему, любую, хоть винду, хоть линукс.
Vadimsky, у меня 975 чипсет oO
Мать Elitegroup - в спецификации написано, что максимальное количество в активном режиме DRAM - 4Gb.
У знакомого такой же чипсет. На выхлопе имеем все 4Гб
Правда, режим какой-то странный: Double suspend advanced oO
Винда стоит 32-битная потому, что на 64-разрядной многие офисные игры работают через одно место.
А покажи вывод dmidecode.
Да ну? А в винде новый суперчипсет у меня стоит?
а что стоит у меня в Ubuntu?
Vascom, Показать
# dmidecode 2.9
SMBIOS 2.5 present.
27 structures occupying 1366 bytes.
Table at 0x0009F800.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: American Megatrends Inc.
Version: 080012
Release Date: 05/15/2008
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 512 kB
Characteristics:
ISA is supported
PCI is supported
PNP is supported
APM is supported
BIOS is upgradeable
BIOS shadowing is allowed
ESCD support is available
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 KB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
LS-120 boot is supported
ATAPI Zip drive boot is supported
BIOS boot specification is supported
Targeted content distribution is supported
BIOS Revision: 8.12
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: ECS
Product Name: 945GCT-M5
Version: 1.0
Serial Number: To Be Filled By O.E.M.
UUID: 00020003-0004-0005-0006-000700080009
Wake-up Type: Power Switch
SKU Number: To Be Filled By O.E.M.
Family: To Be Filled By O.E.M.
Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
Manufacturer: Intel
Product Name: 945GCT-M5
Version: ECS
Serial Number: To be filled by O.E.M.
Asset Tag: To Be Filled By O.E.M.
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: To Be Filled By O.E.M.
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0
Handle 0x0003, DMI type 3, 21 bytes
Chassis Information
Manufacturer: ECS
Type: Desktop
Lock: Not Present
Version: To Be Filled By O.E.M.
Serial Number: To Be Filled By O.E.M.
Asset Tag: To Be Filled By O.E.M.
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: None
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: 1
Contained Elements: 0
Handle 0x0004, DMI type 4, 40 bytes
Processor Information
Socket Designation: CPU 1
Type: Central Processor
Family: Other
Manufacturer: Intel
ID: FD 06 00 00 FF FB EB BF
Version: Intel(R) Pentium(R) Dual CPU E2200 @ 2.20GHz
Voltage: 1.3 V
External Clock: 200 MHz
Max Speed: 2200 MHz
Current Speed: 2200 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: 0x0005
L2 Cache Handle: 0x0006
L3 Cache Handle: 0x0007
Serial Number: To Be Filled By O.E.M.
Asset Tag: To Be Filled By O.E.M.
Part Number: To Be Filled By O.E.M.
Core Count: 2
Core Enabled: 2
Thread Count: 2
Characteristics:
64-bit capable
Handle 0x0005, DMI type 7, 19 bytes
Cache Information
Socket Designation: L1-Cache
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Write Back
Location: Internal
Installed Size: 64 KB
Maximum Size: 64 KB
Supported SRAM Types:
Other
Installed SRAM Type: Other
Speed: Unknown
Error Correction Type: Parity
System Type: Data
Associativity: 8-way Set-associative
Handle 0x0006, DMI type 7, 19 bytes
Cache Information
Socket Designation: L2-Cache
Configuration: Enabled, Not Socketed, Level 2
Operational Mode: Write Back
Location: Internal
Installed Size: 1024 KB
Maximum Size: 1024 KB
Supported SRAM Types:
Other
Installed SRAM Type: Other
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Unified
Associativity: 4-way Set-associative
Handle 0x0007, DMI type 7, 19 bytes
Cache Information
Socket Designation: L3-Cache
Configuration: Disabled, Not Socketed, Level 3
Operational Mode: Unknown
Location: Internal
Installed Size: 0 KB
Maximum Size: 0 KB
Supported SRAM Types:
Unknown
Installed SRAM Type: Unknown
Speed: Unknown
Error Correction Type: Unknown
System Type: Unknown
Associativity: Unknown
Handle 0x0008, DMI type 5, 24 bytes
Memory Controller Information
Error Detecting Method: 64-bit ECC
Error Correcting Capabilities:
None
Supported Interleave: One-way Interleave
Current Interleave: One-way Interleave
Maximum Memory Module Size: 4096 MB
Maximum Total Memory Size: 16384 MB
Supported Speeds:
Other
Supported Memory Types:
DIMM
SDRAM
Memory Module Voltage: 3.3 V
Associated Memory Slots: 4
0x0009
0x000A
0x000B
0x000C
Enabled Error Correcting Capabilities:
None
Handle 0x0009, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM0
Bank Connections: 0 1
Current Speed: Unknown
Type: DIMM SDRAM
Installed Size: 2048 MB (Double-bank Connection)
Enabled Size: 2048 MB (Double-bank Connection)
Error Status: OK
Handle 0x000A, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM1
Bank Connections: 2 3
Current Speed: Unknown
Type: DIMM SDRAM
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK
Handle 0x000B, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM2
Bank Connections: 4 5
Current Speed: Unknown
Type: DIMM SDRAM
Installed Size: 2048 MB (Double-bank Connection)
Enabled Size: 2048 MB (Double-bank Connection)
Error Status: OK
Handle 0x000C, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM3
Bank Connections: 6 7
Current Speed: Unknown
Type: DIMM SDRAM
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK
Handle 0x000D, DMI type 13, 22 bytes
BIOS Language Information
Installable Languages: 1
en|US|iso8859-1
Currently Installed Language: en|US|iso8859-1
Handle 0x000E, DMI type 15, 35 bytes
System Event Log
Area Length: 4 bytes
Header Start Offset: 0x0000
Header Length: 2 bytes
Data Start Offset: 0x0002
Access Method: Indexed I/O, one 16-bit index port, one 8-bit data port
Access Address: Index 0x046A, Data 0x046C
Status: Invalid, Not Full
Change Token: 0x00000000
Header Format: No Header
Supported Log Type Descriptors: 6
Descriptor 1: End of log
Data Format 1: OEM-specific
Descriptor 2: End of log
Data Format 2: OEM-specific
Descriptor 3: End of log
Data Format 3: OEM-specific
Descriptor 4: End of log
Data Format 4: OEM-specific
Descriptor 5: End of log
Data Format 5: OEM-specific
Descriptor 6: End of log
Data Format 6: OEM-specific
Handle 0x000F, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 4 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x0010, DMI type 19, 15 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000CFFFFFFF
Range Size: 3328 MB
Physical Array Handle: 0x000F
Partition Width: 0
Handle 0x0011, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: SDRAM
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Manufacturer00
Serial Number: SerNum00
Asset Tag: AssetTagNum0
Part Number: ModulePartNumber00
Handle 0x0012, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0007FFFFFFF
Range Size: 2 GB
Physical Device Handle: 0x0011
Memory Array Mapped Address Handle: 0x0010
Partition Row Position: 1
Interleaved Data Depth: 1
Handle 0x0013, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: BANK1
Type: Unknown
Type Detail: Unknown
Speed: Unknown
Manufacturer: Manufacturer01
Serial Number: SerNum01
Asset Tag: AssetTagNum1
Part Number: ModulePartNumber01
Handle 0x0014, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000000003FF
Range Size: 1 kB
Physical Device Handle: 0x0013
Memory Array Mapped Address Handle: 0x0010
Partition Row Position: 1
Interleaved Data Depth: 1
Handle 0x0015, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM2
Bank Locator: BANK2
Type: SDRAM
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Manufacturer02
Serial Number: SerNum02
Asset Tag: AssetTagNum2
Part Number: ModulePartNumber02
Handle 0x0016, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00080000000
Ending Address: 0x000FFFFFFFF
Range Size: 2 GB
Physical Device Handle: 0x0015
Memory Array Mapped Address Handle: 0x0010
Partition Row Position: 1
Interleaved Data Depth: 1
Handle 0x0017, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: DIMM3
Bank Locator: BANK3
Type: Unknown
Type Detail: Unknown
Speed: Unknown
Manufacturer: Manufacturer03
Serial Number: SerNum03
Asset Tag: AssetTagNum3
Part Number: ModulePartNumber03
Handle 0x0018, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000000003FF
Range Size: 1 kB
Physical Device Handle: 0x0017
Memory Array Mapped Address Handle: 0x0010
Partition Row Position: 1
Interleaved Data Depth: 1
Handle 0x0019, DMI type 32, 20 bytes
System Boot Information
Status: No errors detected
Handle 0x001A, DMI type 127, 4 bytes
End Of Table
root@medvezhka-945GCT-M5:/home/medvezhka#
[/console]
Там одельные ядра с PAE и без оного. И если ОЗУ не более 4 ГБ, то ставить PAE не следует.
Нашла ядро 3.2 с PAE и установила его. Проблема решилась, видятся все 8 гигов оперативки. Спасибо.