Hi Unknown
I hope to address my question to the right person, who can answer with
ease or redirect my question to the right person.
I have a laptop hp 625, low budget, with currently 1 GB RAM, of which
the Radeon 4250 occupies 256 MB shared RAM.
Needed are only 64 MByte from the grafic card.
I would like to reduce this amount, but I do not know which parameters
must be given to the kernel, and/or to the radeon module.
Chicken or egg ?
So my kernel swaps and swaps, until I stop touching it.
The details are in attached file.
There are incosistencies in the Documentation , on one place it is said,
that vramlimit must be given as a number 0 to ,, and this will be the
power of two in MBytes.On another place it is written that MBytes shall
be given straight.
Thank you for answering or forwarding
Best regards
Erich Minderlein
uname -a
Linux hp625 4.9.0-4-amd64 #1 SMP Debian 4.9.51-1 (2017-09-28) x86_64 GNU/Linux
radeontop :
1512008591.312571: gpu 1.67%, ee 1.67%, vgt 1.67%, ta 0.00%, tc 0.00%, sx
1.67%, sh 1.67%, spi 1.67%, smx 0.00%, cr 0.00%, sc 1.67%, pa 1.67%, db 1.67%,
cb 1.67%, vram 8.35% 21.37mb
1512008592.312892: gpu 1.67%, ee 1.67%, vgt 1.67%, ta 0.00%, tc 0.00%, sx
1.67%, sh 1.67%, spi 1.67%, smx 0.00%, cr 0.00%, sc 1.67%, pa 1.67%, db 1.67%,
cb 1.67%, vram 8.35% 21.37mb
1512008593.313160: gpu 0.00%, ee 0.00%, vgt 0.00%, ta 0.00%, tc 0.00%, sx
0.00%, sh 0.00%, spi 0.00%, smx 0.00%, cr 0.00%, sc 0.00%, pa 0.00%, db 0.00%,
cb 0.00%, vram 8.35% 21.37mb
1512008594.313401: gpu 0.00%, ee 0.00%, vgt 0.00%, ta 0.00%, tc 0.00%, sx
0.00%, sh 0.00%, spi 0.00%, smx 0.00%, cr 0.00%, sc 0.00%, pa 0.00%, db 0.00%,
cb 0.00%, vram 8.35% 21.37mb
1512008594.695940: gpu 0.00%, ee 0.00%, vgt 0.00%, ta 0.00%, tc 0.00%, sx
0.00%, sh 0.00%, spi 0.00%, smx 0.00%, cr 0.00%, sc 0.00%, pa 0.00%, db 0.00%,
cb 0.00%, vram 8.35% 21.37mb
vram 24% 67 MByte was the maximum ever seee.
lspci -vvvs 01:5.00
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RS880M [Mobility Radeon HD 4225/4250] (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company RS880M [Mobility Radeon HD 4225/4250]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 18
NUMA node: 0
Region 0: Memory at 40000000 (32-bit, prefetchable) [size=256M] <<==
Das ist Shared Memory
Region 1: I/O ports at 5000 [size=256]
Region 2: Memory at 54300000 (32-bit, non-prefetchable) [size=64K]
Region 5: Memory at 54200000 (32-bit, non-prefetchable) [size=1M]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Kernel driver in use: radeon
Kernel modules: radeon
1)
AMD RS880 Databook - AMD Support and Radeon
support.amd.com/TechDocs/46112.pdf
von Yahoo anonym öffnen
AMD RS880 Databook Device Specification for the RS880 Technical Reference
Manual ... Except as set forth in AMD's Standard Terms and Conditions of Sale,
...
2)
AMD RS880 ASIC Family BIOS Developer’s Guide
support.amd.com/TechDocs/46143.pdf
von Yahoo anonym öffnen
AMD RS880 ASIC Family BIOS Developer’s Guide For the RS880, RS880D, ... Except
as set forth in AMD's Standard ... The RS880 clock control block is located in
...
dmidecode -t memory
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.
Handle 0x0003, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: Not Provided
Number Of Devices: 2
Handle 0x0004, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0003
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 1024 MB
Form Factor: SODIMM
Set: None
Locator: Top-Slot 1(top)
Bank Locator: BANK0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Ramaxel
Serial Number: 10A15814
Asset Tag: Unknown
Part Number: RMT3010EF48E7W1333
Handle 0x0006, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0003
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: SODIMM
Set: None
Locator: Top-Slot 2(under)
Bank Locator: BANK2
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Unknown
Part Number: Not Specified
Ausgabe von free -m
total used free shared buff/cache available
Mem: 741 168 124 7 447 448
Swap: 762 94 668
End Laptop hp625
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