Bonjour
je n'arrive pas a activer l'udma
dans le noyau j'ai notement les options suivante dans ATA/ATAPI/.... support :
Generic PCI bus-master DMA
use PCI DMA by default when available
et j'ai mis le chipset : ATI IXP chipset IDE support (c peut etre pas le bon ? comment savoir ?)
Voici ce que me donne lspci
0000:00:00.0 Host bridge: ATI Technologies Inc Radeon 9100 IGP Host Bridge (rev
02)
0000:00:01.0 PCI bridge: ATI Technologies Inc Radeon 9100 IGP AGP Bridge
0000:00:13.0 USB Controller: ATI Technologies Inc OHCI USB Controller #1 (rev 01
)
0000:00:13.1 USB Controller: ATI Technologies Inc OHCI USB Controller #2 (rev 01
)
0000:00:14.0 SMBus: ATI Technologies Inc ATI SMBus (rev 16)
0000:00:14.1 IDE interface: ATI Technologies Inc: Unknown device 4349
0000:00:14.3 ISA bridge: ATI Technologies Inc: Unknown device 434c
0000:00:14.4 PCI bridge: ATI Technologies Inc: Unknown device 4342
0000:00:14.5 Multimedia audio controller: ATI Technologies Inc IXP150 AC'97 Audi
o Controller
0000:00:14.6 Modem: ATI Technologies Inc IXP AC'97 Modem (rev 01)
0000:01:05.0 VGA compatible controller: ATI Technologies Inc RS300M AGP [Radeon
Mobility 9100IGP]
0000:02:03.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C
/8139C+ (rev 10)
0000:02:04.0 CardBus bridge: Texas Instruments PCI1520 PC card Cardbus Controlle
r (rev 01)
0000:02:04.1 CardBus bridge: Texas Instruments PCI1520 PC card Cardbus Controlle
r (rev 01)
0000:02:07.0 USB Controller: NEC Corporation USB (rev 43)
0000:02:07.1 USB Controller: NEC Corporation USB (rev 43)
0000:02:07.2 USB Controller: NEC Corporation USB 2.0 (rev 04)
0000:03:00.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless
LAN Controller (rev 03)
ensuite j'ai fais un emerege de hdparm
les test me donne
bash-2.05b# hdparm -Tt /dev/hda1
/dev/hda1:
Timing cached reads: 756 MB in 2.00 seconds = 377.87 MB/sec
Timing buffered disk reads: 6 MB in 3.02 seconds = 1.99 MB/sec
voici la configuration
/dev/hda1:
multcount = 16 (on)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 16383/255/63, sectors = 10487199744, start = 63
au demarrage hdparm dit :HDIO_SET_DMA failed
voila dma est-il active ?
Ma vitesse du disque est-elle normale ?
Comment puis-je accelerer ?
Merci beaucoup de votre aide, je vous en serais tres reconnaissant!
Poste le Wednesday 9 February 2005 13:42:04