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Old 02-19-2004, 10:08 AM   #16
Chris H
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Registered: Aug 2003
Location: Farnborough, UK
Distribution: Zenwalk
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Alte can you post the output from dmesg straight after you try the hdparm -d1 /dev/hdc?
 
Old 02-19-2004, 10:16 AM   #17
Chris H
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Alte, found this from trawling the net

Add to /etc/modules.conf:

options ide-cd dma=1


Might be worth a go?
 
Old 02-19-2004, 10:59 AM   #18
AlteZza2k2
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hey, thanks for taking the time to try to help me. here is the dmesg right after hdparm (well, just the valid section anyways)

root@banias:~# hdparm -d1 /dev/hdc

/dev/hdc:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
root@banias:~# dmesg
Linux version 2.6.2 (root@banias) (gcc version 3.2.3) #9 Wed Feb 18 00:36:38 EST 2004
(PCI:33MHz:32-bit) 10/100/1000BaseT Ethernet 00:0b:db:01:8c:44
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
hda: HITACHI_DK23EB-40, ATA DISK drive
hdc: MATSHITA CD-RW/DVD-ROM UJDA740, ATAPI CD/DVD-ROM drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 128KiB
hda: 78140160 sectors (40007 MB) w/2048KiB Cache, CHS=65535/16/63
hda: hda1 hda2 < hda5 hda6 >
hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
Uniform CD-ROM driver Revision: 3.20
Console: switching to colour frame buffer device 175x65
ehci_hcd 0000:00:1d.7: EHCI Host Controller
PCI: Setting latency timer of device 0000:00:1d.7 to 64


and alos, i tried doing what you suggested with the modules.conf, however nothing is fixed .

this is turning out to be a very big problem for me. ive noticed that whenever i get intense hard drive activity, my mouse slows down. also, yesterday i tried extracting a 200 mb file and that took about 10 minutes! i think that fixing dma will solve all of my problems....hopefully.
 
Old 02-19-2004, 11:10 AM   #19
arnold
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Registered: Dec 2002
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my Mdk 8.2 (2.4.18 kernel) has:
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
CONFIG_IDEDMA_PCI_AUTO=y
# CONFIG_IDEDMA_ONLYDISK is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_PCI_WIP is not set
CONFIG_BLK_DEV_ADMA=y
CONFIG_IDEDMA_AUTO=y
# CONFIG_IDEDMA_IVB is not set
# CONFIG_DMA_NONPCI is not set
# CONFIG_SCSI_EATA_DMA is not set
# CONFIG_SOUND_DMAP is not set
 
Old 02-19-2004, 11:47 PM   #20
AlteZza2k2
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Registered: Sep 2003
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well, i fixed it . went through the dma options one more time and enabled CONFIG_BLK_DEV_PIIX=y. now dvd's and dma work great. thanks for everyone's help.
 
  


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