The only kernel likely to do dma on this system is the ac (Alan Cox) 
kernel.  You'd need download, patch and compile it yourself.

PS-Red Hat 7.3 doesn't do dma on a good many ide chipsets.  Even 
configurations that worked flawlessly under 7.2.

Mike Shilling wrote:

> im having some trouble enabling udma on my workstation.  ive got it 
> working flawlessly on my server so I think i know what im doing :)
>  
> here is my setup:
>  
> Abit BD7II motherboard (hell if I can figure out what IDE chipset this 
> has....the non-raid version of this board)
> seagate baracuda ataIV ultra100 60GB
>  
> here is what im seeing when I run hdparm:
>  
> [root@Godzilla ]# hdparm -d1 /dev/hda
>  
> /dev/hda:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)
> and this is a message im seeing at boot:
>  
> Sep 17 10:16:34 godzilla kernel: Uniform Multi-Platform E-IDE driver 
> Revision: 6.31
> Sep 17 10:16:34 godzilla kernel: ide: Assuming 33MHz system bus speed 
> for PIO modes; override with idebus=xx
> Sep 17 10:16:34 godzilla kernel: PCI_IDE: unknown IDE controller on 
> PCI bus 00 device f9, VID=8086, DID=24cb
> Sep 17 10:16:34 godzilla kernel: PCI: Device 00:1f.1 not available 
> because of resource collisions
> Sep 17 10:16:34 godzilla kernel: PCI_IDE: (ide_setup_pci_device:) 
> Could not enable device.
> Sep 17 10:16:34 godzilla kernel: hda: ST360021A, ATA DISK drive
> Sep 17 10:16:34 godzilla kernel: hdb: HITACHI DVD-ROM GD-3000, ATAPI 
> CD/DVD-ROM drive
> Sep 17 10:16:34 godzilla kernel: hdc: LITE-ON LTR-40125S, ATAPI 
> CD/DVD-ROM drive
> Sep 17 10:16:34 godzilla kernel: hdd: IOMEGA ZIP 100 ATAPI, ATAPI 
> FLOPPY drive
> [root@Godzilla ide]# cat /proc/ide/hda/driver
> ide-disk version 1.12
> [root@Godzilla ide]# cat /proc/ide/hda/model
> ST360021A
>  
> are there any known problems with this board?  is there any way I can 
> determine what ide chipset I have? - last but not least....any 
> suggestions on getting DMA running on this board with this drive?  I 
> cant handle this anymore:
>  
> /dev/hda:
>  Timing buffer-cache reads:   128 MB in  0.37 seconds =345.95 MB/sec
>  Timing buffered disk reads:  64 MB in 12.86 seconds =  4.98 MB/sec
>  
>  
> Thank you for your time.  I appreciate all feedback.
>  
> Mike Shilling
>  
>  
>  
>  
>  
>  
>  





-- 
redhat-list mailing list
unsubscribe mailto:[EMAIL PROTECTED]?subject=unsubscribe
https://listman.redhat.com/mailman/listinfo/redhat-list

Reply via email to