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s0ggyfish
n00b
Joined: 07 Jul 2003
Posts: 17
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 Posted: Thu Jul 17, 2003 9:32 am Post subject: a7a266 udma problems |
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I just got done installing gentoo and am now tweaking it to get the best performance out of it, and fiddling with hdparm trying to enable udma 5 is giving me some problems.
hdparm -d1 /dev/hda results in
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/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
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My motherboard has an ALI M1535D+ south bridge so I did some searching and enabled ALI M15x3 chipset support and recompiled the kernel, but hdparm -d1 /dev/hda still gives the same output. However, upon startup I now get
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Unifrom Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PCI: No IRQ known for interrupt pin A of device 00:04.0. Please try using pci=biosirq
ALI15X3: IDE controller on PCI bus 00 dev 20
ALI15X3: detected chipset, but driver not compiled in!
AlI15X3: chipset revision 196
ALI15X3: not 100% native mode: will probe irqs later
ALI15X3: simplex device: DMA disabled
ide0: ALI15X3 Bus-Master DMA disabled (BIOS)
ALI15X3: simplex device: DMA disabled
ide1: ALI15X3 Bus-Master DMA disabled (BIOS)
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ALi's website states that the 1535D+ is supported under linux (http://www.aliusa.com/eng/support/support_faq_linux.htm) and it looks like support is built in in the 2.4.x kernel versions, but I can't get it to work. Is there anything else I can do or something I'm overlooking? |
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cylgalad
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Joined: 18 Apr 2003
Posts: 1327
Location: France
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| Posted: Thu Jul 17, 2003 9:44 am Post subject: |
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I guess you need to recompile the kernel, enabling CONFIG_BLK_DEV_ALI15X3.
make menuconfig, in "ATA/IDE/MFM/RLL support", "IDE, ATA and ATAPI Block devices", press Y on "ALI M15x3 chipset support", exit, save, make dep, make bzImage modules modules_install etc... |
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s0ggyfish
n00b
Joined: 07 Jul 2003
Posts: 17
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| Posted: Thu Jul 17, 2003 5:22 pm Post subject: |
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| Yeah the wierd thing is that I had that selected, so the driver is compiled in. |
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cylgalad
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Joined: 18 Apr 2003
Posts: 1327
Location: France
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| Posted: Fri Jul 18, 2003 8:13 am Post subject: |
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Not as a module I hope 
Also : | Quote: | | If you say Y here, you also need to say Y to "Use DMA by default when available", above. |
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