Re: ALI15X3 (was: Problems with Maxtor 4G160J8 and 2.4.19-* +/- ac*)

From: Daniel Jacobowitz (
Date: Mon Jun 24 2002 - 10:18:24 EST

On Sun, Jun 23, 2002 at 04:38:44PM +0200, Lars Magne Ingebrigtsen wrote:
> Lars Magne Ingebrigtsen <> writes:
> > I've tried quite a few of the 2.4.19-pre patches, with or without
> > various -ac patches, including pre10 + ac2, and they all basically
> > display one of two behaviors: The machine either hangs just before
> > detecting the disk, or when doing the partition check for the disk.
> [...]
> > ALI15X3: IDE controller on PCI bus 00 dev 20
> > PCI: No IRQ known for interrupt pin A of device 00:04.0. Please try using pci=biosirq.
> > ALI15X3: chipset revision 196
> > ALI15X3: not 100% native mode: will probe irqs later
> > ide0: BM-DMA at 0xd400-0xd407, BIOS settings: hda:DMA, hdb:pio
> > ide1: BM-DMA at 0xd408-0xd40f, BIOS settings: hdc:pio, hdd:DMA
> After poking around a bit, it seems like the real problem might be
> with the ALI15X3 driver. I disabled that driver, and now I can boot
> using 2.4.19-pre10-ac2. Of course, that leaves me with no DMA...
> So -- is this a general problem with this driver, or does it only
> show up when using disks bigger than 128GiB?

I've had a lot of problems with ALI15x3; the patch that let me boot
(found somewhere on the net, do not remember the original author)
commented out the pci_read_config_byte and two pci_write_config_byte
calls right below the comment that says "set south-bridge's enable
bit". Recent -ac kernels have this in two places. DMA still works
after doing that; does this work for you?

Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Sun Jun 30 2002 - 22:00:07 EST