Re: Alpha MIATA + PCI - trouble?
Richard Henderson (rth@cygnus.com)
Mon, 31 Aug 1998 15:10:52 -0700
On Mon, Aug 31, 1998 at 03:09:21PM +0200, Jaroslav Kysela wrote:
> I'm now trying soundcard S3 SonicVibes with Alpha MIATA (pyxis),
> but I have big trouble with access to DMA registers. These registers are
> accessible via non-standard PCI interface (I/O address - port address -
> is stored in 32-bit PCI registers 0x40 & 0x48).
[...]
> kernel: PYXIS machine check NOT expected
> kernel: pyxis_machine_check: vector=0x660 la_ptr=0xfffffc00002085a0
> kernel: ^I^I pc=0xfffffc000047be88 size=0x1b8 procoffset=0xd8 sysoffset 0x160
You should use pci_read_config_byte and friends. A machine check
is the expected result of not using these functions.
r~
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