Re: [9fans] venti+fossil woes

[Christopher Nielsen <cnielsen@pobox.com>]

On Tue, Nov 18, 2003 at 06:10:06PM -0500, jmk@plan9.bell-labs.com wrote:
> cat '#P/irqalloc'
> should tell you.

ah great. thanks.

#nidaba cat '#P/irqalloc'
	 3	 0 debugpt
	 7	 0 mathemu
	 8	 0 doublefault
	 9	 0 mathover
	14	 0 fault386
	16	 0 matherror
	32	 0 clock
	33	 1 kbd
	36	 4 COM1
	38	 6 floppy
	41	 9 sdF (ata)
	41	 9 sdE (ata)
	43	11 usb0
	43	11 ether0
	47	15 sdD (ata)

So it looks like the controllers for the four disks are
sharing an interrupt. That could be a problem...

> > ...
> > The controller is a Promise 100TX2 (PDC20268).
> > ...
> Does anyone know if this works properly? I know the driver
> will recognise it, but are there any bugs/workarounds for this
> chip we are missing?

That was one of the first things I started to look into. I
didn't see anything unusual in the FreeBSD ata driver that
would indicate it has troubles. But I did see some possible
problems when I did a google search. I haven't had the time
to dive into it in enough detail. I'll see if I can find
anything useful.

--
Christopher Nielsen
"They who can give up essential liberty for temporary
safety, deserve neither liberty nor safety." --Benjamin Franklin