Current-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: SunFire v100 / Acer M5229 IDE DMA error workaround

On Thu, 30 Oct 2008 01:45:01 -0400
Rafal Boni <> wrote:

> It's still quite possible the controller really doesn't have two fully
> independent channels (or channel register sets)
The Sun Netra X1 / T1 use the same:
aceride0: Acer Labs M5229 UDMA IDE Controller (rev. 0xc3)
and I had problems with it when both cannels where active.
If I run "dd if=/dev/zero of=/dev/wd[01]c" to wd0 and wd1 in parallel I
got DMA errors. A dd(1) to a single disk made no problems.



Home | Main Index | Thread Index | Old Index