Messages in this thread | | | Subject | Re: ide-cd vs. DMA | From | Benjamin Herrenschmidt <> | Date | Tue, 24 May 2005 14:03:38 +1000 |
| |
On Mon, 2005-05-23 at 23:59 -0400, Karim Yaghmour wrote: > Benjamin Herrenschmidt wrote: > > Well, not sure what's wrong here, but ATAPI errors shouldn't normally > > result in stopping DMA. We may want to just blacklist your drive rather > > than having this stupid fallback. In this case, I suspect it's > > CSS/region issue with a DVD. > > Here's a little bit more info: > > Here's from dmesg: > hdc: SAMSUNG SC-140B, ATAPI CD/DVD-ROM drive > hdc: ATAPI 40X CD-ROM drive, 128kB Cache, UDMA(33)
.../...
That's a lot of problems ... I would blame HW here, either a bad cable, bad master/slave jumpers or a bad drive in the chain... or maybe as you suggested, a problem with the controller.
Ben.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |