Messages in this thread | | | Date | Tue, 18 Sep 2007 05:14:00 -0400 | From | Alan Cox <> | Subject | Re: [PATCH 1/1] pata_it821x: fix lost interrupt with atapi devices |
| |
On Mon, Sep 17, 2007 at 01:46:01PM +0200, Tejun Heo wrote: > failures and would really like to know what's broken. The reason can be > one of the following two. > > 1. libata itself isn't doing anything wrong but using SCSI for mid and > high level drivers are causing problems as more types of commands are used. > > 2. Mode programming for MWDMA is broken. This doesn't seem too likely > as we're seeing MWDMA failures across different low level drivers but is > still a possibility.
3 and 4
3. Libata is wrong (it is in places)
4. Old IDE uses DMA much less for ATAPI especially - 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/
| |