Messages in this thread |  | | Date | Sat, 02 Feb 2002 13:08:23 -0500 | | From | Douglas Gilbert <> | | Subject | Re: SCSI + IDE = HANG |
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Keith Baker wrote: >I have had a few random hangs with my machine since I added a maxtor 27 > gig IDE drive to it. I kept trying different combinations of bus > positions etc. I figured it was flacky hardware or something. I added > the drive in the early 2.4 series. Recently I became slightly suspicious > of my Adaptec 2940U2W after reading all of the problems it had in the > early 2.4. So I upgraded the bios and got kernel 2.4.17. Though the > problem seems diminished it is certainly not gone... > > Now for the kicker... I found a 99% guarenteed way to hard lock my > box. I tried ripping two cds at a time. One on the ide bus and one on > the scsi. Just a note the data is being stored to the maxtor 27 gig > mentioned above. The reason I point to the IDE + SCSI combo is that I can > do two scsi cdroms ripping to the maxtor and it works much more > reliably. I am under the impression that IDE CDROMs use the ide bus quite > heavily under ripping...
Keith, Does turning off (or reducing the speed of) DMA to the IDE cdrom with either one of these commands help? hdparm -d0 -c1 /dev/hdd hdparm -d 1 -X 34 /dev/hdd [This assumes the IDE cdrom is connected to /dev/hdd.]
Doug Gilbert - 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/
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