[mythtv-users] SLow CD Reads

[Richard Gerald Houser]

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Nathan Ziarek wrote:
| Is this true for Mandrake as well?
|
| --
| Nathan Ziarek
| (414) 339 2513
| nathan at ziarek.com
| http://www.ziarek.com/
|
| -----Original Message-----
| From: mythtv-users-bounces at snowman.net
| [mailto:mythtv-users-bounces at snowman.net] On Behalf Of Brent Norris
| Sent: Friday, March 14, 2003 6:12 AM
| To: Discussion about mythtv
| Subject: Re: [mythtv-users] SLow CD Reads
|
| You may have already done this, but RH by default will not let you
| enable DMA on cd drives.  You need to add this to modules.conf
|
| options ide-cd dma=1
|
| that usually helps this out a lot.
|
| On Fri, 2003-03-14 at 00:22, Cedar McKay wrote:
|
|>I have the same problem. In addition, when playing from the cd in
|>mythmusic it will play for 3-5 seconds, pause, and play for another few
|>seconds and so on. I've been messing with dma settings (so far 0 and 1)
|>which seems to have no effect. I have also been messing with hdc boot
|>params. So far I've tried:
|>append="hdc=ide-scsi"
|>and
|>append="hdc=cdrom"
|>
|>
|>the first (which was the red hat default) didn't work at all. See my
|>previous mythmusic pleas.
|>
|>the second got it sort of working but I still have these pauses.
|>
|>
|>let me know if you figure anything out.
|>
|>
|>cedar
|>
|>
|>On Thursday, March 13, 2003, at 10:03  PM, Nathan Ziarek wrote:
|>
|>
|>>In MythMusic, when ripping tracks, the % bars goes a few real quick -
|>>like
|>>1-3% and then stalls while the CD read light is on. Then it jumps a
|>>little
|>>more...making it take 2-3minutes a track, which seems slow. It is a
|>>40X CD
|>>drive, but about 4 years old and from a lab machine; it got beat-up.
|>>Is it
|>>the problem or could it be something incorrectly set uP?
|>>
|>>Thanks,
|>>
|>>Nate
|>>
|>>
|>>_______________________________________________
|>>mythtv-users mailing list
|>>mythtv-users at snowman.net
|>>http://www.snowman.net/mailman/listinfo/mythtv-users
|>
|>_______________________________________________
|>mythtv-users mailing list
|>mythtv-users at snowman.net
|>http://www.snowman.net/mailman/listinfo/mythtv-users
|

by default, mandrake (at least 9.0) shuts off dma to cdrom drives in the
/etc/rc.d/rc.sysinit.  I agree with this decision (as both my cd-burner
and dvd-ram drive will cause a delayed kernel panic with it enabled).

"hdparm -d1 /dev/hdc" will enable it (obviously make this match your
drive)  Also note that it appears mandrake uses another system to assign
these properties at startup, so look at the appropriate section of
/etc/rc.d/rc.sysinit.
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