You also might try applying this DTV-ringbuffer patch:
http://www.gossamer-threads.com/lists/mythtv/dev/101580
to the latest CVS.
John
Yan-Fa Li wrote:
Two problems appear obvious:
1. Your drive isn't quite set correctly, just mostly.
Try adding:
hdparm -c3 /dev/hdb
You can also see if your chipset will tolerate
hdparm -u1 /dev/hdb
Not all of them will so you'll have to experiment to see if it causes problems.
2. move drive to master on /dev/hdc
You want to move the drive off the same controller as /dev/hda. Slave drives have very poor performance on IDE. You want it to be either master on /dev/hdc or on a different PCI IDE card away from your DVD-ROM. I tend to share the DVD-ROM with the second drive because they are rarely active at the same time.
john roberts wrote:
I'm running a CVS build from mid-Dec and I've noticed that every 15 sec's on recorded content I get heavy pixel-ation (if that's a word).
For a while I thought it was due to a weak station - but it does this for all recordings. And the fact it does this EVERY 15 sec's makes me think there is something odd going on.
I was thinking it might be a DMA issue - but the drive seems to be set correctly:
htpc / # /sbin/hdparm -v /dev/hdb
/dev/hdb: multcount = 16 (on) IO_support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 19929/255/63, sectors = 163928604672, start = 0
My setup:
- P4 3.2G - Dec CVS build - Gentoo - HD2000 - HD3000
Thanks! Could this be a Myth issue?
-John
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