On Thu, Jul 28, 2005 at 09:26:44PM -0400, Daniel Kristjansson wrote: > My first guess would be that you should make sure DMA is working. Then > make sure that there aren't a lot of errors coming out of some driver. > hdparm and dmesg are your friends here.
> bash-2.05b# hdparm -tT /dev/hda > > /dev/hda: > Timing cached reads: 3376 MB in 2.00 seconds = 1688.26 MB/sec > Timing buffered disk reads: 144 MB in 3.04 seconds = 47.44 MB/sec Just to confirm this is not the problem; on my PATA and SATA disks, respectively (same model disk, but different interface types): /dev/hda: Timing cached reads: 1660 MB in 2.00 seconds = 829.30 MB/sec Timing buffered disk reads: 152 MB in 3.04 seconds = 50.02 MB/sec /dev/sda: Timing cached reads: 1664 MB in 2.00 seconds = 831.30 MB/sec Timing buffered disk reads: 164 MB in 3.01 seconds = 54.55 MB/sec /dev/hda: multcount = 0 (off) IO_support = 1 (32-bit) unmaskirq = 1 (on) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 19457/255/63, sectors = 160041885696, start = 0 The best suggestion I've heard is to use TS mode instead of PS. Hamish -- Hamish Moffatt VK3SB <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
_______________________________________________ mythtv-dev mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
