[mythtv-users] gt 240, fanless card .. issues
Calvin Harrigan
charriglists at bellsouth.net
Tue Feb 2 21:37:42 UTC 2010
On 2/2/2010 4:22 PM, Misc Things wrote:
> On Tue, Feb 2, 2010 at 1:26 PM, David Durham <david.durham.jr at gmail.com
> <mailto:david.durham.jr at gmail.com>> wrote:
>
> >> $ sudo hdparm -tT /dev/sdh
> >>
> >> /dev/sdh:
> >> Timing cached reads: 7820 MB in 2.00 seconds = 3913.46 MB/sec
> >> Timing buffered disk reads: 40 MB in 4.31 seconds = 9.27
> MB/sec
> >>
> >
> > That is ridiculous. The buffered disk read should be 10 times
> that number..
>
> I ran it a few more times. Any idea what the issue could be?
>
>
> $ sudo hdparm -tT /dev/sdh
>
> /dev/sdh:
> Timing cached reads: 8196 MB in 2.00 seconds = 4101.81 MB/sec
> Timing buffered disk reads: 2 MB in 3.53 seconds = 580.46 kB/sec
> $ sudo hdparm -tT /dev/sdh
>
> /dev/sdh:
> Timing cached reads: 8036 MB in 2.00 seconds = 4021.32 MB/sec
> Timing buffered disk reads: 4 MB in 14.20 seconds = 288.43 kB/sec
> $ sudo hdparm -tT /dev/sdh
>
> /dev/sdh:
> Timing cached reads: 7744 MB in 2.00 seconds = 3875.10 MB/sec
> Timing buffered disk reads: 2 MB in 4.90 seconds = 417.84 kB/sec
>
>
>
> -Dave
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>
>
> it's not IDE so not be a bus issue..
>
>
>
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What are you reading from HD, CD, USB disk. What interface ide, sata,
scsi? scsi... LOLZ, ignore the last one. If you're getting these
types of numbers from a hard disk it's generally related to the wrong
chipset driver for the sata/ide interface being used. Did you compile a
custom kernel or did you use the default. What version/distribution are
you using? What kernel version, what motherboard/chipset?
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