Re: Plextor PX-716A DVD burner and xine (details)

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Raymond Lillard (rlillard) wrote:

> My problem is similar to Scot's (Plextor) and may be related.
> 
> I have installed FC3 (+ all outstanding updates) on a Dell
> Latitude D810 laptop.  The everything works, but I am unable
> to get my CD/DVD drive to use DMA. My experience with
> "hdparm" is the same as Scott's as described previously.
> 
> Interestingly, I have a Dell Inspiron 8100, which is nearly
> four years old running a fully patched FC2 OS with no DMA
> issues.  It is running kernel 2.6.10-1.770_FC2 which makes
> me think the problem is related to the 82801FBM (AKA ICH6R)
> in the D810.
> 
> Thanks for listening,
> Ray

I have the exact same problem on my Dell Inspiron 6000:

[root@mobile ~]# hdparm -d1 /dev/hdc

/dev/hdc:
 setting using_dma to 1 (on)
 HDIO_SET_DMA failed: Operation not permitted
 using_dma    =  0 (off)

This stinks, I can't watch DVDs on my laptop.

Here's my info...

[root@mobile ~]# cat /proc/ide/hdc/model
SAMSUNG CDRW/DVD SN-324S
[root@mobile ~]# cat /proc/ide/hdc/driver
ide-cdrom version 4.61
[root@mobile ~]# cat /proc/ide/hdc/settings
name                    value           min             max             mode
----                    -----           ---             ---             ----
current_speed           0               0               70              rw
dsc_overlap             0               0               1               rw
init_speed              0               0               70              rw
io_32bit                0               0               3               rw
keepsettings            0               0               1               rw
nice1                   1               0               1               rw
number                  0               0               3               rw
pio_mode                write-only      0               255             w
unmaskirq               0               0               1               rw
using_dma               0               0               1               rw

Thanks for listening also.


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