Dvd writing speed slow

TemplarGR · 2009-12-31 15:45:15

I am having a problem with burning dvds. I use new a SATA LG DVD-RW drive supporting 22x writing speeds, and quality certified disks. After creating a burning group and changing permissions i was able to burn dvds using k3b, but at 1>speeds. Brasero faced the same problem. Any help would be welcome. If anyone knows some steps i could use to determine the problem and provide info that would be weclome too.

EDIT: The situation remains the same after using growisofs. It shows 22x speed but writes at 1> speeds. dmesg shows buffer I/O errors and something about growisofs using 32 bit capabilities legacy. I use 64 bit i don't know if it matters. Command hdparm -v /dev/dvd has this output:

/dev/dvd:
 HDIO_DRIVE_CMD(identify) failed: Bad address
 IO_support    =  1 (32-bit)
 readonly      =  0 (off)
 readahead     =  8 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device

Last edited by TemplarGR (2010-01-01 06:55:30)

TemplarGR · 2010-01-01 07:41:45

I finally found something about my problem, it seems there is an incompatibility issue with my drive, an LG GH22LS50, with current kernels. Read about it here:

http://ubuntuforums.org/showthread.php?p=8516952

neptoon · 2010-01-12 20:45:00

Hi TemplarGR

Did you have any success resolving this issue? I face the same problem with my new PC, my drive is an LG GH22NS. Write speed is always less than 1x. Tried to change SATA-Mode from AHCI to IDE, but that makes no difference.

Any hints?

Thanks,
neptoon

Xi0N · 2010-01-17 23:05:42

I have some similar issues:

Recording dual layer dvd's i set the speed to 2.4x, but the burner does the process at 0.6x ~ 0.7x...............

This happens when using growisofs............... and i tryied both by command line and via K3b... getting the very same results allways: A dual layer dvd takes 3 hours to be recorded at this speed.......

neptoon · 2010-01-18 08:24:53

@Xi0N
Is this also a drive from LG?

My "solution" for the moment was to go back to my old IDE burner. At least it works, although it is slower than my new S-ATA one could be ... :-/

Last edited by neptoon (2010-01-18 08:25:51)

Xi0N · 2010-01-18 08:55:13

Yes, it is an LG drive, indeed....
The previous one i had was a similar IDE LG model too, but this time is ATA, and having the very same issue....

It seems like a direct problem with LG devices, doesnt it?

neptoon · 2010-01-19 18:44:39

Yeah, it really looks like it is a problem with LG drives. Just don't know how to verify it :-/

Arch Linux

#1 2009-12-31 15:45:15

Dvd writing speed slow

#2 2010-01-01 07:41:45

Re: Dvd writing speed slow

#3 2010-01-12 20:45:00

Re: Dvd writing speed slow

#4 2010-01-17 23:05:42

Re: Dvd writing speed slow

#5 2010-01-18 08:24:53

Re: Dvd writing speed slow

#6 2010-01-18 08:55:13

Re: Dvd writing speed slow

#7 2010-01-19 18:44:39

Re: Dvd writing speed slow

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