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jesso
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Joined: 27 Oct 2004
Posts: 397
Location: Canada

PostPosted: Wed Sep 20, 2006 1:09 pm    Post subject: do i have a problem with my dvd burner Reply with quote

I have setup hdparm to set dma on when booting. I check it and it is set. When I try to burn a data dvd-rw with growisofs, dma is then set to off.

Below I have included some information that I hope is useful to someone.

I'm really wondering if I have a problem and should it be writing at a higher speed?

Code:

lspci |grep -i ide
00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)


Code:

hdparm -i /dev/hda

/dev/hda:

 Model=LITE-ON DVDRW SHM-165H6S, FwRev=HP10, SerialNo=
 Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
 RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
 BuffType=unknown, BuffSize=0kB, MaxMultSect=0
 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
 IORDY=yes, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio3 pio4
 DMA modes:  sdma0 sdma1 sdma2 sdma? mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 udma2
 AdvancedPM=no
 Drive conforms to: Unspecified:  ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7

 * signifies the current active mode


Code:

hdparm /dev/hda

/dev/hda:
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device


Code:

dmesg | more

hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: DMA disabled
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Qdot
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Joined: 06 Jan 2005
Posts: 127

PostPosted: Wed Sep 20, 2006 1:28 pm    Post subject: Reply with quote

Are you trying to access the disk while it's being burned.. does it happen in command mode or something?

some drives don't lock reads when writing and it screws things around.
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jesso
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Joined: 27 Oct 2004
Posts: 397
Location: Canada

PostPosted: Wed Sep 20, 2006 1:31 pm    Post subject: Reply with quote

Qdot wrote:
Are you trying to access the disk while it's being burned.. does it happen in command mode or something?

some drives don't lock reads when writing and it screws things around.


I myself are not trying to access it. I did forget to say I am using K3B which uses growisofs.

After it has burmed the DVD, I check dma mode with hdparm and it is off. It is on before I start k3b.
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lucianolev
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Joined: 19 Sep 2006
Posts: 31

PostPosted: Tue Oct 10, 2006 5:49 pm    Post subject: Reply with quote

The same happens to me. Sometimes, CDs or DVDs just won't burn! While posting this, i'm burning a dvd and the cpu usage is about 100%.

I noticed this error from dmesg output:

Code:
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hda: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hda: DMA disabled
hda: ide_intr: huh? expected NULL handler on exit
hda: ATAPI reset complete


Any ideas why is this happening?

Thanks in advance, Luciano.
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lucianolev
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Joined: 19 Sep 2006
Posts: 31

PostPosted: Fri Oct 13, 2006 11:00 pm    Post subject: Reply with quote

I figured out the problem!
I realized I was using an 40w ide cable, so i changed it to an 80w and everything works perfectly now.

Bye.
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