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Re: Bug in growisofs: No write speed change possible for Philips DVDR824P



On Saturday 31 January 2004 23:39, Andy Polyakov wrote:
> Note that as of May 2003 I've decided to advise users to turn to
> <cdwrite@other.debian.org> on support matters. Subscribe page is at
> http://lists.debian.org/cdwrite/, archive - at
> http://www.mail-archive.com/cdwrite%40other.debian.org/.

Copy sent. When replying, please add me to CC. I am not subscribed.

> > No matter what write speed value I select my DVD-burner always chooses
> > the highest possible values. I am using dvd+rw-tools-5.17.4.8.6.
> >
> > I digged in the source and found that following the "GET PERFORMACE"
> > request (growisofs_mmc.cpp:785) my drive only returns one possible speed
> > value.
>
> You could as well just examine dvd+rw-mediainfo output:-)

Uncool ;-)

> > If I hardcode a legal speedvalue like 2.4 in growisofs_mmc.cpp my drive
> > uses that speed.
>
> Do you mean it accepts the command without signalling an error or do you
> mean that it accepts the command *and* performs the recording at chosen
> speed? Specification says that unit should accept *any* performance
> value and then stick to closest one from the list returned by GET
> PERFORMANCE.

It accepts the command and writes at speed 2.4 while GET PERFORMANCE returns 
only 8.  FWIT, cdrecord-prodvd has no problem with different speeds.

> Can you submit 'dvd+rw-format /dev/dvd verbose' output for your unit?
> With some multi-speed media in it? A.

I assume you mean dvd+rw-mediainfo.

./dvd+rw-mediainfo /dev/dvdrw verbose >/tmp/mediainfo.out 2>&1

I hope the attachment makes it to the mailing list.

Hälsing,
Matthias Grimrath


:-[ READ DVD STRUCTURE#11 failed with SK=5h/ASC=24h/ACQ=00h]: Input/output error
INQUIRY:                [PHILIPS ][DVDR824P        ][P1.2]
MODE SENSE[#3Fh]:
 01:	00 05 00 00 00 00 00 00 00 00
 05:	41 c4 08 00 00 00 00 00 00 00 00 20 00 96 00 00
	00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	00 00
 0D:	00 0c 00 3c 00 4b
 0E:	04 00 00 00 00 00 01 ff 02 ff 00 00 00 00
 1A:	00 01 00 00 00 00 00 00 09 60
 1D:	00 00 00 00 00 0a 00 1e
 2A:	1f 07 f5 67 29 20 2b 48 00 02 20 00 2b 48 00 00
	2b 48 2b 48 00 01 00 00 00 00 2b 48 00 03 00 00
	2b 48 00 00 15 a4 00 00 0c fc
MODE SENSE[#2A]:
 2A:	1f 07 f5 67 29 20 2b 48 00 02 20 00 2b 48 00 00
	2b 48 2b 48 00 01 00 00 00 00 2b 48 00 03 00 00
	2b 48 00 00 15 a4 00 00 0c fc
GET [CURRENT] CONFIGURATION:
 0000:	00 10 00 00 00 08 00 00 00 1b 01 00 00 1a 00 00
	00 09 00 00 00 0a 00 00
 0001:	00 00 00 02
 0002:	00 00 00 00
 0003:	29 00 00 00
 0010:	00 00 08 00 00 10 01 00
 001F:
 0021:	3f 0b 01 01 00 00 00 00
 002B:	01 00 00 00
 0100:
 0105:
 0107:	1f 00 00 00
 0108:	20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
 010A:	46 44 43 00 53 44 43 00 54 4f 43 00
 Mounted Media:         1Bh, DVD+R
 Current Write Speed:   8.0x1385=11080KB/s
 Write Speed #0:        8.0x1385=11080KB/s
 Write Speed #1:        4.0x1385=5540KB/s
 Write Speed #2:        2.4x1385=3324KB/s
GET CURRENT PERFORMANCE:	02 00 00 00 00 00 00 00 00 00 2b 48 00 23 05 3f 00 00 2b 48 
 Write Performance:     8.0x1385=11080KB/s@[0 -> 2295103]
GET PERFORMANCE:	00 00 00 00 00 23 05 3f 00 00 12 b3 00 00 2b 48 
 Speed Descriptor#0:    00/2295103 R@3.5x1385=4787KB/s W@8.0x1385=11080KB/s
READ DVD STRUCTURE[#FF]:
 STRUCTURE#00           40:2048
 STRUCTURE#01           40:4
 STRUCTURE#02           40:2048
 STRUCTURE#04           40:2048
 STRUCTURE#05           c0:4
 STRUCTURE#30           40:32768
 STRUCTURE#ff           40:28
READ DVD STRUCTURE[#0h]:	01 0f 02 00 00 03 00 00 00 26 05 3f 00 00 00 00
 Media Book Type:       01h, DVD-ROM book [revision 1]
 Media ID:              MCC/002
 Legacy lead-out at:    2295104*2KB=4700372992
READ DISC INFORMATION:	00 20 01 01 02 02 02 20 00 00 00 00 00 00 00 00
 Disc status:           appendable
 Number of Sessions:    2
 State of Last Session: empty
 "Next" Track:          2
 Number of Tracks:      2
READ TRACK INFORMATION[#1]:	00 22 01 01 00 07 01 00 00 00 00 00 00 21 4a 50
 Track State:           complete
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            2181712*2KB
READ TRACK INFORMATION[#2]:	00 26 02 02 00 07 41 01 00 21 52 50 00 21 52 50
 Track State:           blank
 Track Start Address:   2183760*2KB
 Next Writable Address: 2183760*2KB
 Free Blocks:           111344*2KB
 Track Size:            111344*2KB
FABRICATED TOC:		18 1 1
 Track#1  :             14@0
 Track#AA :             14@2181712
 Multi-session Info:    #1@0

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