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BD-RE recognized as DVD-ROM
Hi, I have connected a BD-Writer in FC4 box with kernel 2.6 It recognized the Writer as DVD-R. What will be the problem ? How to fix it ? Thanks, Vivek -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: growisofs and PX-716: impossible changing burning speed after the first burn.
- reboot the system;
- put 16x media in unit and collect 'dvd+rw-mediainfo /dev/cdrom
verbose' output;
- perform 8x recording;
- put another 16x media in unit and collect another
'dvd+rw-mediainfo
/dev/cdrom verbose' output;
Send both to me.
Here attached there are the two outputs.
Hope they can be useful.
It sound like firmware bug...
INQUIRY:[PLEXTOR ][DVDR PX-716A ][1.09]
Current Write Speed: 16.0x1385=22160KB/s
Write Speed #0:16.0x1385=22160KB/s
Write Speed #1:12.0x1385=16620KB/s
Write Speed #2:8.0x1385=11080KB/s
Write Speed #3:6.0x1385=8310KB/s
Write Speed #4:4.0x1385=5540KB/s
GET CURRENT PERFORMANCE:
Write Performance: 6.0x1385=8310KB/[EMAIL PROTECTED] -
16.0x1385=22160KB/[EMAIL PROTECTED]
GET PERFORMANCE:
Speed Descriptor#0:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#1:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#2:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#3:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#4:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
INQUIRY:[PLEXTOR ][DVDR PX-716A ][1.09]
Current Write Speed: 8.0x1385=11080KB/s
Write Speed #0:16.0x1385=22160KB/s
Write Speed #1:12.0x1385=16620KB/s
Write Speed #2:8.0x1385=11080KB/s
Write Speed #3:6.0x1385=8310KB/s
Write Speed #4:4.0x1385=5540KB/s
GET CURRENT PERFORMANCE:
Write Performance: 6.0x1385=8310KB/[EMAIL PROTECTED] -
16.0x1385=22160KB/[EMAIL PROTECTED]
GET PERFORMANCE:
Speed Descriptor#0:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#1:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#2:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#3:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Speed Descriptor#4:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
Note that GET CURRENT PERFORMANCE returns 16x in both cases, while
Current Write Speed is 8x in second case. The value obtained by GET
CURRENT PERFORMANCE, Write Performance is commonly controlled by SET
STREAMING command, while Current Write Speed [exposed through page
2A] - by SET CD SPEED command. Now, specification says that DVD
recording speed shall be controlled by SET STREAMING, while SET CD
SPEED [as well as page 2A] is retained for legacy CD recording [and
other] software. In other words new software is *expected* to use SET
STREAMING unit is *expected* to respect it. Some units even don't
expose DVD recording velocities through page 2A, and any attempt to
change its values has *no* effect on DVD recordings. Nor should it have
according to specification! And your firmware seems to violate this
clause by favoring Current Write Speed... File bug report to Plextor...
Try if attached snippet can reset Current Write Speed to 16x. Save it
to dvd+rw-tools source directory and compile with 'g++ resetspeed.cpp'.
What it does is send restore all defaults to unit, though through SET
STREAMING command. A.
#include transport.hxx
main(int argc,char *argv[])
{ Scsi_Command cmd;
unsigned char pd[28];
int err;
if (argc2)
fprintf (stderr,usage: %s /dev/dvd\n,argv[0]),
exit(1);
if (!cmd.associate (argv[1]))
fprintf (stderr,%s: unable to open: ,argv[1]), perror (NULL),
exit(1);
memset(pd,0,sizeof(pd));
pd[0]=4; // RDD
cmd[0]=0xB6; // SET STREAMING
cmd[10]=sizeof(pd);
cmd[11]=0;
if ((err=cmd.transport (WRITE,pd,sizeof(pd
sperror (SET STREAMING,err),
exit(1);
}
Re: growisofs and PX-716: impossible changing burning speed after the first burn.
On Thursday 08 June 2006 16:15, Andy Polyakov wrote: - reboot the system; - put 16x media in unit and collect 'dvd+rw-mediainfo /dev/cdrom verbose' output; - perform 8x recording; - put another 16x media in unit and collect another 'dvd+rw-mediainfo /dev/cdrom verbose' output; Send both to me. Here attached there are the two outputs. Hope they can be useful. It sound like firmware bug... INQUIRY:[PLEXTOR ][DVDR PX-716A ][1.09] Current Write Speed: 16.0x1385=22160KB/s Write Speed #0:16.0x1385=22160KB/s Write Speed #1:12.0x1385=16620KB/s Write Speed #2:8.0x1385=11080KB/s Write Speed #3:6.0x1385=8310KB/s Write Speed #4:4.0x1385=5540KB/s GET CURRENT PERFORMANCE: Write Performance: 6.0x1385=8310KB/[EMAIL PROTECTED] - 16.0x1385=22160KB/[EMAIL PROTECTED] GET PERFORMANCE: Speed Descriptor#0:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#1:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#2:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#3:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#4:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s INQUIRY:[PLEXTOR ][DVDR PX-716A ][1.09] Current Write Speed: 8.0x1385=11080KB/s Write Speed #0:16.0x1385=22160KB/s Write Speed #1:12.0x1385=16620KB/s Write Speed #2:8.0x1385=11080KB/s Write Speed #3:6.0x1385=8310KB/s Write Speed #4:4.0x1385=5540KB/s GET CURRENT PERFORMANCE: Write Performance: 6.0x1385=8310KB/[EMAIL PROTECTED] - 16.0x1385=22160KB/[EMAIL PROTECTED] GET PERFORMANCE: Speed Descriptor#0:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#1:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#2:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#3:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Speed Descriptor#4:02/2295104 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s Note that GET CURRENT PERFORMANCE returns 16x in both cases, while Current Write Speed is 8x in second case. The value obtained by GET CURRENT PERFORMANCE, Write Performance is commonly controlled by SET STREAMING command, while Current Write Speed [exposed through page 2A] - by SET CD SPEED command. Now, specification says that DVD recording speed shall be controlled by SET STREAMING, while SET CD SPEED [as well as page 2A] is retained for legacy CD recording [and other] software. In other words new software is *expected* to use SET STREAMING unit is *expected* to respect it. Some units even don't expose DVD recording velocities through page 2A, and any attempt to change its values has *no* effect on DVD recordings. Nor should it have according to specification! And your firmware seems to violate this clause by favoring Current Write Speed... File bug report to Plextor... Shame on Plextor... Try if attached snippet can reset Current Write Speed to 16x. Save it to dvd+rw-tools source directory and compile with 'g++ resetspeed.cpp'. What it does is send restore all defaults to unit, though through SET STREAMING command. A. Thanks for the snipped but unfortunately it doesn't work! I've tried to launch resetspeed /dev/dvd ( with the inserted medium ) also from root but after a 8x burn, dvd+rw-mediainfo reports always: Current Write Speed: 8.0x1385=11080KB/s Regards. Stefano -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: growisofs and PX-716: impossible changing burning speed after the first burn.
Try if attached snippet can reset Current Write Speed to 16x. Save it
to dvd+rw-tools source directory and compile with 'g++ resetspeed.cpp'.
What it does is send restore all defaults to unit, though through SET
STREAMING command.
Thanks for the snipped but unfortunately it doesn't work!
No warranties:-) Try attached one then. This one restores all defaults
with SET STREAMING and sends go as fast as you can with SET CD
SPEED. A.
#include transport.hxx
main(int argc,char *argv[])
{ Scsi_Command cmd;
unsigned char pd[28];
int err;
if (argc2)
fprintf (stderr,usage: %s /dev/dvd\n,argv[0]),
exit(1);
if (!cmd.associate (argv[1]))
fprintf (stderr,%s: unable to open: ,argv[1]), perror (NULL),
exit(1);
memset(pd,0,sizeof(pd));
pd[0]=4; // RDD
cmd[0]=0xB6; // SET STREAMING
cmd[10]=sizeof(pd);
cmd[11]=0;
if ((err=cmd.transport (WRITE,pd,sizeof(pd
sperror (SET STREAMING,err),
exit(1);
cmd[0]=0xBB; // SET CD SPEED
cmd[2]=0xff;
cmd[3]=0xff;
cmd[4]=0xff;
cmd[5]=0xff;
cmd[11]=0;
if ((err=cmd.transport (WRITE,pd,sizeof(pd
sperror (SET CD SPEED,err),
exit(1);
}
Re: growisofs and PX-716: impossible changing burning speed after the first burn.
On Thursday 08 June 2006 18:09, Andy Polyakov wrote: Try if attached snippet can reset Current Write Speed to 16x. Save it to dvd+rw-tools source directory and compile with 'g++ resetspeed.cpp'. What it does is send restore all defaults to unit, though through SET STREAMING command. Thanks for the snipped but unfortunately it doesn't work! No warranties:-) :) Try attached one then. This one restores all defaults with SET STREAMING and sends go as fast as you can with SET CD SPEED. A. Sorry, no luke... :( Current Write Speed: 8.0x1385=11080KB/s May be the kernel I'm using (vanilla 2.6.16.18) is filtering some command? Thanks. Stefano -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Re: growisofs and PX-716: impossible changing burning speed after the first burn.
On Thursday 08 June 2006 18:09, Andy Polyakov wrote: Try if attached snippet can reset Current Write Speed to 16x. Save it to dvd+rw-tools source directory and compile with 'g++ resetspeed.cpp'. What it does is send restore all defaults to unit, though through SET STREAMING command. Thanks for the snipped but unfortunately it doesn't work! No warranties:-) Try attached one then. This one restores all defaults with SET STREAMING and sends go as fast as you can with SET CD SPEED. A. Only an update. The snippet doesn't work but I have made some further test with Plextor 716A. The problem is related only to 16x speed on 16x media, i.e if the first burn is lower than 16x the drive cannot reach 16x speed in any successive burn, but I can correctly set at any time any other speed (4, 6, 8, 12) with growisofs. Best Regards. Stefano -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
