[k3b] [Bug 383140] New: Write speed

[Simone Zorzetto]

https://bugs.kde.org/show_bug.cgi?id=383140

            Bug ID: 383140
           Summary: Write speed
           Product: k3b
           Version: 17.04.3
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Burning/Hardware
          Assignee: k3b at kde.org
          Reporter: zorzetto.simone at gmail.com
                CC: michalm at jabster.pl, trueg at kde.org
  Target Milestone: ---

I've set write speed to 8x to burn a dvd but the program have start job at
maximum speed and have also failed:

Burned media
-----------------------
DVD+R

Devices
-----------------------
CDEmu Virt. CD/DVD-ROM 1.10 (/dev/sr1, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R,
DVD+R) [DVD-ROM, DVD+R, CD-ROM, CD-R] [SAO, TAO, RAW, SAO/R96R, RAW/R16,
RAW/R96R] [%7]
ATAPI iHBS212   2 HL05 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW,
DVD-R DL, BD-ROM, BD-R, BD-RE, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R
sequenziale, DVD-R sequenziale a doppio strato, DVD-R jump a doppio strato,
DVD-RAM, DVD-RW a riscrittura limitata, DVD-RW sequenziale, DVD+RW, DVD+R,
DVD+R a doppio strato, CD-ROM, CD-R, CD-RW, BD-ROM, BD-R sequenziale (SRM),
BD-R casuale (RRM), BD-RE] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16,
RAW/R96P, RAW/R96R, Riscrittura limitata, Salto di livello, Registrazione
casuale, Registrazione sequenziale, Registrazione sequenziale + POW] [%7]

System
-----------------------
K3b Version: 17.4.0
KDE Version: 5.31.0
Qt Version:  5.7.1
Kernel:      4.10.0-30-generic

Used versions
-----------------------
growisofs: 7.1

growisofs
-----------------------
Executing 'builtin_dd if=/dev/fd/0 of=/dev/sr0 obs=32k seek=0'
/dev/sr0: "Current Write Speed" is 16.4x1352KBps.
          0/4566968320 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU   0.0%
=== last message repeated 6 times. ===
   19857408/4566968320 ( 0.4%) @4.3x, remaining 91:35 RBU 100.0% UBU  16.3%
   48857088/4566968320 ( 1.1%) @6.3x, remaining 43:09 RBU 100.0% UBU  87.3%
:-[ WRITE at LBA=7e70h failed with SK=6h/NOT READY TO READY CHANGE, MEDIUM MAY
HAVE CHANGED]: Input/output error
:-( write failed: Input/output error
/dev/sr0: flushing cache
:-[ FLUSH CACHE failed with SK=2h/LOGICAL UNIT NOT READY, LONG WRITE IN
PROGRESS]: Resource temporarily unavailable
/dev/sr0: closing track
/dev/sr0: closing disc

growisofs command:
-----------------------
/usr/bin/growisofs -Z /dev/sr0=/dev/fd/0 -use-the-force-luke=notray
-use-the-force-luke=tty -use-the-force-luke=4gms
-use-the-force-luke=tracksize:2229965 -use-the-force-luke=dao:2229965
-dvd-compat -speed=8 -use-the-force-luke=bufsize:32m

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