[Bug 115244] K3B sometimes hangs at start when burning ISO images to disk in Ubuntu Feisty

[George Mason]

Public bug reported:

Binary package hint: k3b

Hi,

When burning ISO images to CD using K3B the process sometimes hangs
right at the beginning, before "Starting disc write" is displayed in the
progress window. When the hang occurs, I am unable to dismount the blank
CDR and have to reboot the machine in order to open the CDR drawer.
This happens about once in every 4 attempts to burn ISO images. I
usually have Firefox and VMWare Wkstn 5.5 running at the same time,
Firefox often hangs temporarily when this error occurs, VMWare crashes
completely.

I am using K3B on an HP nx9420 running Ubuntu Feisty with the latest
updates. The log from a successful ISO image burn is included below for
your reference - please let me know what further info you need to look
into the problem. Thanks. George

System
-----------------------
K3b Version: 1.0

KDE Version: 3.5.6
QT Version:  3.3.7
Kernel:      2.6.20-15-generic
Devices
-----------------------
HL-DT-ST DVDRAM GSA-4082N CQ04 (/dev/scd0, ) [CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL] [DVD-ROM, DVD-R Sequential, DVD-RAM, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Restricted Overwrite]

Used versions
-----------------------
cdrecord: 1.1.2

cdrecord
-----------------------
scsidev: '/dev/scd0'
devname: '/dev/scd0'
scsibus: -2 target: -2 lun: -2
Linux sg driver version: 3.5.27
Wodim version: 1.1.2
SCSI buffer size: 64512
Beginning DMA speed test. Set CDR_NODMATEST environment variable if device
communication breaks or freezes immediately after that.
TOC Type: 1 = CD-ROM
Driveropts: 'burnfree'
atapi: 1
Device type    : Removable CD-ROM
Version        : 5
Response Format: 2
Capabilities   : 
Vendor_info    : 'HL-DT-ST'
Identification : 'DVDRAM GSA-4082N'
Revision       : 'CQ04'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0009 (CD-R)
Profile: 0x0012 (DVD-RAM) 
Profile: 0x0011 (DVD-R sequential recording) 
Profile: 0x0014 (DVD-RW sequential recording) 
Profile: 0x0013 (DVD-RW restricted overwrite) 
Profile: 0x001A (DVD+RW) 
Profile: 0x001B (DVD+R) 
Profile: 0x002B (DVD+R/DL) 
Profile: 0x0010 (DVD-ROM) 
Profile: 0x0009 (CD-R) (current)
Profile: 0x000A (CD-RW) 
Profile: 0x0008 (CD-ROM) 
Profile: 0x0002 (Removable disk) 
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-3 SWABAUDIO BURNFREE 
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1053696 = 1029 KB
Drive DMA Speed: 9137 kB/s 51x CD 6x DVD
FIFO size      : 12582912 = 12288 KB
Speed set to 4234 KB/s
Track 01: data   438 MB        
Total size:      503 MB (49:52.12) = 224409 sectors
Lout start:      503 MB (49:54/09) = 224409 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
  Is not unrestricted
  Is not erasable
  Disk sub type: Medium Type A, high Beta category (A+) (3)
  ATIP start of lead in:  -11634 (97:26/66)
  ATIP start of lead out: 359846 (79:59/71)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 3
Manufacturer: CMC Magnetics Corporation
Blocks total: 359846 Blocks current: 359846 Blocks remaining: 135437
Starting to write CD/DVD at speed  24.0 in real SAO mode for single session.
Last chance to quit, starting real write in 2 seconds.
   1 seconds.
   0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
Performing OPC...
Sending CUE sheet...
Writing pregap for track 1 at -150
Starting new track at sector: 0
Track 01:    0 of  438 MB written.
Track 01:    1 of  438 MB written (fifo 100%) [buf  99%]   8.9x.
Track 01:    2 of  438 MB written (fifo 100%) [buf  99%]  10.4x.
Track 01:    3 of  438 MB written (fifo 100%) [buf  99%]  10.8x.

<< trunkated >>

Track 01:  436 of  438 MB written (fifo 100%) [buf  98%]  20.9x.
Track 01:  437 of  438 MB written (fifo 100%) [buf  98%]  21.5x.
Track 01:  438 of  438 MB written (fifo 100%) [buf  98%]  20.7x.
Track 01: Total bytes read/written: 459589632/459589632 (224409 sectors).
Writing  time:  234.256s
Average write speed  12.8x.
Min drive buffer fill was 93%
Fixating...
Fixating time:    4.735s

cdrecord command:
-----------------------
/usr/bin/wodim -v gracetime=2 dev=/dev/scd0 speed=24 -dao driveropts=burnfree -overburn -data -tsize=224409s -

** Affects: k3b (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
K3B sometimes hangs at start when burning ISO images to disk in Ubuntu Feisty
https://bugs.launchpad.net/bugs/115244
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Burning Team, which is a bug contact for k3b in ubuntu.