Hi everybody!

I have a problem using my burner on an Acer Aspire 1307lc.

I use k3b for interface and cdrecord for burning cds. But K3b hangs (not
freezes nor crashes, just waits forever) until I open the cdrom
manually, then it shows the window. This is the output:

(K3bExternalBinManager) Cdrecord 2.1a18 features: gracetime, overburn,
cdtext, clone, cuefile, suidroot, plain-atapi, hacked-atapi
(K3bExternalBinManager) 2 1 -1 a18 seems to be cdrecord version >=
1.11a02, using burnfree instead of burnproof
(K3bExternalBinManager) seems to be cdrecord version >= 1.11a31, support
for Just Link via burnfree driveroption
(K3bExternalBinManager) Cdrecord 2.1a18 features: gracetime, overburn,
cdtext, clone, cuefile, suidroot, plain-atapi, hacked-atapi
(K3bExternalBinManager) 2 1 -1 a18 seems to be cdrecord version >=
1.11a02, using burnfree instead of burnproof
(K3bExternalBinManager) seems to be cdrecord version >= 1.11a31, support
for Just Link via burnfree driveroption
/dev/sr0 resolved to /dev/sr0
/dev/sr0 is block device (0)
/dev/sr0 seems to be cdrom
bus: 0, id: 0, lun: 0
(K3bDeviceManager) probing capabilities for device /dev/sr0

^^^^^^^^^^^^^^^^^^^^^^^^^^^ Here it waits (virtually forever) and i hear
a tick every second from the cdrom, just like it's reading something...





(K3bDeviceManager) unused cdrecord output: Cdrecord-Clone 2.01a18
(i686-pc-linux-gnu) Copyright (C) 1995-2003 Jörg Schilling
(K3bDeviceManager) unused cdrecord output: Using libscg version 'schily-0.7'
(K3bDeviceManager) unused cdrecord output: Device type : Removable CD-ROM
(K3bDeviceManager) unused cdrecord output: Version : 0
(K3bDeviceManager) unused cdrecord output: Response Format: 2
(K3bDeviceManager) unused cdrecord output: Capabilities :
(K3bDeviceManager) unused cdrecord output: Device seems to be: Generic
mmc2 DVD-ROM.
(K3bDeviceManager) unused cdrecord output: Drive capabilities, per MMC-2
page 2A:
/dev/scd0 resolved to /dev/scd0
/dev/scd0 is block device (0)
/dev/scd0 seems to be cdrom
bus: 0, id: 0, lun: 0
(K3bDeviceManager) dev /dev/scd0 already found
(K3bDeviceManager) Link: /dev/cdrom -> /dev/sr0
(K3bDeviceManager) Link: /dev/dvd -> /dev/sr0
/dev/hda resolved to /dev/hda
could not open device /dev/hda (Permission denied)
/dev/hdb resolved to /dev/hdb
could not open device /dev/hdb (Permission denied)
/dev/hdc resolved to /dev/hdc
could not open device /dev/hdc (Permission denied)
/dev/hdd resolved to /dev/hdd
could not open device /dev/hdd (Permission denied)
/dev/hde resolved to /dev/hde
could not open device /dev/hde (Permission denied)
/dev/hdf resolved to /dev/hdf
could not open device /dev/hdf (Permission denied)
/dev/hdg resolved to /dev/hdg
could not open device /dev/hdg (Permission denied)
/dev/hdh resolved to /dev/hdh
could not open device /dev/hdh (Permission denied)
/dev/hdi resolved to /dev/hdi
could not open device /dev/hdi (Permission denied)
/dev/hdj resolved to /dev/hdj
could not open device /dev/hdj (Permission denied)
/dev/hdk resolved to /dev/hdk
could not open device /dev/hdk (Permission denied)
/dev/hdl resolved to /dev/hdl
could not open device /dev/hdl (Permission denied)
/dev/dvd resolved to /dev/scd0
/dev/scd0 is block device (0)
/dev/scd0 seems to be cdrom
(K3bDeviceManager) dev /dev/scd0 already found
/dev/cdrom resolved to /dev/scd0
/dev/scd0 is block device (0)
/dev/scd0 seems to be cdrom
(K3bDeviceManager) dev /dev/scd0 already found
Could not resolve /dev/cdrecorder
/dev/cdrecorder resolved to /dev/cdrecorder
could not open device /dev/cdrecorder (No such file or directory)
/dev/scd0 resolved to /dev/scd0
/dev/scd0 is block device (0)
/dev/scd0 seems to be cdrom
(K3bDeviceManager) dev /dev/scd0 already found
/dev/scd1 resolved to /dev/scd1
could not open device /dev/scd1 (No such device)
/dev/scd2 resolved to /dev/scd2
could not open device /dev/scd2 (No such device)
/dev/scd3 resolved to /dev/scd3
could not open device /dev/scd3 (No such device)
/dev/scd4 resolved to /dev/scd4
could not open device /dev/scd4 (No such device)
/dev/scd5 resolved to /dev/scd5
could not open device /dev/scd5 (No such device)
/dev/scd6 resolved to /dev/scd6
could not open device /dev/scd6 (No such device)
/dev/scd7 resolved to /dev/scd7
could not open device /dev/scd7 (No such device)
/dev/scd8 resolved to /dev/scd8
could not open device /dev/scd8 (No such device)
/dev/scd9 resolved to /dev/scd9
could not open device /dev/scd9 (No such device)
/dev/scd10 resolved to /dev/scd10
could not open device /dev/scd10 (No such device)
/dev/scd11 resolved to /dev/scd11
could not open device /dev/scd11 (No such device)
/dev/scd12 resolved to /dev/scd12
could not open device /dev/scd12 (No such device)
/dev/scd13 resolved to /dev/scd13
could not open device /dev/scd13 (No such device)
/dev/scd14 resolved to /dev/scd14
could not open device /dev/scd14 (No such device)
/dev/scd15 resolved to /dev/scd15
could not open device /dev/scd15 (No such device)
/dev/sr0 resolved to /dev/sr0
/dev/sr0 is block device (0)
/dev/sr0 seems to be cdrom
(K3bDeviceManager) dev /dev/sr0 already found

[...]

(K3bDeviceManager) scanning fstab: devpts
Could not resolve devpts
could not open device devpts (No such file or directory)
(K3bDeviceManager) scanning fstab: proc
Could not resolve proc
could not open device proc (No such file or directory)
(K3bDeviceManager) scanning fstab: /dev/hda7
could not open device /dev/hda7 (Permission denied)
(K3bDeviceManager) scanning fstab: /dev/hda2
could not open device /dev/hda2 (Permission denied)
(K3bDeviceManager) scanning fstab: /dev/hda5
could not open device /dev/hda5 (Permission denied)
(K3bDeviceManager) scanning fstab: /dev/hda6
could not open device /dev/hda6 (Permission denied)
(K3bDeviceManager) scanning fstab: /dev/hda8
could not open device /dev/hda8 (Permission denied)
(K3bDeviceManager) scanning fstab: /dev/cdrom
(K3bDeviceManager) found device for /dev/cdrom: /dev/scd0
(K3bDeviceManager) scanning fstab: /dev/fd0
could not open device /dev/fd0 (Permission denied)
(K3bDeviceManager) scanning fstab: /dev/winxp
could not open device /dev/winxp (Permission denied)
(K3bDeviceManager) scanning fstab: devpts
Could not resolve devpts
could not open device devpts (No such file or directory)
(K3bDeviceManager) scanning fstab: proc
Could not resolve proc
could not open device proc (No such file or directory)

Reader:

Writer:
: /dev/sr0 /dev/sr0 QSI CDRW/DVD SBW-241 VX08 24
/dev/cdrom /mnt/cdrom
Writer aliases:
/dev/sr0
/dev/scd0
/dev/cdrom
/dev/dvd
Version: 1.0
/usr/lib/qt-3.1.2/plugins/imageformats/libqjpeg.so: Feature JPEG already
defined in /usr/lib/qt/plugins/imageformats/libqjpeg.so!
/usr/lib/qt-3.1.2/plugins/imageformats/libqmng.so: Feature MNG already
defined in /usr/lib/qt/plugins/imageformats/libqmng.so!
mcop warning: user defined signal handler found for SIG_PIPE, overriding
(K3bCore) System problems:
- none -

==
==
==
Another problem is that burning is slow! This is what I get from k3b
(cdrecord output):

Cdrecord-Clone 2.01a18 (i686-pc-linux-gnu) Copyright (C) 1995-2003 Jörg
Schilling
TOC Type: 3 = CD-ROM XA mode 2
Using libscg version 'schily-0.7'
Driveropts: 'burnfree'
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Capabilities :
Vendor_info : 'QSI '
Identifikation : 'CDRW/DVD SBW-241'
Revision : 'VX08'
Device seems to be: Generic mmc2 DVD-ROM.
Current: 0x0009
Profile: 0x0010
Profile: 0x0008
Profile: 0x0009 (current)
Profile: 0x000A
Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
Driver flags : MMC-2 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1605632 = 1568 KB
FIFO size : 4194304 = 4096 KB
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.1.25
SCSI buffer size: 64512
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using
setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
Track 01: data 101 MB
Total size: 116 MB (11:34.80) = 52110 sectors
Lout start: 117 MB (11:36/60) = 52110 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 5
Is not unrestricted
Is not erasable
Disk sub type: Medium Type B, low Beta category (B-) (4)
ATIP start of lead in: -12488 (97:15/37)
ATIP start of lead out: 359849 (79:59/74)
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 70
Manufacturer: NAN-YA Plastics Corporation
Manufacturer is guessed because of the orange forum embargo.
The orange forum likes to get money for recent information.
The information for this media may not be correct.
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 307739
Starting to write CD/DVD at speed 24 in real TAO mode for multi 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.
BURN-Free is ON.
Performing OPC...
Starting new track at sector: 0
Track 01: 0 of 101 MB written.
Track 01: 1 of 101 MB written (fifo 90%) [buf 67%] 9.1x.
Track 01: 2 of 101 MB written (fifo 96%) [buf 82%] 3.6x.
Track 01: 3 of 101 MB written (fifo 98%) [buf 83%] 11.3x.
Track 01: 4 of 101 MB written (fifo 100%) [buf 97%] 8.1x.
[...]
Track 01: 97 of 101 MB written (fifo 98%) [buf 87%] 7.5x.
Track 01: 98 of 101 MB written (fifo 100%) [buf 76%] 2.2x.
Track 01: 99 of 101 MB written (fifo 100%) [buf 73%] 9.0x.
Track 01: 100 of 101 MB written (fifo 100%) [buf 92%] 18.0x.
Track 01: 101 of 101 MB written (fifo 100%) [buf 89%] 11.8x.
Track 01: Total bytes read/written: 106717184/106717184 (52108 sectors).
Writing time: 93.018s
Average write speed 7.5x.
Min drive buffer fill was 73%
Fixating...
Fixating time: 39.999s
/usr/bin/cdrecord: fifo had 1681 puts and 1681 gets.
/usr/bin/cdrecord: fifo was 0 times empty and 628 times full, min fill
was 76%.

The burner is a 24x but its average is 7.5... 7.5??? Why? I'd like to
optimize it...

--
Sensei

But still I fear, and still I dare not
Laugh at the mad man (The Prophet's song)