Falha de Buffer no K3b

staltux
(usa Slackware)

Enviado em 22/06/2008 - 22:58h

venho tentando gravar cds com o k3b usando meu usuario normalmais da erro de esvaziamento de buffer quando eu nao gravo no modo DAO e/ou o arquivo a ser gravado tem mais de 10MB...a saida do erro é essa:
System
-----------------------
K3b Version: 1.0.2

KDE Version: 3.5.7
QT Version: 3.3.8
Kernel: 2.6.21.5-smp
Devices
-----------------------
AOPEN COM5232/AAH PRO 1.05 (/dev/hdd, ) [CD-R, CD-RW, CD-ROM, DVD-ROM] [DVD-ROM, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R]

HL-DT-ST DVDRAM GSA-H10A JL02 (/dev/hdc, ) [CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL] [DVD-ROM, DVD-R Seqüencial, DVD-R de Dupla Camada Seqüencial, DVD-R de Dupla Camada com Salto, DVD-RAM, DVD-RW em Sobrescrita Restrita, DVD-RW Seqüencial, DVD+RW, DVD+R, DVD+R de Dupla Camada, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Sobrescrita Restrita, Salto da Camada]
Used versions
-----------------------
cdrecord: 2.1.1a23

cdrecord
-----------------------
/usr/bin/cdrecord: Warning: Running on Linux-2.6.21.5-smp
/usr/bin/cdrecord: There are unsettled issues with Linux-2.5 and newer.
/usr/bin/cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
/usr/bin/cdrecord: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits./usr/bin/cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/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.
scsidev: '/dev/hdd'
devname: '/dev/hdd'
scsibus: -2 target: -2 lun: -2
Warning: Open by 'devname' is unintentional and not supported.
Linux sg driver version: 3.5.27
SCSI buffer size: 64512
Cdrecord-ProDVD-Clone 2.01.01a23 (i686-pc-linux-gnu) Copyright (C) 1995-2006 Jörg Schilling
TOC Type: 0 = CD-DA
Using libscg version 'schily-0.9'.
Driveropts: 'burnfree'
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Capabilities :
Vendor_info : 'AOPEN '
Identifikation : 'COM5232/AAH PRO '
Revision : '1.05'
Device seems to be: Generic mmc2 DVD-ROM.
Current: CD-RW
Profile: DVD-ROM
Profile: CD-RW (current)
Profile: CD-R
Profile: CD-ROM
Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
Driver flags : MMC-3 SWABAUDIO BURNFREE FORCESPEED
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1245184 = 1216 KB
FIFO size : 4194304 = 4096 KB
/usr/bin/cdrecord: Operation not permitted. Cannot send SCSI cmd via ioctl
pregap1: -1
Track 01: audio 28 MB (02:47.00) no preemp swab copy
Track 02: audio 28 MB (02:47.00) no preemp swab copy
Track 03: audio 28 MB (02:47.00) no preemp swab copy
Track 04: audio 28 MB (02:47.00) no preemp swab copy
Total size: 112 MB (11:08.00) = 50100 sectors
Lout start: 112 MB (11:10/00) = 50100 sectors

cdrecord command:
-----------------------
/usr/bin/cdrecord -v gracetime=2 dev=/dev/hdd speed=4 -dao driveropts=burnfree -eject -useinfo -audio /tmp/kde-alex/k3b_audio_0_01.inf /tmp/kde-alex/k3b_audio_0_02.inf /tmp/kde-alex/k3b_audio_0_03.inf /tmp/kde-alex/k3b_audio_0_04.inf
...
minhas duas gravadoras(cd e dvd) estão apresentando esse problema no slackware 12.0 ...quando eu gravava no kurumin 7 ia de boa...

albfneto
(usa openSUSE)

Enviado em 22/06/2008 - 23:55h

parece falha do cd record e não do k3b, tentou atualizar o cd record?
tem pouca meória ram? erros de buffer são chatos, pq vc pode ter erros de gravação e perder muitas midias.
Olha nãoa cho que cd record seja grande, opq só comando

bjaraujo
(usa Ubuntu)

Enviado em 23/06/2008 - 00:22h

Verifique e o dma está ativo
# hdparm /dev/hdd

staltux
(usa Slackware)

Enviado em 24/06/2008 - 18:28h

eu tinha ativado antes de tentar a ultima vez...mas ta ai a saida:
root@darkstar:/home/alex# hdparm /dev/hdd

/dev/hdd:
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
HDIO_GETGEO failed: Inappropriate ioctl for device
------------------------
atualizar o cdrecord...vou ver, se for muito pesado peço pr alguem baixar aqui p mim q eu uso discada...tomara que nao de trampo fazer isso no Slackware