Re: [gentoo-user-br] Problemas gravando cd (resid: 61440)

[Alexandre Martani]

On 5/11/05, Magno Torres <magnotorres@×××××.com> wrote:
> Verifique se o cdrecorder esta com o suid bit setado, se tiver, retire.
>  Tente gravar com o usuário normal sem suid ou com root, pois devido a uma
> manobra no kernel 2.6.x o bit suid não tem permissão para alguns acessos de
> baixo nivel. Isso é horrivel a meu ver - pois executar como root é melhor
> devido a prioridade aumentada na execução do processo - evitando a perda do
> CD devido falta de recursos causadas por outros processos, e o bit suid era
> muito pratico. Claro que tem toda a preocupação com buffer overflow, mas
> sinto falta de nao poder usar o suid.
>

Tentei gravar como root.. O erro de setpriority() some, mas o resid:
61440 continua, e a gravação continua falhando..

Alguém sabe o que significa esse resid?

Obrigado.

>
>
> 2005/5/10, Alexandre Martani <amartani@×××××.com>:
> >
> > Olá gente,
> >
> > Estou tendo problemas gravando cds com o cdrecord, e com todos os
> > programas que o utilizam. Ele até começa a gravar, mas normalmente dá
> > um erro no meio. No Ubuntu acontece a mesma coisa..
> >
> > Aqui está a saída do programa, interrompido antes de começar a gravar:
> >
> > $ cdrecord -dev /dev/hdc -data teste.iso
> > cdrecord: No write mode specified.
> > cdrecord: Asuming -tao mode.
> > cdrecord: Future versions of cdrecord may have different drive
> > dependent defaults.
> > cdrecord: Continuing in 5 seconds...
> > Cdrecord-Clone 2.01 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg
> Schilling
> > on-the-fly encryption (version 1.0-rc1) built-in, (C) 2004,2005
> > Maximilian Decker
> >
> > NOTE: this version of cdrecord is an inofficial (modified) release of
> cdrecord
> >       and thus may have bugs that are not present in the original version.
> >       Please send bug reports and support requests to <burbon04 at
> gmx.de>.
> >       For more information please see
> > http://burbon04.gmxhome.de/linux/CDREncryption.html.
> >       The original author should not be bothered with problems of this
> version.
> >
> > cdrecord: Warning: Running on Linux-2.6.11-gentoo-r6-ale
> > cdrecord: There are unsettled issues with Linux-2.5 and newer.
> > cdrecord: If you have unexpected problems, please try Linux-2.4 or
> Solaris.
> > cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
> > cdrecord: WARNING: This causes a high risk for buffer underruns.
> > cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
> > cdrecord: Permission denied. WARNING: Cannot set priority using
> setpriority().
> > cdrecord: WARNING: This causes a high risk for buffer underruns.
> > scsidev: '/dev/hdc'
> > devname: '/dev/hdc'
> > scsibus: -2 target: -2 lun: -2
> > Warning: Open by 'devname' is unintentional and not supported.
> > Linux sg driver version: 3.5.27
> > Using libscg version 'schily-0.8'.
> > Device type    : Removable CD-ROM
> > Version        : 0
> > Response Format: 1
> > Vendor_info    : 'HP      '
> > Identifikation : 'CD-Writer+ 9100b'
> > Revision       : '1.06'
> > Device seems to be: Generic mmc CD-RW.
> > Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
> > Driver flags   : MMC SWABAUDIO
> > Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P
> RAW/R96R
> > resid: 61440
> > resid: 61440
> > (mensagem repetida várias vezes..)
> >
> > cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
> > cdrecord: Permission denied. WARNING: Cannot set priority using
> setpriority().
> > cdrecord: WARNING: This causes a high risk for buffer underruns.
> > Starting to write CD/DVD at speed 8 in real TAO mode for single session.
> > Last chance to quit, starting real write    8 seconds.
> >

-- 
Alexandre Martani - amartani em gmail com

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