[oi-dev] cdrecord issue (Was: sound-juicer removal?)

Joerg Schilling Joerg.Schilling at fokus.fraunhofer.de
Thu Apr 6 20:10:48 UTC 2017


Alexander Pyhalov <alp at rsu.ru> wrote:

> I've tried to update cdrtools... To find out that they are not fully 
> functional.
>
> $ cat /etc/security/exec_attr.d/cdrtools
> Basic Solaris 
> User:solaris:cmd:RO::/usr/bin/cdrecord:privs=file_dac_read,sys_devices,proc_lock_memory,proc_priocntl,net_privaddr
> Basic Solaris 
> User:solaris:cmd:RO::/usr/bin/readcd:privs=file_dac_read,sys_devices,net_privaddr
> Basic Solaris 
> User:solaris:cmd:RO::/usr/bin/cdda2wav:privs=file_dac_read,sys_devices,proc_priocntl,net_privaddr
>
> When I try to blank cd-rw device, I get with new cdrtools :
>
> $ cdrecord blank=all
> Cdrecord-ProDVD-ProBD-Clone 3.02a07 (i386-pc-solaris2.11) Copyright (C) 
> 1995-2016 Joerg Schilling
> Warning: Using USCSI interface.
> Using libscg version 'schily-0.9'.
> No target specified, trying to find one...
> Using dev=3,2,0.
> Device type    : Removable CD-ROM
> Version        : 0
> Response Format: 2
> Capabilities   :
> Vendor_info    : 'Optiarc '
> Identifikation : 'DVD RW AD-7170S '
> Revision       : '1.82'
> Device seems to be: Generic mmc2 DVD-R/DVD-RW/DVD-RAM.
> Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
> Driver flags   : MMC-3 SWABAUDIO BURNFREE
> Supported modes: TAO PACKET SAO SAO/R96R RAW/R96R
> cdrecord: Warning: Cannot read drive buffer.
> cdrecord: Warning: The DMA speed test has been skipped.
> Starting to write CD/DVD/BD at speed 4 in real BLANK mode for single 
> session.
> Last chance to quit, starting real write    0 seconds. Operation starts.
> cdrecord: I/O error. blank unit: scsi sendcmd: no error
> CDB:  A1 00 00 00 00 00 00 00 00 00 00 00
> status: 0x2 (CHECK CONDITION)
> Sense Bytes: F0 00 03 00 01 C0 6D 0A 00 00 00 00 0C 00 00 00 00 00
> Sense Key: 0x3 Medium Error, Segment 0
> Sense Code: 0x0C Qual 0x00 (write error) Fru 0x0
> Sense flags: Blk 114797 (valid)
> cmd finished after 425.306s timeout 9600s

This may be a problem in the medium or a incompatibility between drive and 
medium, or just a temporary problem.

> But this works with sudo

Is this reproducable multiple times?

> real     7:27.3
> user        0.0
> sys         0.0
>
> 'cdrecord -v blank=fast' doesn't give this error.

blank=fast overwrites 11200 sectors in the TOC and 150 sectors at the begining 
of the medium. blank=all rewrites the whole disk.

> Do I miss some privileges?

If you miss all privileges, this (or less) is printed:

OBJ/i386-sunos5-cc/cdrecord -scanbus
Cdrecord-ProDVD-ProBD-Clone 3.02a08 (i386-pc-solaris2.11) Copyright (C) 1995-2016 Joerg Schilling
cdrecord: Insufficient 'file read' privileges. You will not be able to open all needed devices.
cdrecord: Insufficient 'device' privileges. You may not be able to send all needed SCSI commands, this my cause various unexplainable problems.
cdrecord: Insufficient 'memlock' privileges. You may get buffer underruns.
cdrecord: Insufficient 'priocntl' privileges. You may get buffer underruns.
cdrecord: Insufficient 'network' privileges. You will not be able to do remote SCSI.
Warning: Using USCSI interface.
cdrecord: Permission denied. Cannot open '/dev/rdsk/c0t4d0s2'. Cannot open or use SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.

Jörg

-- 
 EMail:joerg at schily.net                    (home) Jörg Schilling D-13353 Berlin
    joerg.schilling at fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/
 URL: http://cdrecord.org/private/ http://sf.net/projects/schilytools/files/'




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