[oi-dev] cdrecord issue

[Alexander Pyhalov]

On 06.04.2017 23:10, Joerg Schilling wrote:
> 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?
> 

Yes. Tomorrow I can try with other CD-RW disk (they are becoming 
extinct...).
But if the matter is in medium, why does it work with sudo?

>> Do I miss some privileges?
> 
> If you miss all privileges, this (or less) is printed:
> ....

Seems to be not the case here:
$ cdrecord -scanbus
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'.
scsibus3:
         3,0,0   300) 'ATA     ' 'ST3500630AS     ' 'D   ' Disk
         3,1,0   301) *
         3,2,0   302) 'Optiarc ' 'DVD RW AD-7170S ' '1.82' Removable 
CD-ROM
         3,3,0   303) *
         3,4,0   304) 'ATA     ' 'ST3500630AS     ' 'D   ' Disk
         3,5,0   305) 'ATA     ' 'ST3500630AS     ' 'D   ' Disk
         3,6,0   306) *
         3,7,0   307) *


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System Administrator of Southern Federal University Computer Center