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

[Andreas Wacknitz]

Am 06.04.17 um 20:25 schrieb Alexander Pyhalov:
> On 04/ 5/17 01:32 PM, Joerg Schilling wrote:
>>> As for cdrtools update, yes, this is likely a good idea.
>>> Is there any reason why latest releases are marked as alpha? Should we
>>> use that (3.02a7) or better 3.01?
>>
>> This is how I do it since 26 years ;-) It is at least as stable as Linux
>> releases.
>>
>> Better use the most recent version as there have been several 
>> enhancements. I
>> am curently working on making this a 3.02-final within a few months.
>>
>> Note that I created shell script wrappers for Sun in January 2006 
>> that contain:
>>
>>     pfexec "`dirname $0`/`basename $0`.bin" "$@"
>>
>> and there are /usr/bin/cdrecord.bin, /usr/bin/cdda2wav.bin 
>> /usr/bin/readcd.bin.
>>
>> These files are no longer needed since there is in-kernel pfexec. You 
>> may
>> install the binaries under their original names. Do you need the 
>> related data
>> for /etc/security/exec_attr?
>
> Hello.
>
> 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
>
> But this works with sudo
>
> $ sudo truss -o /tmp/cdrecord.output -t ioctl time 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.
>
> real     7:27.3
> user        0.0
> sys         0.0
>
> 'cdrecord -v blank=fast' doesn't give this error.
>
> Do I miss some privileges?
>
What says 'ppriv -eD cdrecord blank=all'?