Re: [Libcdio-devel] Re: libcdio-0.83git on Solaris snv134 sees no drives

[Rocky Bernstein]

The easy comments in line.

On Sat, Jun 5, 2010 at 3:37 AM, Thomas Schmitt <address@hidden> wrote:

> Hi,
>
> > Thomas: when you are satisfied with a solution, post a patch here.
>
> It will still last a few days.
>

Not in any hurry.

>
> Nevertheless, i seem to have my main use cases
> working now. See end of this mail.
>
> -----------------------------------------------
>
> There is another level of consideration above
> the mere technical Solaris tricks:
>
> What about older systems which still have vold:
>
> Shall the old /vol-addresses be used ?
>
> Who could test whether they work with new
> access mode MMC_RDWR ?
>

opencsw.org provides servers running Solaris 8 and 10 and media can be
attached to those servers.  So I may be able to test this.


> -----------------------------------------------
>
> It is strange that the man page of growisofs
> mentions /vol/.../cdrom* and /dev/rdsk/c* as
> alternatives.
> It would be interesting to know what the
> volmgt function
>  media_findname()
> returns as device path of a /vol-address.
>
> Possibly libcdio never dealt with /dev/dsk
> but always with /dev/rdsk .
> That would simplify our situation.
>
> Else i would need to know which access mode
> is for /dev/dsk and which for /dev/rdsk.
>
> -----------------------------------------------
>
> Does anybody have an idea why growisofs loads
>  void *secdb = dlopen("libsecdb.so.1",RTLD_LAZY);
> and inquires
>  chkauthattr("solaris.device.cdrw", ...)
> rather than just trying to open the device ?
> If !chkauthattr() then it errors with EACCESS.
>
> This looks like a workaround for a bug.
> But which and where ?
>
> -----------------------------------------------
> State of sketching:
>
> I do not yet know how to reduce SATA speed to
> 1.5 GBps so that my eSATA box would work
> properly. So i had to replug to USB which yields
> a new address for the burner.
>
> I can list drives by /dev or by Bus,Target,Lun,
> and i can burn multiple sessions to CD-RW and
> DVD+RW. (Hald seems not to interfere negatively
> for now. A miracle !)
>
> $ pfexec cdrskin/cdrskin -scanbus
> cdrskin 0.8.1 : limited cdrecord compatibility wrapper for libburn
> ...
> scsibus3:
>        3,0,0     0) 'TSSTcorp' 'DVD-ROM SH-D162C' 'TS04' Removable CD-ROM
> scsibus4:
>        4,0,0     1) 'TSSTcorp' 'CDDVDW SH-S223B ' 'SB02' Removable CD-ROM
>
> $ pfexec cdrskin/cdrskin --devices
> cdrskin 0.8.1 : limited cdrecord compatibility wrapper for libburn
> ...
> 0  dev='/dev/rdsk/c3t0d0s2'  r----- :  'TSSTcorp'  'DVD-ROM SH-D162C'
> 1  dev='/dev/rdsk/c4t0d0s2'  r----- :  'TSSTcorp'  'CDDVDW SH-S223B'
>
> $ pfexec xorriso/xorriso -for_backup -dev /dev/rdsk/c4t0d0s2 -blank
> as_needed -add /home/thomas
> ...
> Media current: CD-RW
> Media status : is blank
> ...
> Written to media  : 35030 sectors at LBA 0
> Writing to '/dev/rdsk/c4t0d0s2' completed sucessfully.
>
> -----------------------------------------------
>
>
> Have a nice day :)
>
> Thomas
>
>
>