Date: Sun, 07 Mar 2010 20:20:56 -0500 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Andriy Gapon <avg@icyb.net.ua> Cc: gnome@freebsd.org Subject: Re: hald vs dvd+rw Message-ID: <1268011256.96436.24.camel@shumai.marcuscom.com> In-Reply-To: <4B8FEA6D.4050607@icyb.net.ua> References: <4B8FEA6D.4050607@icyb.net.ua>
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--=-FeGk97LZfEg2kLedQeaG Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable On Thu, 2010-03-04 at 19:14 +0200, Andriy Gapon wrote: > It seems that hald behavior might be causing some issues with re-writing = DVD=B1RW > media. I specifically mean the case when media already contains CD9660 o= r UDF > filesystem and is being re-written with new data. > It seems that when hald notices old volume going away, it attempts to re-= taste the > media while a burning program, e.g. growisofs, may be writing data to the= media. > At the very least it produces messages in system log like the following: > kernel: (cd0:ahcich5:0:0:0): READ TOC/PMA/ATIP. CDB: 43 0 0 0 0 0 0 0 4 0 > kernel: (cd0:ahcich5:0:0:0): CAM status: SCSI Status Error > kernel: (cd0:ahcich5:0:0:0): SCSI status: Check Condition > kernel: (cd0:ahcich5:0:0:0): SCSI sense: NOT READY asc:4,8 (Logical unit = not > ready, long write in progress) >=20 > At the worst, it causes confusion for the burning program. > This happens with recent versions of 9-CURRENT and 8-STABLE, when using a= tacam and > ahci driver for programs like growisofs from dvd+rw-tools and cdrecord fr= om > cdrecord-devel. And, of course, for frontends that use those as backends= . >=20 > I am not sure how to resolve this properly. > Perhaps, hald could have a special treatment for 'Logical unit not ready,= long > write in progress' sense from TEST UNIT READY command. Have you followed the steps at http://www.freebsd.org/gnome/docs/halfaq.html#q6 to lock the device in hal, and prevent access while burning your media? Joe --=20 PGP Key : http://www.marcuscom.com/pgp.asc --=-FeGk97LZfEg2kLedQeaG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEABECAAYFAkuUUPYACgkQb2iPiv4Uz4fvEACgmk2B5ryYmrMrReJkq3yRQ34J 13wAnjadkrkU421a4r7hKM1+01a7RnY9 =pcmC -----END PGP SIGNATURE----- --=-FeGk97LZfEg2kLedQeaG--
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