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Date: Sat, 10 Apr 2004 16:42:38 -0700 (PDT)
From: Arne Woerner <arne_woerner@yahoo.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: acd cannot write DVD-RW
X-Send-Pr-Version: www-2.3

>Number:         65420
>Category:       kern
>Synopsis:       acd cannot write DVD-RW
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    sos
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Apr 10 16:50:18 PDT 2004
>Closed-Date:    Mon Oct 04 11:31:04 GMT 2004
>Last-Modified:  Sun Jul  3 09:40:16 GMT 2005
>Originator:     Arne Woerner
>Release:        5.2-CURRENT-20040408
>Organization:
>Environment:
FreeBSD neo.riddick.homeunix.org 5.2-CURRENT-20040408-JPSNAP FreeBSD 5.2-CURRENT-20040408-JPSNAP #4: Fri Apr  9 17:57:06 GMT 2004     aw@neo.riddick.homeunix.org:/usr/src/sys/i386/compile/DAREDEVIL  i386

>Description:
R5.1 was able to write DVD-RW via
  dd of=/dev/acd1 bs=65536
but
5-CURRENT isn't.
acd1 is a DVDR <TOSHIBA DVD-ROM SD-R5112> at ata1-master PIO4.

I would prefer the R5.1 behaviour in this point (because I do incremental backups on DVD)...
>How-To-Repeat:
> dd of=/dev/acd1 bs=65536
dd: /dev/acd1: Input/output error
1+0 records in
0+0 records out
[...]
>Fix:

>Release-Note:
>Audit-Trail:

From: Arne "Wrner" <arne_woerner@yahoo.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: kern/65420: acd cannot write DVD-RW
Date: Sun, 11 Apr 2004 02:38:42 -0700 (PDT)

 Maybe I should add, that burncd is in 5.2-CURRENT still able to format a DVD-RW
 successfully...
 
 
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From: Arne "Wrner" <arne_woerner@yahoo.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: kern/65420: acd cannot write DVD-RW
Date: Sun, 11 Apr 2004 09:13:10 -0700 (PDT)

 I just found out, that /dev/cd1 is able to write to the DVD-RW via a 'dd' command
 
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From: Yar Tikhiy <yar@FreeBSD.org>
To: freebsd-gnats-submit@FreeBSD.org, arne_woerner@yahoo.com
Cc:  
Subject: Re: kern/65420: acd cannot write DVD-RW
Date: Mon, 21 Jun 2004 19:10:45 +0400

 I'm afraid that currently the right way of writing DVD media in
 FreeBSD is using dvd+rw-tools from the ports.
 
 -- 
 Yar
State-Changed-From-To: open->feedback 
State-Changed-By: arved 
State-Changed-When: Mon Sep 6 13:43:05 GMT 2004 
State-Changed-Why:  
Does it work with dvd+rw-tools? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=65420 
Responsible-Changed-From-To: freebsd-bugs->sos 
Responsible-Changed-By: arved 
Responsible-Changed-When: Mon Sep 6 14:05:08 GMT 2004 
Responsible-Changed-Why:  
Not sure if writing DVD-RW with dd is a supported operation, over to 
ATA maintainer to decide if this is a problem. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=65420 
State-Changed-From-To: feedback->closed 
State-Changed-By: sos 
State-Changed-When: Mon Oct 4 11:29:28 GMT 2004 
State-Changed-Why:  
If the DVD-RW media is formatted the right way dd can be used. 


http://www.freebsd.org/cgi/query-pr.cgi?pr=65420 

From: Arne "Wrner" <arne_woerner@yahoo.com>
To: Tilman Linneweh <arved@freebsd.org>, freebsd-bugs@freebsd.org
Cc:  
Subject: Re: kern/65420: acd cannot write DVD-RW
Date: Sun, 3 Jul 2005 00:16:02 -0700 (PDT)

 Ooops...
 
 I forgot to report, that with the "right" block-size (32k) dd
 works fine again... Somewhen before 64k was a good block-size, but
 now 64k does not work anymore (for writing)...
 
 -Arne
 
 
 
 		
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>Unformatted:
