From owner-freebsd-stable@FreeBSD.ORG Sun Sep 20 21:02:40 2009 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AFF3B1065679 for ; Sun, 20 Sep 2009 21:02:40 +0000 (UTC) (envelope-from mahlerrd@yahoo.com) Received: from web51004.mail.re2.yahoo.com (web51004.mail.re2.yahoo.com [206.190.38.135]) by mx1.freebsd.org (Postfix) with SMTP id 575DF8FC0A for ; Sun, 20 Sep 2009 21:02:40 +0000 (UTC) Received: (qmail 21207 invoked by uid 60001); 20 Sep 2009 20:35:58 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1253478958; bh=ET7292oaDwjgbo/tiYBZUSes1/7NyRx4OEr4OcNzZ9o=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=IBZkIn3y4gA6sR4//XXpSOupRMv1AJJAl7M++ljwcxM3TpU9WDLs38B+0OE4WcvTzec8IF78ZAHjvGsTn1CCGOVkxZygHH186TEgq8zRqod9dNESyIxfwj6e1vCYvKsrnV2oFFlo1/ZbanE2I6smAXcP8sMLFPtfuQBRhysKLOs= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=ngJQZxLVpDsPXPtbfV7ul0jVFR0Xh/XMkVZLgbibUTLezXbD3++O3b3ovJb3g7jEcKVmjZkNn3Xm5JkJFe3zffD5r5ad6K5+xLSgWiQQSlrtivpFzH9fCSU8IyVMqlRDfbhz1dIIE3Ya9rTyKLQcP8U3tA56N8JNOHVE55epdX4=; Message-ID: <673698.21068.qm@web51004.mail.re2.yahoo.com> X-YMail-OSG: R7AdyRIVM1kuoqezZ6oz98BNaby.Vbb30QYtS9pKOngR1bNuEmJy10ZHZWsACodfq5f2H0qMxCTL1f8.8JY98BwdAXcl4LuyUzXC117Wk5.iQb.nXBFDpRts2z8OSUDIRX5PcaIpBT5VrWpiSq4Yc4wkrdvnjWmcBIw55ajZObe8KSG8eKlk6AyhJxeQQpIb2qIxPAuoegSayZ2senEe0xO0ZdriUm6U0eBkHfXd5p1YGBct_NGWZ5jsMoPRg94WesFaIRxcevLlTJeO.FDk2csDy6KUfUosBPuEooyL1RCsdjBhWpJPqK9blxV0qs_qoXRtUCO9MYR7WUABe1L14zC6rv_RnfN28IdppabifQoZjWMzfgtmt6UkXXzD_QycHR2FCA-- Received: from [71.117.53.27] by web51004.mail.re2.yahoo.com via HTTP; Sun, 20 Sep 2009 13:35:58 PDT X-Mailer: YahooMailClassic/7.0.14 YahooMailWebService/0.7.347.2 Date: Sun, 20 Sep 2009 13:35:58 -0700 (PDT) From: Richard Mahlerwein To: stable@freebsd.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: What happened to DVD writing? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: mahlerrd@yahoo.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Sep 2009 21:02:40 -0000 >From: Warren Block >Subject: Re: What happened to DVD writing? >Date: Sunday, September 20, 2009, 2:58 PM >>On Sun, 20 Sep 2009, Zaphod Beeblebrox wrote: >>> >>> FreeBSD lightning 7.2-STABLE FreeBSD 7.2-STABLE #0: Sun Sep 20 07:25:58= MDT >>> 2009=A0 =A0 =A0 root@lightning:/usr/obj/usr/src/sys/LIGHTNING=A0 i386 >>> >>> Now growisofs starts, but appears to never manage to write to the DVD. = It's >>> a DVD-R, one from the same batch that has worked before: >>> >>>=A0 0.77% done, estimate finish Sun Sep 20 07:55:57 2009 >>> >>> and there it stops.=A0 Rebooting is needed, and the machine can't quite= bring >>> itself to shut down after syncing buffers.=A0 /var/log/messages: >>> >> Another possibility is that the drive is worn out.=A0 DVD writers have a >> limited lifespan largely measured by the number of disks they cut. > >This drive has probably written under 50 DVDs, all ISOs used for backup.= =20 >It's a Lite-On DH-20A4P bought in August 2008.=A0 It's looking like the=20 >drive itself has failed.=A0 Which seems odd, since I thought it could=20 >still burn CDs. I have had several exhibit behavior even more odd. The most unusual was this particular CD writer... It read both DVDs and CDs= but would write neither (it had worked fine the week before).=A0 I took it= out of the drive bay and hooked it to another PC to test and it worked fin= e there.=A0 I put it back in the original PC and it failed.=A0 I was swappi= ng things around on that PC (assuming bad cable, bad power, etc) and had it= sitting loose on the desk and found that it now worked again.=A0 Put it ba= ck in the drive cage and it again would not write, though reading was fine.= =A0 Anyway, I finally figured out that even slight pressure in on the sides= where it mounts would make it fail to burn CDs.=A0 The cage itself exerted= a bit of pressure and that was enough to make it fail at any attempt to bu= rn a CD. -Rich =0A=0A=0A