Date: Thu, 06 Jan 2005 15:58:25 +0100 From: "O. Hartmann" <ohartman@uni-mainz.de> To: Daniel O'Connor <doconnor@gsoft.com.au> Cc: freebsd-questions@freebsd.org Subject: Re: copying from DVD drive causes crash: vm_fault: pager readerror, pid 13421 (cp) on FreeBSD 5.3-STABLE Message-ID: <41DD5211.7040807@uni-mainz.de> In-Reply-To: <200501062329.48692.doconnor@gsoft.com.au> References: <41DD3326.4050908@uni-mainz.de> <200501062329.48692.doconnor@gsoft.com.au>
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Daniel O'Connor schrieb: >On Thu, 6 Jan 2005 23:16, O. Hartmann wrote: > > >>Doing dd from the DVD drive (NEC ND 3500AG/2.18) fails in a corrupt >>image afterwards, copying with 'cp' from a inserted CD triggers the >>shown error and box dies immediately: >> >> >>Jan 6 12:17:20 edda kernel: cd9660: RockRidge Extension >>Jan 6 12:17:50 edda kernel: acd0: FAILURE - READ_BIG ILLEGAL REQUEST >>asc=0x64 ascq=0x00 error=4<ABORTED> >>Jan 6 12:18:07 edda last message repeated 3 times >>Jan 6 12:29:44 edda kernel: cd9660: RockRidge Extension >>Jan 6 12:30:54 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR >>asc=0x11 ascq=0x00 error=4<ABORTED> >>Jan 6 12:30:54 edda kernel: vm_fault: pager read error, pid 13421 (cp) >>Jan 6 12:30:58 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR >>asc=0x11 ascq=0x00 error=4<ABORTED> >>Jan 6 12:30:58 edda kernel: vm_fault: pager read error, pid 13421 (cp) >>Jan 6 12:31:01 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR >>asc=0x11 ascq=0x00 error=4<ABORTED> >>Jan 6 12:31:01 edda kernel: vm_fault: pager read error, pid 13421 (cp) >>Jan 6 12:31:08 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR >>asc=0x11 ascq=0x00 error=4<ABORTED> >>Jan 6 12:31:08 edda kernel: vm_fault: pager read error, pid 13421 (cp) >>Jan 6 12:31:19 edda kernel: acd0: FAILURE - READ_BIG MEDIUM ERROR >>asc=0x11 ascq=0x00 error=4<A >> >>Same happens when trying to to a 'tar ztf file.foo' (tar archive located >>on DVD) -> FreeBSD dies and freezes immediately. >> >> > >Does it panic or hang? > >The DVD has errors on it which is why you can't read it.. Obviously the OS >crashing when presented with bad media is not a good thing :) > > > The box hang. The media is all right, I tried it on a FreeBSD 4.10 box and a Windows box (equipted with the same DVD-RW drive, running on a different hardware platform). Writing 'clear' images to the drive results in corrupted media, either DVD and/or CD-R/W.
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