Date: Thu, 23 Feb 2006 14:32:46 +0200 From: Ion-Mihai Tetcu <itetcu@people.tecnik93.com> To: Geoff Glasson <g_glasson@jimali.dyndns.org> Cc: freebsd-amd64@freebsd.org Subject: Re: Strange problem with Panasonic DVD RW drive Message-ID: <20060223143246.54af75e7@it.buh.tecnik93.com> In-Reply-To: <200602232015.32104.g_glasson@jimali.dyndns.org> References: <200602232015.32104.g_glasson@jimali.dyndns.org>
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On Thu, 23 Feb 2006 20:15:31 +0800 Geoff Glasson <g_glasson@jimali.dyndns.org> wrote: > Hi, > > I'm having a really strange problem with my DVD drive in my Athlon64 > X2 box, in that I'm unable to mount a CDROM because the machine > thinks there is a hardware error. The strange thing is, that this > failure is dependent upon the mode in which I boot the machine. > > For example, if I boot my machine with the CD in the drive, the > machine reads the disc and boots quite happily from the CD. If I > boot the machine without the CD into safe mode, I'm able to manually > mount the CD and read it, however if I boot my machine normally I > cannot mount the CD and mount reports the following error > "mount_cd9660: /dev/acd0: Input/output error". > > dmesg reports : > "Trying to mount root from ufs:/dev/ad12s1a > acd0: FAILURE - READ_BIG HARDWARE ERROR asc=0x08 ascq=0x03 error=0 > g_vfs_done():acd0[READ(offset=32768, length=2048)]error = 5" > > In all cases, the same FreeBSD AMD RC1 boot disc is used, so I know > the disc is OK. > > Has anyone else seen this type of problem? Any ideas how to resolve > it? Is there any difference between the default boot mode and safe > mode that is likely to cause this problem? In safe mode you have hw.ata.atapi_dma=0. Try setting it to 0 at loader prompt and boot -v and see if you can mount the CD. Try changing the cable anyway. What MB/chip-set ? -- IOnut - Unregistered ;) FreeBSD "user" "Intellectual Property" is nowhere near as valuable as "Intellect" Ferengi Rule of Acquisition #189: Let others keep their reputation. You keep their latinum. -- ST: Legends of the Ferengi
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