Date: Wed, 16 Dec 2009 17:56:12 -0700 (MST) From: Warren Block <wblock@wonkity.com> To: David Naylor <naylor.b.david@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Device not configured Message-ID: <alpine.BSF.2.00.0912161742000.97785@wonkity.com> In-Reply-To: <200912162359.44675.naylor.b.david@gmail.com> References: <200912162359.44675.naylor.b.david@gmail.com>
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On Wed, 16 Dec 2009, David Naylor wrote: > I booted into single user mode (running FreeBSD 8 RC2) and did: > > # dd if=/dev/ad8 of=/dev/ad8 bs=1024k That command copies the hard drive... over itself. What were you trying to do? > After waiting a few hours the command completed without problem (ad8 is the > HDD that has FreeBSD). After that I got the following: > > # reboot > reboot: device not configured > # ls > vnode_pager_getpages: I/O read error > ls: device not configured Not good. Maybe trying to swap back in from swap that was just overwritten? > Pressing the boxes power button results in the above vnode message to spam the > screen. The only way to reset the system was to do a hard reset (root was ro > :-) ). Did it come back up? > Is this expected behaviour or something wrong with the HDD? Not expected, exactly, but not surprising. The hardware should be fine. > I have been having issues with VirtualBox where doing IO (network and HDD) > causes DMA problems resulting in the system panicing and rebooting. Could > this be related? That sounds like a separate problem. -Warren Block * Rapid City, South Dakota USA
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