On Thursday 29 January 2009 18:52:08 Reid Priedhorsky wrote: > ClamAV 0.94.2 signatures . > > All, > > I have a USB disk (a 320GB Western Digital My Passport) which is > exhibiting the following problem. > > When first hooked up and mounted, it works fine. I've successfully > transferred 100's of GB onto the disk. > > However, if left idle for some hours, it fails when accessed, with a > spontaneous USB disconnect and reconnect of the device (log excerpts > below). > > Some hours later, it still gives immediate I/O errors when accessed (e.g. > with ls), but unmounting and re-mounting the drive makes it work again. > (It might have also needed a physical unplug and re-plug once, but I don't > recall for sure.) > > It is a 2.5" disk with no external power supply, just power from USB. This > happens in multiple port group and multiple cables. I have another USB > disk, this one a 3.5" IDE drive which I installed in a USB enclosure > myself, that does have external power, that works with no problems. > > Now, the unmount/remount cycle suggests that I could perhaps work around > the problem with automount. But, if the disk is just plain defective, I > don't want to paper over the problem. > > I wonder if the computer can't provide enough power to run the device (it > exceeds the 500mA/port limit, though that was NOT clear in the newegg > description). However, if that's true, why does it only fail after a long > idle? > > Thoughts? > > Many thanks in advance, > > Reid
This looks similar to a problem I have with a 500G Toshiba drive. Have you tried this on a USB 1 port? does it do the same? PS. I still don't know why mine dies. (at work I have a couple of 1Tb drives that work fine on USB2) -- Thank you, Clifford W. Hansen PHP Developer / Linux Administrator (Mobile/SMS) +27 82 883 8677 (Fax) +27 86 503 0634 (E-Mail/Jabber/GMail) cliff...@nighthawk.co.za (GPG) 0x936D6C19 (Web) http://nighthawk.co.za/ "We have seen strange things today!" () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
