On Wednesday 22 September 2004 04:48 pm, Bill Smithem wrote: > Allen Winter wrote: > > >Howdy, > > > >I just got a new 160GB external USB Hard drive from Maxtor (the "One Touch"). > >At first it seemed to work for me without any trouble. I copied 10GB or so onto it and things look ok. > >But a few hours later the drive was unmounted. > >There is one big Linux partition with an ext3 filesystem on the drive. The drive is plugged into a 4-port > >Kensington USB hub. > > > >The first sign of trouble I see are these messages from /var/log/messages: > >Sep 20 20:01:06 kernel: updfstab: Using deprecated /dev/sg mechanism instead of SG_IO on the actual device > >Sep 20 20:01:06 kernel: kudzu: Using deprecated /dev/sg mechanism insteadof SG_IO on the actual device > > > >Later, these messages show up in /var/log/messages when the drive unmounts: > >Sep 20 22:02:30 kernel: usb 1-1.2: USB disconnect, address 4 > >Sep 20 22:09:04 kernel: scsi0 (0:0): rejecting I/O to dead device > >Sep 20 22:09:04 kernel: EXT3-fs error (device sda1): ext3_find_entry: reading directory #2 offset 0 > >Sep 20 22:09:04 kernel: Aborting journal on device sda1. > >Sep 20 22:09:04 kernel: scsi0 (0:0): rejecting I/O to dead device > >Sep 20 22:09:04 kernel: Buffer I/O error on device sda1, logical block 530 > >Sep 20 22:09:04 kernel: lost page write due to I/O error on sda1 > >Sep 20 22:09:04 kernel: scsi0 (0:0): rejecting I/O to dead device > >Sep 20 22:09:04 kernel: Buffer I/O error on device sda1, logical block 0 > >Sep 20 22:09:04 kernel: lost page write due to I/O error on sda1 > >Sep 20 22:10:08 kernel: scsi0 (0:0): rejecting I/O to dead device > >Sep 20 22:10:08 kernel: EXT3-fs error (device sda1): ext3_find_entry: reading directory #2 offset 0 > >Sep 20 22:10:08 kernel: scsi0 (0:0): rejecting I/O to dead device > >Sep 20 22:10:08 kernel: Buffer I/O error on device sda1, logical block 0 > >Sep 20 22:10:08 kernel: lost page write due to I/O error on sda1 > >Sep 20 22:10:08 kernel: ext3_abort called. > >Sep 20 22:10:08 kernel: EXT3-fs abort (device sda1): ext3_journal_start: Detected aborted journal > > > >Any idea how I can fix this? After a reboot the drive works again for a little while before unmounting. > >I have an FC2 system running the stock 2.6.8-1.521 kernel. > > > >Help! Appreciated, > >Allen > > > > > > > > > I have the same problem reading flash cards with a SanDisk ImageMate > 6in1 reader. The same hardware works just fine on my notebook running > the same kernel. I've had USB problems off and on with this P4S5A > mainboard since upgrading to FC2. There were several kernels that > locked up solid if I pressed the sync button on my palm pilot. > > I'm curious if yours was an upgrade from FC1 or a fresh install. The > system I have problems with was upgraded, while the other was installed > clean. > Bill, This was a fresh install. So far my only guess is that my machine has USB 1.1 rather than USB 2.0 ports. I haven't tried plugging the external drive into my notebook which has USB 2.0. I guess I should do that experiment. So far I've turned up no clues searching and googling around. Regards, Allen
