My USB drive is externally powered. I also experienced the failure you described. My Ethernet also stopped but restarting the service failed to correct the problem. I attributed the problem to something on the network, since Ethernet stopped on both systems and both required reboot to restart it. Best regards, Sky Wavrek > Message: 6 > Date: Tue, 05 Sep 2006 10:30:18 -0600 > From: Guy Fraser <guy@xxxxxxxxxxxx> > Subject: Re: USB disconnect during heavy I/O > To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx> > Message-ID: <1157473818.14142.9.camel@xxxxxxxxxxxxxxxxxxx> > Content-Type: text/plain > > On Tue, 2006-09-05 at 02:08 -0400, Schuyler J Wavrek I wrote: > > I have a 160G USB 2.0 drive on current FC5 32bit system. During periods > > of heavy I/O, it is disconnected from the system. All the failures > > until today were occurred with the heavy I/O on the USB drive. Today, I > > experienced the same failure during heavy nfs load on my system and > > minimal load on the USB drive. I didn't find others reporting the same > > problem under the same circumstances. I have an encrypted partition > > (sda3) on the drive mounted through a crypto loop device. The USB drive > > is quickly redetected. The fat32 and ext3 partitions on the USB drive > > are unaffected. Anyone else seeing this? > > > > Not specifically, but I have been having issues using an external USB > drive on my FC5 MC at work. I have also been having problems with the > Ethernet stopping during heavy load, and have to disable then enable > the interface to get connectivity back. The MC I am using was from a > server that had been starting to act up, so I am guessing that is my > problem. > > Is your USB drive externally powered or does it draw power from the > motherboard? > > > Best regards, > > Sky Wavrek > > > > Sep 4 19:50:30 lurch kernel: usb 6-5: USB disconnect, address 2 > > Sep 4 19:50:30 lurch kernel: sd 0:0:0:0: rejecting I/O to device being > > removed > > Sep 4 19:50:30 lurch kernel: Buffer I/O error on device sda3, logical > > block 30104 > > Sep 4 19:50:30 lurch kernel: lost page write due to I/O error on sda3 > > ... > > > > Sep 4 19:50:31 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:32 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:32 lurch kernel: FAT: Directory bread(block 66762) failed > > ... > > Sep 4 19:50:33 lurch kernel: EXT3-fs error (device loop0): > > ext3_find_entry: reading directory #261473 offset 0 > > Sep 4 19:50:33 lurch kernel: Aborting journal on device loop0. > > Sep 4 19:50:33 lurch kernel: ext3_abort called. > > Sep 4 19:50:33 lurch kernel: EXT3-fs error (device loop0): > > ext3_journal_start_sb: Detected aborted journal > > Sep 4 19:50:33 lurch kernel: Remounting filesystem read-only > > Sep 4 19:50:33 lurch kernel: usb 6-5: configuration #1 chosen from 1 > > choice > > Sep 4 19:50:33 lurch kernel: scsi1 : SCSI emulation for USB Mass > > Storage devices > > Sep 4 19:50:33 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:33 lurch last message repeated 4 times > > Sep 4 19:50:33 lurch kernel: EXT3-fs error (device loop0): > > ext3_get_inode_loc: unable to read inode block - inode=163291, > > block=327684 > > Sep 4 19:50:33 lurch kernel: usb 6-5: USB disconnect, address 3 > > Sep 4 19:50:33 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:33 lurch last message repeated 2 times > > Sep 4 19:50:33 lurch kernel: usb 6-5: new high speed USB device using > > ehci_hcd and address 4 > > Sep 4 19:50:33 lurch kernel: usb 6-5: configuration #1 chosen from 1 > > choice > > Sep 4 19:50:33 lurch kernel: scsi2 : SCSI emulation for USB Mass > > Storage devices > > Sep 4 19:50:33 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:33 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:38 lurch kernel: Vendor: USB-HS Model: WDC > > WD1600BB-00G Rev: 0.01 > > Sep 4 19:50:38 lurch kernel: Type: Direct-Access > > ANSI SCSI revision: 00 > > Sep 4 19:50:38 lurch kernel: SCSI device sdb: 312581808 512-byte hdwr > > sectors (160042 MB) > > Sep 4 19:50:38 lurch kernel: sdb: Write Protect is off > > Sep 4 19:50:38 lurch kernel: sdb: assuming drive cache: write through > > Sep 4 19:50:38 lurch kernel: SCSI device sdb: 312581808 512-byte hdwr > > sectors (160042 MB) > > Sep 4 19:50:38 lurch kernel: sdb: Write Protect is off > > Sep 4 19:50:38 lurch kernel: sdb: assuming drive cache: write through > > Sep 4 19:50:38 lurch kernel: sdb: sdb1 sdb2 sdb3 > > Sep 4 19:50:38 lurch kernel: sd 2:0:0:0: Attached scsi disk sdb > > Sep 4 19:50:38 lurch kernel: sd 2:0:0:0: Attached scsi generic sg0 type > > 0 > > Sep 4 19:50:41 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:41 lurch kernel: printk: 191 messages suppressed. > > Sep 4 19:50:41 lurch kernel: Buffer I/O error on device sda3, logical > > block 14680080 > > Sep 4 19:50:41 lurch kernel: Buffer I/O error on device sda3, logical > > block 14680081 > > Sep 4 19:50:41 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:50:41 lurch kernel: EXT3-fs error (device loop0): > > ext3_get_inode_loc: unable to read inode block - inode=913921, > > block=1835010 > > Sep 4 19:50:43 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:51:08 lurch kernel: 0:0:0:0: rejecting I/O to dead device > > Sep 4 19:51:08 lurch kernel: printk: 22 messages suppressed. > > Sep 4 19:51:08 lurch kernel: Buffer I/O error on device sda3, logical > > block 0 > > ... > > > -- > Guy Fraser > Network Administrator > The Internet Centre > 1-888-450-6787 > (780)450-6787 > >