Re: USB disconnect during heavy I/O

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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



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