[Sep26 22:26] usb 1-2: reset full-speed USB device number 2 using pxa27x-ohci
[Sep26 22:27] usb 1-2: reset full-speed USB device number 2 using pxa27x-ohci
[  +0.212704] usb 1-2: device firmware changed
[  +0.003286] usb 1-2: USB disconnect, device number 2
[  +0.024110] sd 0:0:0:0: [sda] Unhandled error code
[  +0.003503] sd 0:0:0:0: [sda]  
[  +0.001836] Result: hostbyte=0x01 driverbyte=0x00
[  +0.003525] sd 0:0:0:0: [sda] CDB: 
[  +0.002274] cdb[0]=0x2a: 2a 00 00 44 17 f0 00 00 20 00
[  +0.003926] end_request: I/O error, dev sda, sector 4462576
[  +0.066037] Aborting journal on device sda1-8.
[  +0.003645] JBD2: Error -5 detected when updating journal superblock for sda1-8.
[  +0.023634] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal
[  +0.007473] EXT4-fs (sda1): Remounting filesystem read-only
[  +0.004313] EXT4-fs (sda1): previous I/O error to superblock detected
[  +0.128551] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33980)
[  +0.010926] Buffer I/O error on device sda1, logical block 33723
[  +0.004710] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33981)
[  +0.010875] Buffer I/O error on device sda1, logical block 33724
[  +0.004683] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33982)
[  +0.010876] Buffer I/O error on device sda1, logical block 33725
[  +0.004684] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33983)
[  +0.010875] Buffer I/O error on device sda1, logical block 33726
[  +0.004684] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33984)
[  +0.010875] Buffer I/O error on device sda1, logical block 33727
[  +0.004695] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33985)
[  +0.010875] Buffer I/O error on device sda1, logical block 33728
[  +0.004682] EXT4-fs warning (device sda1): ext4_end_bio:317: I/O error -5 writing to inode 130325 (offset 0 size 0 starting block 33986)
[  +0.010879] Buffer I/O error on device sda1, logical block 33729
[  +0.171313] EXT4-fs (sda1): previous I/O error to superblock detected
[  +0.005566] EXT4-fs error (device sda1): ext4_put_super:792: Couldn't clean up the journal
[  +0.489885] usb 1-2: new full-speed USB device number 5 using pxa27x-ohci
[ +15.178828] usb 1-2: device descriptor read/64, error -110
[Sep26 22:28] usb 1-2: device descriptor read/64, error -110
[  +0.289987] usb 1-2: new full-speed USB device number 6 using pxa27x-ohci
[ +15.178760] usb 1-2: device descriptor read/64, error -110
[ +15.288865] usb 1-2: device descriptor read/64, error -110
[  +0.289830] usb 1-2: new full-speed USB device number 7 using pxa27x-ohci
[  +5.029793] usb 1-2: device descriptor read/8, error -110
[  +5.129971] usb 1-2: device descriptor read/8, error -110
[  +0.289522] usb 1-2: new full-speed USB device number 8 using pxa27x-ohci
[  +5.030485] usb 1-2: device descriptor read/8, error -110
[  +5.128998] usb 1-2: device descriptor read/8, error -110
[  +0.109747] usb usb1-port2: unable to enumerate USB device