USB disconnect

[Eros Durante]

USB ports are often resetted and disconnected.
Below an example sequence:

[mar giu 12 18:57:22 2012] usb 2-1.6: reset low-speed USB device number 106 using ehci_hcd
[mar giu 12 18:57:22 2012] usb 2-1.6: USB disconnect, device number 106
[mar giu 12 18:57:22 2012] usb 2-1: reset high-speed USB device number 105 using ehci_hcd
[mar giu 12 18:57:23 2012] usb 2-1.6: new low-speed USB device number 107 using ehci_hcd
[mar giu 12 18:57:23 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/input/input297
[mar giu 12 18:57:23 2012] generic-usb 0003:04F2:0860.00E9: input,hidraw0: USB HID v1.11 Keyboard [Chicony 2.4G Multimedia Wireless Kit] on usb-0000:00:1d.0-1.6/input0
[mar giu 12 18:57:23 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.1/input/input298
[mar giu 12 18:57:23 2012] generic-usb 0003:04F2:0860.00EA: input,hiddev0,hidraw1: USB HID v1.11 Mouse [Chicony 2.4G Multimedia Wireless Kit] on usb-0000:00:1d.0-1.6/input1
[mar giu 12 18:57:23 2012] usb 2-1: USB disconnect, device number 105
[mar giu 12 18:57:23 2012] usb 2-1.6: USB disconnect, device number 107
[mar giu 12 18:57:23 2012] usb 2-1: new high-speed USB device number 108 using ehci_hcd
[mar giu 12 18:57:23 2012] hub 2-1:1.0: USB hub found
[mar giu 12 18:57:23 2012] hub 2-1:1.0: 8 ports detected
[mar giu 12 18:57:24 2012] usb 1-1.3.1.3: reset full-speed USB device number 51 using ehci_hcd
[mar giu 12 18:57:24 2012] usb 2-1.6: new low-speed USB device number 109 using ehci_hcd
[mar giu 12 18:57:24 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/input/input299
[mar giu 12 18:57:24 2012] generic-usb 0003:04F2:0860.00EB: input,hidraw0: USB HID v1.11 Keyboard [Chicony 2.4G Multimedia Wireless Kit] on usb-0000:00:1d.0-1.6/input0
[mar giu 12 18:57:24 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.1/input/input300
[mar giu 12 18:57:24 2012] generic-usb 0003:04F2:0860.00EC: input,hiddev0,hidraw1: USB HID v1.11 Mouse [Chicony 2.4G Multimedia Wireless Kit] on usb-0000:00:1d.0-1.6/input1
[mar giu 12 18:57:24 2012] input: 3M 3M USB Touchscreen - EX II as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1.3/1-1.3.1.3:1.0/input/input301
[mar giu 12 18:57:24 2012] usb 1-1.3.4: reset low-speed USB device number 50 using ehci_hcd
[mar giu 12 18:57:24 2012] usb 1-1.3.1.3: USB disconnect, device number 51
[mar giu 12 18:57:25 2012] usb 1-1.3.1: reset high-speed USB device number 49 using ehci_hcd
[mar giu 12 18:57:25 2012] usb 1-1.3.1.3: new full-speed USB device number 52 using ehci_hcd
[mar giu 12 18:57:25 2012] input: 3M 3M USB Touchscreen - EX II as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1.3/1-1.3.1.3:1.0/input/input302
[mar giu 12 18:57:25 2012] usb 1-1.5.1: reset full-speed USB device number 48 using ehci_hcd
[mar giu 12 18:57:26 2012] usb 1-1.5.1: USB disconnect, device number 48
[mar giu 12 18:57:26 2012] usb 1-1.5: reset high-speed USB device number 42 using ehci_hcd
[mar giu 12 18:57:26 2012] usb 1-1.5.1: new full-speed USB device number 53 using ehci_hcd
[mar giu 12 18:57:26 2012] usb 1-1.3.1: USB disconnect, device number 49
[mar giu 12 18:57:26 2012] usb 1-1.3.1.3: USB disconnect, device number 52
[mar giu 12 18:57:26 2012] usb 1-1.3.4: USB disconnect, device number 50
[mar giu 12 18:57:26 2012] usb 1-1.3: reset high-speed USB device number 41 using ehci_hcd
[mar giu 12 18:57:27 2012] usb 1-1.3.1: new high-speed USB device number 54 using ehci_hcd
[mar giu 12 18:57:27 2012] hub 1-1.3.1:1.0: USB hub found
[mar giu 12 18:57:27 2012] hub 1-1.3.1:1.0: 4 ports detected
[mar giu 12 18:57:27 2012] usb 1-1.3.4: new low-speed USB device number 55 using ehci_hcd
[mar giu 12 18:57:27 2012] input: BIZLINK BIZ A01 V1.47 as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3.4/1-1.3.4:1.0/input/input303
[mar giu 12 18:57:27 2012] generic-usb 0003:06C4:1400.00ED: input,hidraw2: USB HID v1.10 Keyboard [BIZLINK BIZ A01 V1.47] on usb-0000:00:1a.0-1.3.4/input0
[mar giu 12 18:57:27 2012] input: BIZLINK BIZ A01 V1.47 as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3.4/1-1.3.4:1.1/input/input304
[mar giu 12 18:57:27 2012] generic-usb 0003:06C4:1400.00EE: input,hidraw3: USB HID v1.10 Mouse [BIZLINK BIZ A01 V1.47] on usb-0000:00:1a.0-1.3.4/input1
[mar giu 12 18:57:27 2012] usb 1-1.3.1.3: new full-speed USB device number 56 using ehci_hcd
[mar giu 12 18:57:27 2012] usb 1-1.1: reset full-speed USB device number 36 using ehci_hcd
[mar giu 12 18:57:27 2012] generic-usb 0003:077A:101E.00EF: hiddev0,hidraw4: USB HID v1.11 Device [NIDEC SANKYO CORPORATION ICT3K5] on usb-0000:00:1a.0-1.1/input0
[mar giu 12 18:57:28 2012] input: 3M 3M USB Touchscreen - EX II as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1.3/1-1.3.1.3:1.0/input/input305

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1012291

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Joseph Salisbury (jsalisbury)]

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.5kernel[0] (Not a kernel in the daily directory) and install both the linux-image and linux-image-extra .deb packages.

Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag(Only that one tag, please leave the other tags). This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text.

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5-rc2-quantal/

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[Clownfishy (clownfishy)]

I too have this problem on when I plug my Hitatchi 2TB Touro Desk Pro into my laptop running Ubuntu 12.10, Kernel Linux 3.5.0-19-generic, GNOME 3.6.0

Dec 16 11:45:53 coralreef kernel: [ 2823.716084] usb 1-3: reset high-speed USB device number 18 using ehci_hcd
Dec 16 11:46:08 coralreef kernel: [ 2838.828080] usb 1-3: device descriptor read/64, error -110
Dec 16 11:46:23 coralreef kernel: [ 2854.044087] usb 1-3: device descriptor read/64, error -110
Dec 16 11:46:23 coralreef kernel: [ 2854.260081] usb 1-3: reset high-speed USB device number 18 using ehci_hcd
Dec 16 11:46:38 coralreef kernel: [ 2869.372083] usb 1-3: device descriptor read/64, error -110
Dec 16 11:46:53 coralreef kernel: [ 2884.588095] usb 1-3: device descriptor read/64, error -110
Dec 16 11:46:54 coralreef kernel: [ 2884.804063] usb 1-3: reset high-speed USB device number 18 using ehci_hcd
Dec 16 11:46:59 coralreef kernel: [ 2890.216071] usb 1-3: device not accepting address 18, error -71
Dec 16 11:46:59 coralreef kernel: [ 2890.328097] usb 1-3: reset high-speed USB device number 18 using ehci_hcd
Dec 16 11:47:05 coralreef kernel: [ 2895.740074] usb 1-3: device not accepting address 18, error -71
Dec 16 11:47:05 coralreef kernel: [ 2895.740142] usb 1-3: USB disconnect, device number 18
Dec 16 11:47:05 coralreef kernel: [ 2895.740176] sd 6:0:0:0: Device offlined - not ready after error recovery
Dec 16 11:47:05 coralreef kernel: [ 2895.740196] sd 6:0:0:0: [sdb] Unhandled error code
Dec 16 11:47:05 coralreef kernel: [ 2895.740201] sd 6:0:0:0: [sdb]
Dec 16 11:47:05 coralreef kernel: [ 2895.740206] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Dec 16 11:47:05 coralreef kernel: [ 2895.740211] sd 6:0:0:0: [sdb] CDB:
Dec 16 11:47:05 coralreef kernel: [ 2895.740214] Read(10): 28 00 55 37 1b c0 00 00 f0 00
Dec 16 11:47:05 coralreef kernel: [ 2895.740237] end_request: I/O error, dev sdb, sector 1429674944
Dec 16 11:47:05 coralreef kernel: [ 2895.740244] quiet_error: 23 callbacks suppressed
Dec 16 11:47:05 coralreef kernel: [ 2895.740249] Buffer I/O error on device sdb1, logical block 178709112
Dec 16 11:47:05 coralreef kernel: [ 2895.740261] Buffer I/O error on device sdb1, logical block 178709113
Dec 16 11:47:05 coralreef kernel: [ 2895.740267] Buffer I/O error on device sdb1, logical block 178709114
Dec 16 11:47:05 coralreef kernel: [ 2895.740272] Buffer I/O error on device sdb1, logical block 178709115
Dec 16 11:47:05 coralreef kernel: [ 2895.740278] Buffer I/O error on device sdb1, logical block 178709116
Dec 16 11:47:05 coralreef kernel: [ 2895.740283] Buffer I/O error on device sdb1, logical block 178709117
Dec 16 11:47:05 coralreef kernel: [ 2895.740289] Buffer I/O error on device sdb1, logical block 178709118
Dec 16 11:47:05 coralreef kernel: [ 2895.740294] Buffer I/O error on device sdb1, logical block 178709119
Dec 16 11:47:05 coralreef kernel: [ 2895.740300] Buffer I/O error on device sdb1, logical block 178709120
Dec 16 11:47:05 coralreef kernel: [ 2895.740314] Buffer I/O error on device sdb1, logical block 178709121
Dec 16 11:47:05 coralreef kernel: [ 2895.740464] sd 6:0:0:0: [sdb] Unhandled error code
Dec 16 11:47:05 coralreef kernel: [ 2895.740467] sd 6:0:0:0: [sdb] ...

[Clownfishy (clownfishy)]

This is what I get when I first plug the drive in -

Dec 16 11:56:44 coralreef mtp-probe: checking bus 1, device 27: "/sys/devices/pci0000:00/0000:00:1d.7/usb1/1-6"
Dec 16 11:56:44 coralreef mtp-probe: bus: 1, device: 27 was not an MTP device
Dec 16 11:56:52 coralreef kernel: [ 3482.864884] scsi 7:0:0:0: Direct-Access Hitachi Hitachi HDS72302 A800 PQ: 0 ANSI: 4
Dec 16 11:56:52 coralreef kernel: [ 3482.865782] sd 7:0:0:0: Attached scsi generic sg2 type 0
Dec 16 11:56:52 coralreef kernel: [ 3482.869837] sd 7:0:0:0: [sdb] 3907024896 512-byte logical blocks: (2.00 TB/1.81 TiB)
Dec 16 11:56:52 coralreef kernel: [ 3482.870843] sd 7:0:0:0: [sdb] Write Protect is off
Dec 16 11:56:52 coralreef kernel: [ 3482.870851] sd 7:0:0:0: [sdb] Mode Sense: 4b 00 10 08
Dec 16 11:56:52 coralreef kernel: [ 3482.871895] sd 7:0:0:0: [sdb] No Caching mode page present
Dec 16 11:56:52 coralreef kernel: [ 3482.871903] sd 7:0:0:0: [sdb] Assuming drive cache: write through
Dec 16 11:56:52 coralreef kernel: [ 3482.875617] sd 7:0:0:0: [sdb] No Caching mode page present
Dec 16 11:56:52 coralreef kernel: [ 3482.875625] sd 7:0:0:0: [sdb] Assuming drive cache: write through
Dec 16 11:56:52 coralreef kernel: [ 3482.890142] sdb: sdb1
Dec 16 11:56:52 coralreef kernel: [ 3482.893126] sd 7:0:0:0: [sdb] No Caching mode page present
Dec 16 11:56:52 coralreef kernel: [ 3482.893134] sd 7:0:0:0: [sdb] Assuming drive cache: write through
Dec 16 11:56:52 coralreef kernel: [ 3482.893141] sd 7:0:0:0: [sdb] Attached SCSI disk
Dec 16 11:56:52 coralreef ata_id[4646]: HDIO_GET_IDENTITY failed for '/dev/sdb': Invalid argument
Dec 16 11:56:55 coralreef ntfs-3g[4663]: Version 2012.1.15AR.5 external FUSE 29
Dec 16 11:56:55 coralreef ntfs-3g[4663]: Mounted /dev/sdb1 (Read-Write, label "Earth", NTFS 3.1)
Dec 16 11:56:55 coralreef ntfs-3g[4663]: Cmdline options: rw,nosuid,nodev,uhelper=udisks2,uid=1000,gid=1000,dmask=0077,fmask=0177
Dec 16 11:56:55 coralreef ntfs-3g[4663]: Mount options: rw,nosuid,nodev,uhelper=udisks2,allow_other,nonempty,relatime,default_permissions,fsname=/dev/sdb1,blkdev,blksize=4096
Dec 16 11:56:55 coralreef ntfs-3g[4663]: Global ownership and permissions enforced, configuration type 7
Dec 16 11:56:55 coralreef udisksd[1871]: Mounted /dev/sdb1 at /media/clownfish/Earth on behalf of uid 1000

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1012291

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Clownfishy (clownfishy)]

After copying just 230MB from this external drive to my laptop's local drive, I get the following messages in my log file and the drive disappears from view -

Dec 16 11:58:54 coralreef kernel: [ 3605.052088] usb 1-6: reset high-speed USB device number 27 using ehci_hcd
Dec 16 11:59:09 coralreef kernel: [ 3620.164086] usb 1-6: device descriptor read/64, error -110
Dec 16 11:59:24 coralreef kernel: [ 3635.380081] usb 1-6: device descriptor read/64, error -110
Dec 16 11:59:24 coralreef kernel: [ 3635.596095] usb 1-6: reset high-speed USB device number 27 using ehci_hcd
Dec 16 11:59:40 coralreef kernel: [ 3650.708089] usb 1-6: device descriptor read/64, error -110
Dec 16 11:59:55 coralreef kernel: [ 3665.924115] usb 1-6: device descriptor read/64, error -110
Dec 16 11:59:55 coralreef kernel: [ 3666.140082] usb 1-6: reset high-speed USB device number 27 using ehci_hcd
Dec 16 12:00:00 coralreef kernel: [ 3671.552053] usb 1-6: device not accepting address 27, error -71
Dec 16 12:00:01 coralreef kernel: [ 3671.664135] usb 1-6: reset high-speed USB device number 27 using ehci_hcd
Dec 16 12:00:06 coralreef kernel: [ 3677.076069] usb 1-6: device not accepting address 27, error -71
Dec 16 12:00:06 coralreef kernel: [ 3677.076131] usb 1-6: USB disconnect, device number 27
Dec 16 12:00:06 coralreef kernel: [ 3677.076262] sd 7:0:0:0: Device offlined - not ready after error recovery
Dec 16 12:00:06 coralreef kernel: [ 3677.080075] sd 7:0:0:0: [sdb] Unhandled error code
Dec 16 12:00:06 coralreef kernel: [ 3677.080080] sd 7:0:0:0: [sdb]
Dec 16 12:00:06 coralreef kernel: [ 3677.080084] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
Dec 16 12:00:06 coralreef kernel: [ 3677.080087] sd 7:0:0:0: [sdb] CDB:
Dec 16 12:00:06 coralreef kernel: [ 3677.080089] Read(10): 28 00 57 7b 36 38 00 00 f0 00
Dec 16 12:00:06 coralreef kernel: [ 3677.080104] end_request: I/O error, dev sdb, sector 1467692600
Dec 16 12:00:06 coralreef kernel: [ 3677.080109] quiet_error: 22 callbacks suppressed
Dec 16 12:00:06 coralreef kernel: [ 3677.080116] Buffer I/O error on device sdb1, logical block 183461319
Dec 16 12:00:06 coralreef kernel: [ 3677.080131] Buffer I/O error on device sdb1, logical block 183461320
Dec 16 12:00:06 coralreef kernel: [ 3677.080135] Buffer I/O error on device sdb1, logical block 183461321
Dec 16 12:00:06 coralreef kernel: [ 3677.080138] Buffer I/O error on device sdb1, logical block 183461322
Dec 16 12:00:06 coralreef kernel: [ 3677.080141] Buffer I/O error on device sdb1, logical block 183461323
Dec 16 12:00:06 coralreef kernel: [ 3677.080144] Buffer I/O error on device sdb1, logical block 183461324
Dec 16 12:00:06 coralreef kernel: [ 3677.080147] Buffer I/O error on device sdb1, logical block 183461325
Dec 16 12:00:06 coralreef kernel: [ 3677.080150] Buffer I/O error on device sdb1, logical block 183461326
Dec 16 12:00:06 coralreef kernel: [ 3677.080154] Buffer I/O error on device sdb1, logical block 183461327
Dec 16 12:00:06 coralreef kernel: [ 3677.080160] Buffer I/O error on device sdb1, logical block 183461328
Dec 16 12:00:06 coralreef ntfs-3g[4663]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
Dec 16 12:00:06 coralreef ntfs-3g[4663]: nt...

[Clownfishy (clownfishy)]

ApportVersion: 2.6.1-0ubuntu9
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: clownfish 2029 F.... pulseaudio
CRDA:
 country GB:
  (2402 - 2482 @ 40), (N/A, 20)
  (5170 - 5250 @ 40), (N/A, 20)
  (5250 - 5330 @ 40), (N/A, 20), DFS
  (5490 - 5710 @ 40), (N/A, 27), DFS
DistroRelease: Ubuntu 12.10
HibernationDevice: RESUME=UUID=b9630887-c9ce-4681-8be1-c5a0b672bfcc
InstallationDate: Installed on 2012-12-09 (7 days ago)
InstallationMedia: Ubuntu GNOME Remix 12.10 "Quantal Quetzal" - Release i386(20121018)
MachineType: Dell Inc. Precision M90
MarkForUpload: True
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-19-generic root=UUID=d6f51bc8-4a52-4a68-bab3-e9243d6005dc ro quiet splash
ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
RelatedPackageVersions:
 linux-restricted-modules-3.5.0-19-generic N/A
 linux-backports-modules-3.5.0-19-generic N/A
 linux-firmware 1.95
Tags: quantal
Uname: Linux 3.5.0-19-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 10/16/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0YD632
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd10/16/2008:svnDellInc.:pnPrecisionM90:pvr:rvnDellInc.:rn0YD632:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Precision M90
dmi.sys.vendor: Dell Inc.

[Clownfishy (clownfishy)]

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[Clownfishy (clownfishy)]

One last point, this is a USB 3 drive being plugged into a laptop (Dell Precision M90) which only has USB 2. None of the external USB hard drives I use on this laptop have this problem.

Just though that may help? Please let me know if you need any further information or would like me to perform any tests as I would be more than happy to do so as this problem is driving me nuts!

Many thanks

[Clownfishy (clownfishy)]

Just tried -

sudo echo 5 > /sys/module/usb_storage/parameters/delay_use

and then

sudo echo 10 > /sys/module/usb_storage/parameters/delay_use

But no difference. Copying a 915MB file from the external hard disk fails about 50% through the copy with the same problem.

[Clownfishy (clownfishy)]

I have also tried "blacklist ehci_hcd" in the "/etc/modprobe.d/blacklist.conf" file but still the same problem. I think this is affected other people (even Linus Torvalds himself!) but I cannot find a fix for this. Please see -

https://lkml.org/lkml/2012/4/14/217
http://www.pclinuxos.com/forum/index.php?PHPSESSID=1fq1p6kgrina6oqec0o72gss72&topic=104879.30
http://www.cyberciti.biz/faq/rhel-redhat-centos-kernel-usb-reset-high-speed-ehci_hcd/

[Clownfishy (clownfishy)]

The above errors only appear when copying from the drive. I have just copied a 1.2GB drive to the external drive twice without a problem. As soon as I try and copy the same file back from the external hard disk to the laptop, the error occurs.

[Clownfishy (clownfishy)]

After receiving the error and leaving the drive on, the system log eventually displays -

Dec 21 14:27:06 coralreef kernel: [ 1745.236080] usb 3-1: device not accepting address 5, error -84
Dec 21 14:27:06 coralreef kernel: [ 1745.236115] hub 3-0:1.0: unable to enumerate USB device on port 1
Dec 21 14:27:47 coralreef kernel: [ 1786.358145] iwl3945 0000:0c:00.0: Microcode SW error detected. Restarting 0x82000008.
Dec 21 14:27:47 coralreef kernel: [ 1786.358152] iwl3945 0000:0c:00.0: Loaded firmware version: 15.32.2.9
Dec 21 14:27:47 coralreef kernel: [ 1786.358188] iwl3945 0000:0c:00.0: Start IWL Error Log Dump:
Dec 21 14:27:47 coralreef kernel: [ 1786.358190] iwl3945 0000:0c:00.0: Status: 0x000202E4, count: 1
Dec 21 14:27:47 coralreef kernel: [ 1786.358192] iwl3945 0000:0c:00.0: Desc Time asrtPC blink2 ilink1 nmiPC Line
Dec 21 14:27:47 coralreef kernel: [ 1786.358438] iwl3945 0000:0c:00.0: SYSASSERT (0x5) 0000120987 0x008B6 0x0035E 0x00320 0x00000 267
Dec 21 14:27:47 coralreef kernel: [ 1786.358438]
Dec 21 14:27:47 coralreef kernel: [ 1786.358449] iwl3945 0000:0c:00.0: Error Reply type 0x00000001 cmd UNKNOWN (0x88) seq 0x0034 ser 0x00880000
Dec 21 14:27:47 coralreef kernel: [ 1786.360010] iwl3945 0000:0c:00.0: Can't stop Rx DMA.
Dec 21 14:27:47 coralreef kernel: [ 1786.360522] ieee80211 phy0: Hardware restart was requested

[Clownfishy (clownfishy)]

Another update. I have deleted all the partitions. Created a 350GB EXT4 partition. Copied a 700MB file to it no problems. Tried copying the file back off the drive to the laptops drive and the problem re occures. Therefore, this bug is when it reads from the drive rather than writes to the drive. It also appears I need to do the following in order for the drive to stay mounted -

sudo echo 5 > /sys/module/usb_storage/parameters/delay_use

What is interesting is if I leave the drive on after it has this error and disappears off the USB Bus, I can hear the drive....sounds like the heads are contractually trying to read the disk.

How do I get someone to look at this list, I am sending in all the information I can!

[penalvch (penalvch)]

Eros Durante, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.11-rc5

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[databill (julienjut)]

This issue affects me also.
My PC attach a USB-3 2TB*2 Raid0 storage. It disconnect every several hours when the disk is in idle.

julien@julien-htpc:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 54
model name : Intel(R) Atom(TM) CPU D2550 @ 1.86GHz
stepping : 1
microcode : 0x106
cpu MHz : 1861.956
cache size : 512 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts nopl nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm arat dtherm
bugs :
bogomips : 3723.91
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

julien@julien-htpc:~$ uname -a
Linux julien-htpc 3.19.0-31-generic #36-Ubuntu SMP Wed Oct 7 15:04:02 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
julien@julien-htpc:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.04
Release: 15.04
Codename: vivid

[Mon Nov 2 08:01:37 2015] sd 15:0:0:0: [sdc] Attached SCSI disk
[Mon Nov 2 21:41:23 2015] usb 2-2: USB disconnect, device number 13
[Mon Nov 2 21:41:23 2015] scsi 15:0:0:0: rejecting I/O to offline device
[Mon Nov 2 21:41:23 2015] scsi 15:0:0:0: [sdc] killing request
[Mon Nov 2 21:41:23 2015] scsi 15:0:0:0: [sdc] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[Mon Nov 2 21:41:23 2015] scsi 15:0:0:0: [sdc] CDB:
[Mon Nov 2 21:41:23 2015] Read(16): 88 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00
[Mon Nov 2 21:41:23 2015] blk_update_request: I/O error, dev sdc, sector 0
[Mon Nov 2 21:41:23 2015] Buffer I/O error on dev sdc, logical block 0, async page read
[Mon Nov 2 21:41:23 2015] Buffer I/O error on dev sdc, logical block 0, async page read
[Mon Nov 2 21:41:36 2015] usb 1-2: new high-speed USB device number 15 using xhci_hcd
[Mon Nov 2 21:41:36 2015] usb 2-2: new SuperSpeed USB device number 14 using xhci_hcd
[Mon Nov 2 21:41:36 2015] usb 2-2: New USB device found, idVendor=152d, idProduct=0539
[Mon Nov 2 21:41:36 2015] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5
[Mon Nov 2 21:41:36 2015] usb 2-2: Product: USB to ATA/ATAPI Bridge
[Mon Nov 2 21:41:36 2015] usb 2-2: Manufacturer: JMicron
[Mon Nov 2 21:41:36 2015] usb 2-2: SerialNumber: CEE983BFFFFF
[Mon Nov 2 21:41:36 2015] usb-storage 2-2:1.0: USB Mass Storage device detected
[Mon Nov 2 21:41:36 2015] usb-storage 2-2:1.0: Quirks match for vid 152d pid 0539: 4000000
[Mon Nov 2 21:41:36 2015] scsi host16: usb-storage 2-2:1.0
[Mon Nov 2 21:41:37 2015] scsi 16:0:0:0: Direct-Access ORICO H/ W RAID0 PQ: 0 ANSI: 5
[Mon Nov 2 21:41:37 2015] sd 16:0:0:0: Attached scsi generic sg1 type 0
[Mon Nov 2 21:41:37 2015] sd 16:0:0:0: [sdc] Very big device. Trying to use READ CAPACITY(16).
[Mon Nov 2 21:41:37 2015] sd 16:0:0:0: [sdc] 7813857280 512-byte logical blocks: (4.00 TB/3.63 TiB)
[Mon Nov 2 21:41:37 2015] sd 16:0:0:0: [sdc] Write Protect...

[penalvch (penalvch)]

databill, it will help immensely if you filed a new report via a terminal:
ubuntu-bug linux

Please feel free to subscribe me to it.