Tagged Questions

1
vote
1answer
21 views

Why can't I suppress this enumeration error?

I just installed Ubuntu Server 13.04, haven't done any updates nor installed any software, and I'm getting this error: hub 2-0:1.0: unable to enumerate USB device on port 6 And this keeps popping up ...
-1
votes
0answers
74 views

USB to Serial in Chrubuntu - /dev/ttyUSB0 missing [closed]

The usbserial stuff has been working so well for me in Ubuntu for a number of years that I have almost forgotten how to troubleshoot it. I just installed Chrubuntu, however, and now my usbserial is ...
0
votes
0answers
75 views

Zenbook UX31A USB3 not recognised and not working

I have a Zenbook UX31A and Ubuntu 12.10 upgraded to /latest/ kernel 3.8.6-030806-generic. My USB3 controller is not recongnized and I am stuck with USB 2.0 speeds. Listing of dmesg has no mention of ...
0
votes
0answers
52 views

Roland GAIA USB no longer works after kernel 3.2.0-38 update

Recently my Roland GAIA SH-01 synthesizer stopped responding when it is connected by USB while I run Ubuntu. I was able to track down the cause to the 3.2.0-38-generic kernel, if I select revision 37 ...
3
votes
0answers
91 views

Why does 32 bit and 64 bit Ubuntu OS change the behavior of the r8169 LAN module?

This question is posed because I finished building a new rig with a GA-990FXA-UD3 mobo, unlocked FX 4100 proc, 16gb RAM, and GT 640 graphix card. Started it up and tested the mobo (via BIOS) and all ...
0
votes
0answers
232 views

enumerate usb devices ubuntu after kernel upgrade

after kernel upgrade to 3.6.10-030610-generic on boot i see error msg unable to enumerate USB device on port 6 on kernel 3.5.0-22-generic This message does not show I post my lsusb and dmesg usb i ...
0
votes
0answers
81 views

What wireless over USB host adapters are compatible with Ubuntu? [closed]

Given that my computer sits afar from my chair, I need to find a way to connect my USB peripherals next to me. What Wireless over USB adapters and hubs (not WiFi network adapters!) exist that will ...
0
votes
0answers
287 views

Upgraded Kernel, USB mouse no longer working

I recently upgraded kernel to 3.5.0-21, running 12.10. I had to do this due to graphics card driver problems (nvidia quadro 1800 fx, using 304.48 driver), I logged two days ago and my graphics had ...
0
votes
0answers
84 views

How to force full-speed instead of high-speed USB connection

I'm using Ubuntu 12.04. There seem to be issues with some FTDI controllers attached to a high-speed (USB 2.0) hub. For testing purposes I'd like to disable high-speed support temporarily. On older ...
2
votes
1answer
596 views

How to get Cinergy HTC Stick (ID 0ccd:00b2) with DVB-T running?

I try to get the Cinergy HTC Stick (ID 0ccd:00b2) with DVB-T running. Normally is should work with Ubuntu 12.10 (kernel 3.5.x) out of box. But I only get DVB-C running. If I try scan on DVB-T I get ...
0
votes
2answers
153 views

How USB drives goes after system hard drives

I am using 12.04. My hard drives usually comes as: sda, with sudo blkid and if I plug-in any USB drive, they comes as: sdb, sdc etc; after sda. That's fine. But problem arises after I restart my ...
0
votes
1answer
1k views

Logitech C920 camera keeps freezing

Everytime using this camera it crash my system and gets unblessing freez. But when use Windows it works. Why Ubuntu it crash and freez? Its a USB camera logitech C920? How can i solve this? ...
4
votes
1answer
81 views

Is it possible to recover unflushed data from the disk/page cache?

In Ubuntu, I move some file to a USB stick, using mv dir/file /media/7EXXX/swap/. When finishing this, I forget to "safely remove" before physically removing usb stick. Now, the file is not shown in ...
1
vote
1answer
113 views

multiple module loads from /etc/modules without device disconnect

I am flashing a device which enumerates with different product Ids during the flash process. When connected usbserial is correctly added based on my entry in /etc/modules. Once I flash the device, the ...
0
votes
2answers
2k views

Cannot boot from USB disk with “not a COM32R image” error

After installing 11.10 on my Dell Studo 15 (Model 1557) laptop, it started to overheat. Recently it even shutdown twice saying that critical temperature has reached even when I was just idling (not ...
3
votes
3answers
1k views

Kernel panic when booting from USB

I downloaded ubuntu-11.04-desktop-amd64.iso and used Universal-USB-Installer-1.8.6.3.exe to format my USB stick und put the ISO on it. When I tried to install from it, I've got a kernel panic just ...
4
votes
1answer
869 views

Random process hangs after clean install [closed]

After installing fresh Kubuntu 11.04 Natty on my desktop PC, I experienced some issues with application and process hangs. There is also a problem with my USB 3 hard disk. These sort of problems did ...
12
votes
1answer
11k views

Why won't USB 3.0 external hard drive run at USB 3.0 speeds?

I recently purchased a PCI Express x1 USB 3.0 controller card (containing the NEC USB 3.0 controller) with the intent of using a USB 3.0 external hard drive with my Linux box. I installed the card in ...
1
vote
0answers
216 views

`power/persist` file not found in USB device sysfs directory [closed]

The file /usr/share/doc/linux-doc/usb/persist.txt.gz mentions that the USB-persist capability can be enabled for a given USB device by writing 1 to the file persist in that device's directory in ...
3
votes
3answers
982 views

Slow USB transfer

The transfer of files to a usb device has been very slow. On dslreports.com, a guy has found its cause. The problem occurs when you plug a USB 1.1 device at the same USB HUB where you are using the ...
1
vote
2answers
2k views

Usbmon module missing?

I am trying to monitor the USB traffic in Ubuntu 10.0.4. According to many websites, the usbmon is already included in the kernel, but typing modprobe usbmon. It will return "Can't find module". Do I ...
48
votes
9answers
35k views

Does Ubuntu support USB 3.0?

I have a Western Digital My Book 3.0 - 1 TB USB 3.0 Desktop External Hard Drive, and I wanted to know if it would work on Ubuntu 10.10 Maverick Meerkat.
2
votes
1answer
2k views

Unable to enumerate USB device

My syslog is constantly filled with messages like this: Oct 16 11:48:35 my-laptop kernel: [61470.980078] hub 1-0:1.0: unable to enumerate USB device on port 2 Oct 16 11:48:35 my-laptop kernel: ...