Usb hub mounting

[rbutler480]

Hi
Been trying to find out the mount point for an external usb hub. I can find information with lsusb :
Bus 001 Device 002: ID 05e3:0608
and dmesg:
[0.924293] hub 1-0:1.0: 4 ports detected
But can't seem to find where the hub is mounted. I've tried / dev and /etc/fstab and mtab and /media.
Could someone please tell me? BTW what does [0.924293] signify? Thanks

[scathefire]

its a USB hub, you wouldn't find it in any of those places anyways. that's like trying to find where your video card is mounted. are you just trying to see if works? plug something into it.

[Rubberman]

The lsusb command can show you the hubs connected to your system, but you won't necessarily see any entries in /dev until you plug something into it, and what that entry may be will be dependent upon the type of device you are plugging in.

[rbutler480]

It's a usb hub plugged into a pci usb port. It doesn't connect at high speed unless I reboot the system so I'm trying to see what changes after the 2nd boot. I'd don't know if the kernel gives it different drivers or what. thought I'd do an udevadm -- attribute--walk but need the path...
thanks

Ah yes I know I know not what I do, hope to learn by flailing around tho

[Rubberman]

It's a usb hub plugged into a pci usb port. It doesn't connect at high speed unless I reboot the system so I'm trying to see what changes after the 2nd boot. I'd don't know if the kernel gives it different drivers or what. thought I'd do an udevadm -- attribute--walk but need the path...
thanks

Ah yes I know I know not what I do, hope to learn by flailing around tho

Random keystrokes sometimes leads to unexpectedly desirable consequence - but more often total disaster!

Anyway, a USB 2.0 hub plugged into a USB 2.0 port should be high speed automatically. If it isn't then there is something wonky (technical term) going on. Anyway, try both before and after rebooting with the command lsusb -v to see what the driver thinks (after plugging in the hub). There should not be any difference, but if there is, post the results of both here for our feedback.

[rbutler480]

Hi thanks
This will sound weird but the external usb 2.0 hub is not recognized when I first boot. For some reason if I do a few lsusb's and dmesg's THEN it is seen by lsusb and returns:
Bus 004 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
That's why I was hoping I could mount it with fstab, but as you pointed out it isn't a mounted device.
Can (or rather must) I do this in udev?

[rbutler480]

Hi thanks
This will sound weird but the external usb 2.0 hub is not recognized when I first boot. For some reason if I do a few lsusb's and dmesg's THEN it is seen by lsusb and returns:

Bus 004 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB

But then it isn't running at high speed as per:

roger@roger-desktop:~$ dmesg | grep hub
[ 0.066909] usbcore: registered new interface driver hub
[ 0.940259] hub 1-0:1.0: USB hub found
[ 0.940285] hub 1-0:1.0: 4 ports detected
[ 0.998187] hub 2-0:1.0: USB hub found
[ 0.998210] hub 2-0:1.0: 3 ports detected
[ 1.054206] hub 3-0:1.0: USB hub found
[ 1.054250] hub 3-0:1.0: 3 ports detected
[ 1.055127] hub 4-0:1.0: USB hub found
[ 1.055150] hub 4-0:1.0: 2 ports detected
[ 1.055555] hub 5-0:1.0: USB hub found
[ 1.055575] hub 5-0:1.0: 2 ports detected
[ 227.209821] usb 4-1: not running at top speed; connect to a high speed hub
[ 227.238553] hub 4-1:1.0: USB hub found
[ 227.251566] hub 4-1:1.0: 4 ports detected
[ 227.639679] usb 4-1.1: not running at top speed; connect to a high speed hub
[ 227.853599] usb 4-1.2: not running at top speed; connect to a high speed hub

That's why I was hoping I could mount it with fstab, but as you pointed out it isn't a mounted device.
Can (or rather must) I do this in udev?

[Rubberman]

The system doesn't recognize new USB devices right away. It can take from a couple of seconds to as much as a minute. Also, since it seems to think the external hub is connected to a slow port, try plugging it into another one. You also should check your bios to be sure that you haven't accidentally configured the USB hardware to only support v1.0 or 1.1 which are the old, slow (11mbps) USB speeds. If not, then possibly there is a fault in one of the USB hubs on the system board.

[rbutler480]

Hello again, not trying to beat a dead horse, but left the box running with the hub connected at the slow speed ( at slow speed it blinks between my printer and Ex HD so I can tell). After reading your message I did a re-boot, no blinking and the output of dmesg now reads:

oger@roger-desktop:~$ dmesg | grep hub
[ 0.067531] usbcore: registered new interface driver hub
[ 0.940267] hub 1-0:1.0: USB hub found
[ 0.940293] hub 1-0:1.0: 4 ports detected
[ 0.998183] hub 2-0:1.0: USB hub found
[ 0.998206] hub 2-0:1.0: 3 ports detected
[ 1.054204] hub 3-0:1.0: USB hub found
[ 1.054249] hub 3-0:1.0: 3 ports detected
[ 1.055126] hub 4-0:1.0: USB hub found
[ 1.055148] hub 4-0:1.0: 2 ports detected
[ 1.055554] hub 5-0:1.0: USB hub found
[ 1.055574] hub 5-0:1.0: 2 ports detected
[ 1.452257] hub 1-1:1.0: USB hub found
[ 1.460079] hub 1-1:1.0: 4 ports detected
so to me it looks like it is running at high speed after a re-boot for an unknown reason. I suppose I can live with this, but am really curious as to what's happening. I'll try the other port next time the box is down for a while. (If iI turn it off and on within a half hour or so it recognizes the hub and my X HD, go figure). Thanks for your help, maybe this won't happen in the next release

[Rubberman]

You say that you had a printer plugged into the hub? Or in the port adjacent to the one you plugged the hub into? If the printer is a USB 1.x device (slow speed), then it is possible that it will limit other devices on the hub to slow speeds as well. It's not uncommon for USB printers to use the older/slower standard since they can't deal with data any faster than that anyway, and the manufacturing costs are less. Printer manufacturers often opt for the lower cost ports since the more expensive USB 2.0 parts are not needed.