My usb device works for a while then quits.

My usb device works for a while then quits.

[Sean McMahon]

I have an alva connected bia usb to my computer but after a few minutes of
activity, it quits.  Root can access the device but a normal user can't.
Someone suggested I mount the usb devfs as read/write.  The question is where is
hotplug/libusb mounting the usb system and what is the best way to re-mount it?
System info:
Debian unstable running on a toshiba laptop with one usb port.  /proc/bus/usb
system is supported by the kernel as a module.  The kernel is a custome 2.4.27
with usb suported as a module.  Discover and hotplug as well as libusb are
installed.  I'm not sure what other information I should give you.
Thanks

Re: My usb device works for a while then quits.

[David Csercsics]

You wrote:
>I have an alva connected bia usb to my computer but after a few minutes of
>activity, it quits.  Root can access the device but a normal user can't.
>Someone suggested I mount the usb devfs as read/write.  The question is where is
>hotplug/libusb mounting the usb system and what is the best way to re-mount it?
try fixing the usbfs line in fstab like this:

usbdevfs /proc/bus/usb usbdevfs mode=666,defaults 0 0
That will force the file system to be mounted with read/write access for everybody.

Re: My usb device works for a while then quits.

[Sean McMahon]

I'm thinking I issued the mount command for usbdevfs wrong.  /proc/bus/usb shows
r-xr-xr-x.  There are no write permissions for even root on
/proc/bus/usb/devices or /proc/bus/usb/drivers.  However, root can activate the
usb device when brltty starts yet my normal user can't.  If I plug in the usb
device as my normal user, I get the messages relating to connection with
vendor/serial number information etc.
----- Original Message ----- 
From: "David Csercsics" <david@really.isa-geek.net>
To: "Speakup is a screen review system for Linux." <speakup@braille.uwo.ca>
Sent: Wednesday, March 16, 2005 4:57 PM
Subject: Re: My usb device works for a while then quits.


> You wrote:
> >I have an alva connected bia usb to my computer but after a few minutes of
> >activity, it quits.  Root can access the device but a normal user can't.
> >Someone suggested I mount the usb devfs as read/write.  The question is where
is
> >hotplug/libusb mounting the usb system and what is the best way to re-mount
it?
> try fixing the usbfs line in fstab like this:
>
> usbdevfs /proc/bus/usb usbdevfs mode=666,defaults 0 0
> That will force the file system to be mounted with read/write access for
everybody.
>
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup