On Wed, 1 Aug 2007, Alan Stern wrote:
Okay, good work. Thanks to your careful experiments, plus the hints
from Oliver and Tejun, I figured out the problem. In short, the
attribute files were registered on the control interface but the driver
tried to delete them from the data interface.
Am Donnerstag 02 August 2007 schrieb Alan Stern:
On Wed, 1 Aug 2007, Alan Stern wrote:
Okay, good work. Thanks to your careful experiments, plus the hints
from Oliver and Tejun, I figured out the problem. In short, the
attribute files were registered on the control interface but the
On Thu, 2 Aug 2007 10:42:14 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
And here it is. You can remove the earlier diagnostic patches; this
one by itself should fix everything.
This solves the problem. I can load and unload the modules
without any error.
Thanks to all for your
On Tue, 31 Jul 2007, A. Kalten wrote:
The kernel 2.6.22 was patched and recompiled.
It shouldn't make a difference but the problem occurs
only if I load the modules _before_ plugging in the external
modem. If I load the modules _after_ plugging in the modem,
the problem disappears. (At
On Wed, 1 Aug 2007 11:55:25 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
This shouldn't make any difference. Your later message was
self-contradictory; you wrote that the oops occurred only if the
modules were loaded before the modem was plugged in, and that it also
occurred if the
On Wed, 1 Aug 2007, A. Kalten wrote:
On Wed, 1 Aug 2007 11:55:25 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
This shouldn't make any difference. Your later message was
self-contradictory; you wrote that the oops occurred only if the
modules were loaded before the modem was
On Wed, 1 Aug 2007 17:19:34 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
There's some useful information here but still not enough. I've got a
third patch for you to add in; hopefully we are zeroing in on the
correct spot. For this test you don't have to run the non-oopsing
scenarios.
On Wed, 1 Aug 2007, A. Kalten wrote:
The patch was applied (along with the previous two patches) and
2.6.22 was recompiled. Then after a reboot, I performed the same
sequence to generate the oops:
modprobe uhci-hcd
modprobe cdc-acm
mount -t usbfs none /proc/bus/usb
Plug in external
On Mon, 30 Jul 2007, A. Kalten wrote:
On Mon, 30 Jul 2007 18:09:23 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
Does this patch help?
http://article.gmane.org/gmane.linux.kernel/556682/raw
I cannot apply that patch to the 2.6.22 source:
[linux-2.6.22]# patch -p1
On Tue, 31 Jul 2007 10:22:42 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
That patch
is meant for 2.6.23-rc1. Can you try running 2.6.23-rc1 plus the patch
and see if together they fix the problem?
The patch is already applied to 2.6.23-rc1.
But after compiling 2.6.23-rc1 and
On Tue, 31 Jul 2007, A. Kalten wrote:
On Tue, 31 Jul 2007 13:00:38 -0400
A. Kalten [EMAIL PROTECTED] wrote:
But after compiling 2.6.23-rc1 and undergoing the same steps
with the usb modem as before, the problem remains. The only
difference is that the command rmmod uhci-hcd now
On Tue, 31 Jul 2007 13:00:38 -0400
A. Kalten [EMAIL PROTECTED] wrote:
But after compiling 2.6.23-rc1 and undergoing the same steps
with the usb modem as before, the problem remains. The only
difference is that the command rmmod uhci-hcd now reports
the message Killed instead of Device busy.
On Tue, 31 Jul 2007 13:35:54 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
Hmmm. So if you stop before the modprobe cdc-acm step there's no
trouble with rmmod uhcd-hcd. What about if you do load cdc-acm but
don't run the fax program?
Here are some variations.
I plug in the external
Am Dienstag 31 Juli 2007 schrieb A. Kalten:
On Tue, 31 Jul 2007 13:00:38 -0400
A. Kalten [EMAIL PROTECTED] wrote:
But after compiling 2.6.23-rc1 and undergoing the same steps
with the usb modem as before, the problem remains. The only
difference is that the command rmmod uhci-hcd now
On Tue, 31 Jul 2007, Oliver Neukum wrote:
Am Dienstag 31 Juli 2007 schrieb A. Kalten:
On Tue, 31 Jul 2007 13:00:38 -0400
A. Kalten [EMAIL PROTECTED] wrote:
But after compiling 2.6.23-rc1 and undergoing the same steps
with the usb modem as before, the problem remains. The only
On Tue, 31 Jul 2007 16:27:51 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
Here's a diagnotic patch to try under 2.6.22. It should add some
interesting information to the kernel log, starting from the point
where the modem gets plugged in.
The kernel 2.6.22 was patched and recompiled.
On Tue, 31 Jul 2007 16:27:51 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
Here's a diagnotic patch to try under 2.6.22. It should add some
interesting information to the kernel log, starting from the point
where the modem gets plugged in.
The error occurs only if the modules are
Am Dienstag 31 Juli 2007 schrieb Alan Stern:
For whatever it's worth.I should point out that this problem
only occurs when using the USB Abstract Control Model driver
for USB modems (i.e. the cdc_acm module). When using my
USB scanner or USB printer I can unload the uhci-hcd module
A. Kalten wrote:
[ added usb peoples to CC ]
Hello,
To send a fax using an external usb modem, I do the following:
modprobe uhci-hcd
modprobe cdc-acm
mount -t usbfs none /proc/bus/usb
Then I send the fax.
However, when I attempt to unload the modules by reversing
the above steps,
On Mon, 30 Jul 2007, Gabriel C wrote:
A. Kalten wrote:
[ added usb peoples to CC ]
Hello,
To send a fax using an external usb modem, I do the following:
modprobe uhci-hcd
modprobe cdc-acm
mount -t usbfs none /proc/bus/usb
Then I send the fax.
However, when I attempt to
On Mon, 30 Jul 2007 18:09:23 -0400 (EDT)
Alan Stern [EMAIL PROTECTED] wrote:
On Mon, 30 Jul 2007, Gabriel C wrote:
A. Kalten wrote:
[ added usb peoples to CC ]
Hello,
To send a fax using an external usb modem, I do the following:
modprobe uhci-hcd
modprobe cdc-acm
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