On Wed, 24 Mar 2004, Sean Neakums wrote:
> With only this patch applied, gphoto2 operates correctly, lsusb no
> longer lists the camera after disconnection, and I see only a single
> suspend_hc message after disconnection.
I still don't know just what driver or program was causing the problem.
You can help out by trying this one-line patch. It goes on top of the
patch from yesterday. What it does is print a warning message together
with a stack dump into the system log whenever a USB device is
disconnected or a configuration is removed.
Try running gphoto2 and then disconnecting (or turning off) your scanner,
and send the dmesg output you get. With a little bit of luck, it will
identify the culprit.
Alan Stern
--- 2.6/drivers/usb/core/message.c.orig Thu Mar 25 09:51:01 2004
+++ 2.6/drivers/usb/core/message.c Thu Mar 25 09:50:59 2004
@@ -794,6 +794,7 @@
static void release_interface(struct device *dev)
{
+WARN_ON(1);
}
/*
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