On Sat, 11 Feb 2006, John Gruenenfelder wrote:

> Thanks for following up on this.
> 
> I downloaded kernel 2.6.16-rc2 and applied the fix you pointed to.
> Unfortunately, it does not seem to have helped.  The machine behaves the same
> as it does under 2.6.15, though the number of USB debug messages seems to have
> increased.  The errors from the external HD (usb 1-3) look the same.
> 
> I have attached a portion of the dmesg output pertaining to the USB problem.
> The first part is initialization and the problem with device 1-3.  The latter
> part of the log is where the other USB devices are successfully detected and
> enabled.  I have included this for completeness.

I can't remember whether I already asked you to try the change below.  If 
you haven't, it's worth a shot.  (Keep the patch you just tried, by the 
way.)

If it doesn't help, there's a bug report vaguely similar to yours here:

http://bugzilla.kernel.org/show_bug.cgi?id=5777

In that report, it turned out that things worked okay with one .config 
file but not with another.  Maybe you can try duplicating that on your 
system with 2.6.16-rc2 and see if you get the same kind of results.

Alan Stern


Index: linux-2.6.16-rc2/drivers/usb/core/hub.c
===================================================================
--- linux-2.6.16-rc2.orig/drivers/usb/core/hub.c
+++ linux-2.6.16-rc2/drivers/usb/core/hub.c
@@ -1520,7 +1520,7 @@ static int hub_port_reset(struct usb_hub
                switch (status) {
                case 0:
                        /* TRSTRCY = 10 ms; plus some extra */
-                       msleep(10 + 40);
+                       msleep(10 + 150);
                        /* FALL THROUGH */
                case -ENOTCONN:
                case -ENODEV:



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