lkml.org 
[lkml]   [2006]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-usb-devel] Problems with USB setup with Linux 2.6.16
On Sun, 2 Apr 2006, Joshua Kwan wrote:

> On 04/02/2006 07:09 PM, Alan Stern wrote:
> > If you were to continue looking farther down in the log, you would find
> > that ehci-hcd sees all those devices. Those that can run at high speed
> > continue using the EHCI controller. For those that can't, the switch is
> > reset and they get reconnected to their UHCI controller.
>
> That makes sense - that is indeed what happens when it DOES work (i.e.
> with 2.6.15), but the fact is that they don't come back in 2.6.16. I
> will try building ehci-hcd in and see what happens.

If the devices don't come back, it's an indication that some driver has
hung. A stack trace (Alt-SysRq-T) should help identify which driver is in
trouble.

Alan Stern

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-04-03 16:38    [W:0.064 / U:1.700 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site