Hi Alan!
On Don, 12 Aug 2004, Alan Stern wrote:
> > In all cases, with 2.6.7-mm5 and any later I get the following syslog
> > messages when I plug in the mouse or it is plugged when usb sys is
> > starting:
> > vmunix: drivers/usb/input/hid-core.c: ctrl urb status -2 received
> > vmunix: drivers/usb/input/hid-core.c: timeout initializing reports
> > vmunix:
> > kernel: input: USB HID v1.10 Mouse [0d62:1000] on usb-0000:02:09.0-1
>
> Do you mean with 2.6.7-mm5 and any _earlier_? With kernels after that
Of course, sorry.
> This probably _is_ a consequence of the problem with the mouse. Once
> khubd hangs, no new devices will be recognized.
I tested it now on another computer, same effect. As soon as I plug the
mouse, khubd goes into D state.
> Below is a test patch for you to try. It will provide a lot of extra
> information in you system log, which may help to pin down where the
> problem occurs.
Here it is with some comments:
I think here I plugged in the mouse:
First we have many of these, always the same numbers (c178a360):
vmunix: usb_hcd_giveback_urb: urb=c178a360
vmunix: hcd_submit_urb: urb=c178a360
then something new:
vmunix: usb_hcd_giveback_urb: urb=c1746ae0
vmunix: hcd_submit_urb: urb=c1746ae0
vmunix: hcd_submit_urb: urb=c178b3e0
and again say 10 of the first ones (c178a360):
vmunix: usb_hcd_giveback_urb: urb=c178b3e0
vmunix: hcd_submit_urb: urb=c178b3e0
now it is logged that there is a new device:
vmunix: usb 4-2.4: new low speed USB device using address 5
now a sligth variation (c178b3e0),
vmunix: hcd_submit_urb: urb=c178b3e0
vmunix: usb_hcd_giveback_urb: urb=c178b3e0
vmunix: hcd_submit_urb: urb=c178b3e0
vmunix: usb_hcd_giveback_urb: urb=c178b3e0
vmunix: hcd_submit_urb: urb=c178b3e0
vmunix: usb_hcd_giveback_urb: urb=c178b3e0
vmunix: hcd_submit_urb: urb=c178b3e0
vmunix: usb_hcd_giveback_urb: urb=c178b3e0
vmunix: hcd_submit_urb: urb=c178b3e0
kernel: usb_hcd_giveback_urb: urb=c178b3e0
kernel: hcd_submit_urb: urb=c178b3e0
vmunix: usb_hcd_giveback_urb: urb=c178b3e0
vmunix: drivers/usb/input/hid-core.c: HID probe called for ifnum 0
vmunix: hcd_submit_urb: urb=c178b360
vmunix: usb_hcd_giveback_urb: urb=c178b360
vmunix: hcd_submit_urb: urb=c178b860
vmunix: usb_hcd_giveback_urb: urb=c178b860
vmunix: drivers/usb/input/hid-core.c: submitting ctrl urb=c178b0e0: Get_Report
wValue=0x0100 wIndex=0x0000 wLength=5
vmunix: hcd_submit_urb: urb=c178b0e0
vmunix: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
vmunix: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
here is one of the lines which suprises me: Empty vmunix (sometimes
empty kernel: messages, never seen this before)
vmunix:
vmunix: unlink1: urb=c178b0e0
vmunix: usb_hcd_giveback_urb: urb=c178b0e0
vmunix: drivers/usb/input/hid-core.c: complete ctrl urb=c178b0e0
vmunix:
vmunix: drivers/usb/input/hid-core.c: ctrl urb status -2 received
vmunix: drivers/usb/input/hid-core.c: empty report
vmunix: drivers/usb/input/hid-core.c: submitting ctrl urb=c178b0e0: Get_Report
wValue=0x0300 wIndex=0x0000 wLength=1
vmunix: drivers/usb/input/hid-core.c: usb_submit_urb(ctrl) failed
kernel: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
kernel: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
kernel:
vmunix: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
vmunix: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
vmunix:
vmunix: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
vmunix: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
vmunix:
kernel: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
kernel: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
kernel:
vmunix: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
vmunix: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
vmunix:
vmunix: drivers/usb/input/hid-core.c: timeout waiting for ctrl or out queue to clear
vmunix: drivers/usb/input/hid-core.c: unlink ctrl urb=c178b0e0
vmunix:
Here I unplugged the mouse, but khubd didn't find its way back to
normal.
Hope this helps.
Best wishes
Norbert
-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at> Technische Universit�t Wien
gpg DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094
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