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List:       gphoto-devel
Subject:    Re: [gphoto-devel] Strange USB behavior
From:       Mariusz Woloszyn <emsi () ipartners ! pl>
Date:       2001-11-28 18:23:23
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On Wed, 28 Nov 2001, Johannes Erdfelt wrote:

> > Today (after few days of work) I repluged (turned it on back) my camera
> > and instead normal behavior I found following in dmesg:
> > 
> > uhci.c: root-hub INT complete: port1: 82 port2: 80 data: 2
> > hub.c: port 1 connection change
> > hub.c: port 1, portstatus 100, change 1, 12 Mb/s
> > uhci.c: root-hub INT complete: port1: 83 port2: 80 data: 2
> > hub.c: port 1 connection change
> > hub.c: port 1, portstatus 101, change 1, 12 Mb/s
> > hub.c: port 1, portstatus 103, change 0, 12 Mb/s
> > hub.c: USB new device connect on bus1/1, assigned device number 10
> > usb_control/bulk_msg: timeout
> > usb.c: USB device not accepting new address=10 (error=-110)
> > hub.c: port 1, portstatus 103, change 0, 12 Mb/s
> > hub.c: USB new device connect on bus1/1, assigned device number 11
> > 
> > Seems like kernel problem with communication with device.
> > Has ayone expirienced anything similar?
> > Unfortunately I compiled USB support not as kernel module, so only reset
> > can help :/ 
> 
> Can you give the appropriate lines from lspci for the UHCI Controller?
> 
00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
(prog-if 00 [UHCI])
        Flags: bus master, medium devsel, latency 32, IRQ 11
        I/O ports at dce0 [size=32]


> Does unplugging and replugging work?
> 
nope

> Did the device work at all or do you always get the timeout? If you
> always get the timeout, can you give me the output from
> /proc/interrupts?
> 
It worked before, but I figured what was the problem.
I'm working on dell laptop, which did some kind of suspend (even though I
turned all kinds of suspend off). Seems it just had to be reinitialized.

--
Mariusz Wołoszyn
Internet Security Specialist, Internet Partners

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