Re: usbhid control queue full, due to stuck control request

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On Mon, Feb 08, 2010 at 08:35:08PM -0600, David Fries wrote:
> On Mon, Feb 08, 2010 at 12:56:01PM +0100, Oliver Neukum wrote:
> > Am Samstag, 6. Februar 2010 18:20:52 schrieb David Fries:
> > > that it takes the control queue to fill up and trigger my routine.  The
> > > usb monitor doesn't say why the control request doesn't complete, just
> > > that it was submitted and didn't complete.
> > it seems we need to implement a timeout. Does this patch help?
> > Comments?

Your patch, 7b10f302c6caa940ea5ad67efb8a517923abfcc7 and my patch
4bf8e5d6d42891a6d01fee1b8f3bb674d8364843, (and some verbose output),
and usbhid gracefully recovered this afternoon.  Thanks, works for me.

My additional print messages,
Feb 10 12:53:31 SubSpace kernel: usbhid control queue 1 max 256
Feb 10 12:53:32 SubSpace kernel: usbhid urbctrl timeout -10020, unlink_urb
Feb 10 12:53:32 SubSpace kernel: usbhid -ECONNRESET
Feb 10 12:53:32 SubSpace kernel: usbhid control queue 0 max 256

usbmon dump, -104 was the -ECONNRESET unlink.
Wed Feb 10 12:53:01 CST 2010
c2fede40 161671434 S Ci:1:002:0 s a1 01 0326 0000 0004 8 <
c2fede40 161747009 C Ci:1:002:0 0 4 = 26343130
c2fede40 161847590 S Ci:1:002:0 s a1 01 0314 0000 0003 8 <
c2fede40 161848982 C Ci:1:002:0 0 3 = 140000
c2fede40 161908315 S Ci:1:002:0 s a1 01 0314 0000 0003 8 <
c2fede40 171928585 C Ci:1:002:0 -104 3 = 140000
c2fede40 171928605 S Ci:1:002:0 s a1 01 0306 0000 0004 8 <
c2fede40 171930579 C Ci:1:002:0 0 4 = 06000008
c2fede40 171968852 S Ci:1:002:0 s a1 01 030c 0000 0006 8 <
c2fede40 171970572 C Ci:1:002:0 0 6 = 0c640000 3f00
c2fede40 171989721 S Ci:1:002:0 s a1 01 030c 0000 0006 8 <
c2fede40 171991562 C Ci:1:002:0 0 6 = 0c640000 3f00
Wed Feb 10 12:54:01 CST 2010

-- 
David Fries <david@xxxxxxxxx>
http://fries.net/~david/ (PGP encryption key available)
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