Re: xhci_hcd ERROR no room on ep ring, xhci_hcd WARN Event TRB for slot 1 ep 4 with no TDs queued?

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Hello Sarah,

These were off, just the length3 patch, and some stuff under kernel hacking.
But i find it strange to get so much output, since it should quite fast stop from it self due to the return -ESHUTDOWN; shouldn't it ?

--
Sander

Tuesday, August 10, 2010, 10:36:03 PM, you wrote:

> On Tue, Aug 10, 2010 at 10:21:10PM +0200, Sander Eikelenboom wrote:
>> Hi Sarah,
>> 
>> Just triend on 2.6.35 final + isoc patches and debugfs and some debug options (kmemleak spinlock, dma-api) on.

> Which debug options did you have turned on?  If it was CONFIG_USB_DEBUG
> and CONFIG_USB_XHCI_HCD_DEBUGGING, then you're going to have a lot of
> output.  You should be able to turn off CONFIG_USB_XHCI_HCD_DEBUGGING.

>> On baremetal, so without xen interfering.
>> But it seems to be even worse than with Xen ... The console gets completely flooded with the
>> 
>> 
>> Aug 10 22:01:01 localhost kernel: [  322.691778] xhci_hcd 0000:04:00.0: @206c60e0 2082c7b4 00000000 00040b4c 80001424
>> Aug 10 22:01:01 localhost kernel: [  322.691778] xhci_hcd 0000:04:00.0: @206c60f0 20840000 00000000 00040b4c 80001424
>> Aug 10 22:01:01 localhost kernel: [  322.691778] xhci_hcd 0000:04:00.0: @206c6100 20840b4c 00000000 00040b4c 80001424
>> Aug 10 22:01:01 localhost kernel: [  322.691778] xhci_hcd 0000:04:00.0: @206c6110 20841698 00000000 00040b4c 80001424
>> Aug 10 22:01:01 localhost kernel: [  322.691778] xhci_hcd 0000:04:00.0: @206c6120 208421e4 00000000 00040b4c 80001424
>> Aug 10 22:01:01 localhost kernel: [  322.691778] xhci_hcd 0000:04:00.0: @206c6130 20842d30 00000000 00040b4c 80001424
>> 
>> And i had a hard time stopping ffmpeg from grabbing.

> What do you mean by "hard time"?  Like the program wouldn't quit, or the
> system was not responsive because of the excess debug messages, or ?

> Sarah Sharp



-- 
Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx

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