Re: XHCI, "brain-dead scanner", and microframe rounding

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On 22.01.2015 21:39, Gunter Königsmann wrote:
> Seems like this time we are nearly there:
>  - the scanner appears in lsusb
>    Bus 001 Device 005: ID 04f2:b33c Chicony Electronics Co., Ltd
>    Bus 001 Device 006: ID 0489:e056 Foxconn / Hon Hai
>    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate
> Matching Hub
>    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>    Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>    Bus 002 Device 002: ID 04f3:0011 Elan Microelectronics Corp.
>    Bus 002 Device 003: ID 04b8:0133 Seiko Epson Corp. GT-1500 [GT-D1000]
>    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>  - The scanner is detected by sane-find-scanner
>  - I can select it in xSane
>  - but then the xSane window no more reacts for about a minute and
> then I get the message: "Failed to open device
> 'epgowa:interpreter:002:003': Error during device I/O.
> 
> Kind regards,
> 

I think something went wrong when cloning the tree/branch, it shows old debug output like:
"Endpoint 0x81 not halted, refusing to reset."

Which shouldn't exists anymore.
Are you sure you tried the ep_reset_halt_test branch?

git log should look like this:
https://git.kernel.org/cgit/linux/kernel/git/mnyman/xhci.git/log/?h=ep_reset_halt_test

-Mathias
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