Re: Testing for hardware bug in EHCI controllers

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On Mon, 4 Mar 2013, [ISO-8859-1] Frank Sch�r wrote:

> Here is the result of your test procedure (fix applied, running kernel
> 3.9-rc1) for the following device:
> 
> 00:02.1 USB controller [0c03]: NVIDIA Corporation MCP61 USB 2.0
> Controller [10de:03f2] (rev a2) (prog-if 20 [EHCI])
>         Subsystem: ASUSTeK Computer Inc. Device [1043:8234]

> => dmesg output:
> [  207.965961] ehci-pci 0000:00:02.1: EHCI hardware bug detected:
> 80008d00 00008d00
> [  208.020904] ehci-pci 0000:00:02.1: EHCI hardware bug detected:
> 82008d80 00008d00
> [  208.198698] ehci-pci 0000:00:02.1: EHCI hardware bug detected:
> 80008d00 00009d00
> [  208.201699] ehci-pci 0000:00:02.1: EHCI hardware bug detected:
> 82008d80 00009d00

So NVIDIA hardware has the same bug as Intel.  That's good to know; I 
was starting to think no other vendors would be affected.  Thanks.

Alan Stern

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