Re: Missing USB XHCI and EHCI reset for kexec

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On Sun, 13 Apr 2014, Stefani Seibold wrote:

> When executing a kexec kernel on a PowerPC board the new started kernel
> will not find already enumerated USB devices due a missing reset on the
> USB bus.

How do you know the problem is caused by a missing reset?

Can you post the dmesg log from the kexec-ed kernel, with 
CONFIG_USB_DEBUG enabled?

Alan Stern

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