Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751460AbaDNCOy (ORCPT ); Sun, 13 Apr 2014 22:14:54 -0400 Received: from netrider.rowland.org ([192.131.102.5]:39990 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750826AbaDNCOw (ORCPT ); Sun, 13 Apr 2014 22:14:52 -0400 Date: Sun, 13 Apr 2014 22:14:51 -0400 (EDT) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Stefani Seibold cc: linux-usb , "linux-kernel@vger.kernel.org" , Greg KH , Subject: Re: Missing USB XHCI and EHCI reset for kexec In-Reply-To: <1397416959.1555.30.camel@vger.seibold.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/