Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753809Ab0G1Hdc (ORCPT ); Wed, 28 Jul 2010 03:33:32 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:39058 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751158Ab0G1Hdb convert rfc822-to-8bit (ORCPT ); Wed, 28 Jul 2010 03:33:31 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=osn3zmWneLGol3ZerboMkFbI0xCMclgjb9GLsbEdMHiBW9NHTGE8pTalS7co93x2rm HW7HShx1FM+KoDppl145zanWhYEJ8982kTczn9nUZb9bD3BdvNf2XSmxMxyZCmL1OYqj kIGyzZUmrEjxinB6sv3KK58lJe8BFjpiVrv/Y= MIME-Version: 1.0 In-Reply-To: References: Date: Wed, 28 Jul 2010 15:33:30 +0800 Message-ID: Subject: Re: BUG: 'Unknown symbol in module' happens after reloading ehci-hcd module From: Ming Lei To: linux-kernel@vger.kernel.org, linux-usb Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 718 Lines: 23 2010/7/28 Ming Lei : > Hi, > > 'Unknown symbol in module' ?happens after the actions below: > > ? ? ? ? rmmod ehci-hcd > ? ? ? ? modprobe ehci-hcd > The issue is caused by returning failure of debugfs_create_dir, and which may be fixed by replacing debugfs_remove with debugfs_remove_recursive in ehci_hcd_cleanup. Why does insmod show 'Unknown symbol in module' when module .init return -ENOENT? The message does make us confused. -- Lei Ming -- 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/