From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dongpo Li Subject: Re: net: hix5hd2_gmac uninitialized net_device Date: Mon, 13 Feb 2017 09:25:38 +0800 Message-ID: <58A10B12.8050400@hisilicon.com> References: <20170210074118.vchxsn7fag6tlsmg@tha-monstah.mydomain> <20170210074544.eoabpjf522pmwoui@tha-monstah.mydomain> <589D942F.7070700@hisilicon.com> <20170211005132.xdk2d7etb732scqo@tha-monstah.mydomain> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Cc: , , To: Marty Plummer Return-path: Received: from szxga03-in.huawei.com ([119.145.14.66]:64074 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751193AbdBMBZt (ORCPT ); Sun, 12 Feb 2017 20:25:49 -0500 In-Reply-To: <20170211005132.xdk2d7etb732scqo@tha-monstah.mydomain> Sender: netdev-owner@vger.kernel.org List-ID: On 2017/2/11 8:51, Marty Plummer wrote: > On Fri, Feb 10, 2017 at 06:21:35PM +0800, Dongpo Li wrote: >> I think the error "No irq resource" happened for some other reason, has no relation with >> the info "(unnamed net_device) (uninitialized):". >> You can add more debug info to find bug. > Do you have any particular suggestions as to what to check out, or is > this just a general 'debug more' instruction? I haven't encountered such a problem. So it needs you to debug what happens. >> Yes, I agree with you that the ndev has not been initialized completely, >> because the function "register_netdev" has not been called yet. >> It's better to use the "dev_err" to replace the "netdev_err". >> > Ah, I see. So, prior to line 1266's call to register_netdev, it will > always be uninitialized and unnamed, regardless of what is or isn't > right elsewhere. Good to know. So, I could replace these netdev_err > with dev_err for now, up until that point, so I can get a bit more info, > yes? Yes. Regards, Dongpo .