Return-path: Received: from mail-oi0-f45.google.com ([209.85.218.45]:35929 "EHLO mail-oi0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750876AbbEPRyW (ORCPT ); Sat, 16 May 2015 13:54:22 -0400 Received: by oift201 with SMTP id t201so103832278oif.3 for ; Sat, 16 May 2015 10:54:22 -0700 (PDT) Message-ID: <5557844B.4040108@lwfinger.net> (sfid-20150516_195430_917946_FD9C85E2) Date: Sat, 16 May 2015 12:54:19 -0500 From: Larry Finger MIME-Version: 1.0 To: Haggai Eran CC: Florian Schilhabel , linux-wireless@vger.kernel.org Subject: Re: kernel page fault in r8712u References: <55575AC8.2060301@lwfinger.net> In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 05/16/2015 12:16 PM, Haggai Eran wrote: > On 16 May 2015 at 17:57, Larry Finger wrote: >> The problem appears to be from r8712u. From the stack dump, the problem >> happens when r8712_free_recvframe() calls __dev_kfree_skb_any(). A >> complication is that my copy of the kernel source does not show such a call. >> :( >> >> Please use gdb to help with the debugging. From the main directory of your >> source, enter the command 'gdb drivers/staging/rtl8712/r8712u.ko'. Once it >> prompts you, enter 'l *r8712_free_recvframe+0x2c'. The first character is >> ell, not one. That will show the actual line of code. Please post that info. Another location needed from gdb is "l *recv_func+0x8c". Thanks, Larry