From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49715C4338F for ; Sun, 8 Aug 2021 15:23:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 197B260FC1 for ; Sun, 8 Aug 2021 15:23:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231901AbhHHPXl (ORCPT ); Sun, 8 Aug 2021 11:23:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:50056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229923AbhHHPXk (ORCPT ); Sun, 8 Aug 2021 11:23:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4BE1160FC1; Sun, 8 Aug 2021 15:23:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628436201; bh=POEh85Mz0Mfu6he0iLlEtoaIKTEF+bxOsK4xezH/h0o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=joSUfyFAOhTkGVbKYPLec+9Igb5jjsbVS+pj82uIEfS98Co0wOOAOi4QQzOjRze2y s22VPj13XxWjqKXGhzjSVIcqM6SuRQJ8GqcuwrcA726Qf5pRgRWtyGAACHNI93cdf4 KpIldxzFknt/iYYPj2TZrsxWY3Ou+VgJlJFMqj/Fu6+vzm42PcBZ8xzcPGndIilB3P TuwDgD3Xc6+ZLKLHi1OD+P8AyBi69rnXTzxWhFSO1UQwJWtYailNlVUSlEQbhQ+lHp piKUAYyvQpXUQggfBW6axpMjcmMIQN26MrJOluijvJu9oB2XjIxWGEm0YVxuBc4EY6 NWLYhELBDMkNg== Received: by pali.im (Postfix) id DF35A13DC; Sun, 8 Aug 2021 17:23:18 +0200 (CEST) Date: Sun, 8 Aug 2021 17:23:18 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Martin Zaharinov Cc: Greg KH , netdev , Eric Dumazet Subject: Re: Urgent Bug report: PPPoE ioctl(PPPIOCCONNECT): Transport endpoint is not connected Message-ID: <20210808152318.6nbbaj3bp6tpznel@pali> References: <7EE80F78-6107-4C6E-B61D-01752D44155F@gmail.com> <08EC1CDD-21C4-41AB-B6A8-1CC2D40F5C05@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <08EC1CDD-21C4-41AB-B6A8-1CC2D40F5C05@gmail.com> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello! On Sunday 08 August 2021 18:14:09 Martin Zaharinov wrote: > Add Pali Rohár, > > If have any idea . > > Martin > > > On 6 Aug 2021, at 7:40, Greg KH wrote: > > > > On Thu, Aug 05, 2021 at 11:53:50PM +0300, Martin Zaharinov wrote: > >> Hi Net dev team > >> > >> > >> Please check this error : > >> Last time I write for this problem : https://www.spinics.net/lists/netdev/msg707513.html > >> > >> But not find any solution. > >> > >> Config of server is : Bonding port channel (LACP) > Accel PPP server > Huawei switch. > >> > >> Server is work fine users is down/up 500+ users . > >> But in one moment server make spike and affect other vlans in same server . When this error started to happen? After kernel upgrade? After pppd upgrade? Or after system upgrade? Or when more users started to connecting? > >> And in accel I see many row with this error. > >> > >> Is there options to find and fix this bug. > >> > >> With accel team I discus this problem and they claim it is kernel bug and need to find solution with Kernel dev team. > >> > >> > >> [2021-08-05 13:52:05.294] vlan912: 24b205903d09718e: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:05.298] vlan912: 24b205903d097162: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:05.626] vlan641: 24b205903d09711b: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:11.000] vlan912: 24b205903d097105: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:17.852] vlan912: 24b205903d0971ae: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:21.113] vlan641: 24b205903d09715b: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:27.963] vlan912: 24b205903d09718d: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:30.249] vlan496: 24b205903d097184: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:30.992] vlan420: 24b205903d09718a: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:33.937] vlan640: 24b205903d0971cd: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:40.032] vlan912: 24b205903d097182: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:40.420] vlan912: 24b205903d0971d5: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:42.799] vlan912: 24b205903d09713a: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:42.799] vlan614: 24b205903d0971e5: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:43.102] vlan912: 24b205903d097190: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:43.850] vlan479: 24b205903d097153: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:43.850] vlan479: 24b205903d097141: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:43.852] vlan912: 24b205903d097198: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:43.977] vlan637: 24b205903d097148: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > >> [2021-08-05 13:52:44.528] vlan637: 24b205903d0971c3: ioctl(PPPIOCCONNECT): Transport endpoint is not connected > > > > These are userspace error messages, not kernel messages. > > > > What kernel version are you using? Yes, we need to know, what kernel version are you using. > > thanks, > > > > greg k-h > And also another question, what version of pppd daemon are you using? Also, are you able to dump state of ppp channels and ppp units? It is needed to know to which tty device, file descriptor (or socket extension) is (or should be) particular ppp channel bounded.