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[2003:ea:8be1:dd00:4dd:30d8:6638:a820]) by smtp.googlemail.com with ESMTPSA id a8sm27801516wmf.33.2019.04.04.12.41.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 Apr 2019 12:41:42 -0700 (PDT) Subject: Re: r8169 driver from kernel 5.0 crashing - napi_consume_skb To: VDR User Cc: netdev@vger.kernel.org References: <0704f164-aa0a-bcae-a886-a7fc4a4cd52f@gmail.com> <8f910b1339a741cdc780f3948c11a082a8a51b9e.camel@linux.intel.com> <5870baca-9d1b-b75f-6406-4ba0cee1dbe8@gmail.com> From: Heiner Kallweit Message-ID: <939eb5de-de7e-86ba-d1d9-fac7faa14f2c@gmail.com> Date: Thu, 4 Apr 2019 21:41:38 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 04.04.2019 16:28, VDR User wrote: > Hi, > > Unfortunately I have to report that the crashing has resurfaced. I'm > currently using kernel 5.0 with Heiner's fix applied. In the last few > days I've had the crash occur 4 times now. I'm not sure how to further > investigate this but I'm guessing a patch that adds more debugging > output will be needed to track down where exactly things go bad and > hopefully what exactly is triggering it? In 2 cases there was > bi-directional traffic, in the other 2 cases there was only incoming > traffic. In all cases the nic became unresponsive, all connections to > the box died/timed out. After roughly 10 minutes the nic came back to > life on its own without my intervention. The odd thing I noticed was > the dmesg log showing the problem only shows up once in dmesg instead > of 4 times to coincide with the 4 crashes/freezes. I don't think the > box reboot itself, and if it did then dmesg should be clean. > > Please let me know what you think and how we should proceed. Thanks! > Derek > Instead of having to wait for the issue: Can you trigger it with iperf3 in either direction?