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[84.248.30.195]) by smtp.gmail.com with ESMTPSA id k16sm5199659ljk.64.2020.04.12.04.56.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 12 Apr 2020 04:56:26 -0700 (PDT) Subject: Re: About r8169 regression 5.4 To: Salvatore Bonaccorso , Vincas Dargis Cc: Heiner Kallweit , netdev@vger.kernel.org References: <9e865e39-0406-d5e0-5022-9978ef4ec6ac@gmail.com> <97b0eb30-7ae2-80e2-6961-f52a8bb26b81@gmail.com> <20200215161247.GA179065@eldamar.local> From: Lauri Jakku Message-ID: <673c3c72-001e-a7b8-86a7-35772d719a9c@gmail.com> Date: Sun, 12 Apr 2020 14:56:25 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200215161247.GA179065@eldamar.local> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org I have patch ready for it On 2020-02-15 18:12, Salvatore Bonaccorso wrote: > Hi Vincas, > > On Sat, Feb 15, 2020 at 11:22:01AM +0200, Vincas Dargis wrote: >> 2020-02-14 22:14, Heiner Kallweit rašė: >>> On 14.02.2020 18:21, Vincas Dargis wrote: >>>> Hi, >>>> >>>> I've found similar issue I have myself since 5.4 on mailing list archive [0], for this device: >>>> >>> Thanks for reporting. As you refer to [0], do you use jumbo packets? >> Not sure, I guess not, because "1500"? >> >> $ ip link | fgrep enp >> 2: enp5s0f1: mtu 1500 qdisc pfifo_fast >> state UP mode DEFAULT group default qlen 1000 >> >>> Best of course would be a bisect between 5.3 and 5.4. Can you do this? >>> I have no test hardware with this chip version (RTL8411B). >> Uhm, never done that, I'll have to research how do I "properly" build kernel in "Debian way" first. >> >>> You could also try to revert a7a92cf81589 ("r8169: sync PCIe PHY init with vendor driver 8.047.01") >>> and check whether this fixes your issue. >>> In addition you could test latest 5.5-rc, or linux-next. >> I've tried linux-image-5.5.0-rc5-amd64 (5.5~rc5-1~exp1) package form Debian >> experimental, issue "WARNING: CPU: 6 PID: 0 at net/sched/sch_generic.c:447 >> dev_watchdog+0x248/0x250" still occurs after some time after boot. >> >> I'll try first to rebuild one of the Debian kernels after reverting that >> a7a92cf81589 patch, for starters. > You can generate the a7a92cf81589 revert patch, and then for simple > testing of a patch and build have a look at the Simple patching and > building[1] section of the kernel handbook. > > Hope this helps, > > Regards, > Salvatore > > [1] https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#s4.2.2