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Tue, 18 May 2021 09:16:19 +0000 Received: from webmail.kmu-office.ch (unknown [IPv6:2a02:418:6a02::a3]) by mail.kmu-office.ch (Postfix) with ESMTPSA id F18B85C2054; Tue, 18 May 2021 11:16:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1621329372; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=V1Ul7qf1y7P5nBpTkuAKUdnsOAzPeHXA+hPmd6X9o6o=; b=reYlbQwn1UkXQrmW/L9KWxT6sZ/MpRsai83MRPPcCJOXbUtgX6DdzU+b4BHrhIs+csJhhw n/eXejcE5BxLvlmTbfQz/XMVMCTZ98M6n1ybNul3eYa1eqjjrL6ZixErQnvvMGEz15SnxG r5vraDl1O9MOROeZzUS79ZS/xfNNsNU= MIME-Version: 1.0 Date: Tue, 18 May 2021 11:16:11 +0200 From: Stefan Agner To: Martin Blumenstingl Cc: linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong , Jerome Brunet , Kevin Hilman Subject: Re: Random reboots on ODROID-N2+ In-Reply-To: References: <40ca11f84b7cdbfb9ad2ddd480cb204a@agner.ch> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <29c053975110dfb6d91eab928116ea66@agner.ch> X-Sender: stefan@agner.ch X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210518_021617_885300_8A1F64EF X-CRM114-Status: GOOD ( 15.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Martin, On 2021-05-17 23:09, Martin Blumenstingl wrote: > Hi Stefan, > > On Mon, May 17, 2021 at 11:14 AM Stefan Agner wrote: >> >> Hi, >> >> We are currently testing a new release using Linux 5.10.33. I've >> received since several reports of random reboots every couple of days. >> Unfortunately the log (journald) doesn't show anything, just a hard cut >> at some point. > I'm sorry to hear that some things are not working right > > [...] >> [202983.988187] Hardware name: Hardkernel ODROID-N2Plus (DT) >> [202983.988188] Call trace: >> [202983.988188] dump_backtrace+0x0/0x1a0 >> [202983.988189] show_stack+0x18/0x70 >> [202983.988190] dump_stack+0xd0/0x12c >> [202983.988190] panic+0x170/0x338 >> [202983.988191] nmi_panic+0x8c/0x90 >> [202983.988191] arm64_serror_panic+0x78/0x84 >> [202983.988192] do_serror+0x38/0xa0 >> [202983.988193] el1_error+0x88/0x108 >> [202983.988193] udp_send_skb.isra.0+0x178/0x390 >> [202983.988194] udp_sendmsg+0x7c8/0x9c0 >> [202983.988194] inet_sendmsg+0x44/0x70 >> [202983.988195] sock_sendmsg+0x4c/0x60 >> [202983.988196] __sys_sendto+0xd0/0x140 >> [202983.988196] __arm64_sys_sendto+0x28/0x40 >> [202983.988197] el0_svc_common.constprop.0+0x78/0x1a0 >> [202983.988197] do_el0_svc+0x24/0x90 >> [202983.988198] el0_svc+0x14/0x20 >> [202983.988199] el0_sync_handler+0xb0/0xc0 >> [202983.988199] el0_sync+0x178/0x180 >> [202983.988211] SMP: stopping secondary CPUs >> [202983.988212] Kernel Offset: disabled >> [202983.988212] CPU features: 0x0240002,61082004 >> [202983.988213] Memory Limit: none > that looks weird > >> Anyone observed such an issue? I am pretty sure that this is a new issue >> as we have many installations using Linux 5.9.16 running stable on the >> same hardware,. > I haven't but I am currently trying to hunt down a (probably > unrelated) Ethernet issue on an older Meson8m2 SoC currently. > All Amlogic Meson SoCs use a DWMAC IP for Ethernet connectivity plus > there's a little bit of "glue" IP for the xMII connecting to the SoC's > IO pads > > I think it's a good idea to involve the netdev and (probably even more > important) stmmac maintainers. > Anything skb related is handled by the stmmac driver. > So I am hoping that someone with expertise in that area can give any > hints for debugging or reproducing this. Ok I'll do that, I currently wait to see the same trace a second time, just to make sure its really caused by that code path always. -- Stefan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel