From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC27B3587DE for ; Sun, 5 Jul 2026 15:04:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783263865; cv=none; b=A//N3ia9dPidzTuSb68dcOqFdK7YpFE8zxuKg+c2uu2ddHysQSlAXbUggGF+vPQK+Po/H59yJ2xTOg6jOZ5vnM9S/uPs24xUS7R9IbpKxLjae5QZQNU6bRiu5tb3xor8ueYKoMbJYsP9vW1dHxGV7tqnsA/0Z3XS6JlyL9Abgmk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783263865; c=relaxed/simple; bh=MBWUs2RCt3Iq+adF96QQynehSW9aHK2cjaMXm/cqNbQ=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=krh6wgfIVNlG5Ns2lIaRZwIhvewCcrmFn+NWHEAsYT5f5dKeD+M1vc0+qhJMZrwdJ/lSHeT2vHG2UMHK748W2xPRn5au9SKUmIZFQUkalkVf19ioEK+J57NAm/cPDb1TB87WzDZa8Z0MqWC0rupKxXB64PNadbS+BWKMrz7NQAE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=xenomai.org; spf=pass smtp.mailfrom=xenomai.org; dkim=pass (2048-bit key) header.d=xenomai.org header.i=@xenomai.org header.b=o6U4D2N7; arc=none smtp.client-ip=217.70.183.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=xenomai.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=xenomai.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=xenomai.org header.i=@xenomai.org header.b="o6U4D2N7" Received: by mail.gandi.net (Postfix) with ESMTPSA id 08C573EC21; Sun, 5 Jul 2026 15:04:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xenomai.org; s=gm1; t=1783263856; 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: in-reply-to:in-reply-to:references:references; bh=YUgswGX4qkjZBiT4tqPgx96OW4G8yJvKLnQAhdNPkIE=; b=o6U4D2N7Q/Am2NIgCuYvRQchntIzddzRT/CmoFG5DGH3v5OGmsrXwfRr5cAhyOh+J+WsPG pyDzeUdVDpwehO5UOmwD9NAvu377yDxSYVN/QT7QWPeZkaOiW+HzLJyTTZ+qC19K5tamFo 9sph/xkvsWXhJq3tNkDyXXqR8uJMRg+RenGSTeQBbBNWfxX4Zpao50y1Ak4C+/+shMRRc2 ReCtdjj+5Z0gq6zVHwg7TLYqcEsuVYrsbXXyQDqhUhCWw3fl8F6lrhcVVoJ40dYhzF/Jqi MmLKds6JmoyU4t4cKfC4wY+baO8Fnjjho99qnKXlZO853y2eK7JxecbPUL48YA== From: Philippe Gerum To: Hannes Diethelm Cc: xenomai@lists.linux.dev Subject: Re: EVL: Kernel WARNING In-Reply-To: (Hannes Diethelm's message of "Sun, 5 Jul 2026 14:00:41 +0200") References: User-Agent: mu4e 1.12.12; emacs 30.2 Date: Sun, 05 Jul 2026 17:04:15 +0200 Message-ID: <87mrw5mqa8.fsf@xenomai.org> Precedence: bulk X-Mailing-List: xenomai@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-GND-Sasl: rpm@xenomai.org X-GND-Score: -100 X-GND-Cause: 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 X-GND-State: clean Hannes Diethelm writes: > Am 04.07.26 um 20:05 schrieb Hannes Diethelm: >> Hi >> After updating to the lastest v6.12.y-cip-evl-rebase, I have a >> kernel WARNING in the igb driver if I use my oob-net-icmp.c (Patch >> submitted) >> Exact commits good...bad: >> linux-evl efed612...55591d4 >> libevl 3e5577d..f7b7df4 >> Regards >> Hannes >> ... > > Update: > > - It fails after ~240...253 packages. After that, no ping response is received any more > - I use "sudo ./oob-net-ping -i enp7s0 -a 192.168.122.1 -w 1000" so it fails faster > - Also without -w 1000, it fails, you just have to wait longer > - With an I350 card, I get the kernel WARNING > - In a VM with an e1000e, I don't get a warning but still after ~250 packages, no response is > received any more > - After evl net -di / evl net -ei, it works for another ~250 packages until it fails again > - With the good version, I tested ~1M packages, all fine, max 60 us response time on the real PC Ok, I can reproduce this easily with oob-net-ping as you described. This also happens with an (arm-based) FEC driver, which confirms that this is a generic issue - maybe in the packet protocol module? - not a driver specific bug. Working on it. -- Philippe.