From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B59852BE646; Fri, 2 Jan 2026 20:26:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767385598; cv=none; b=WP4Jm6mWDyu1Ic95j4B/fnGn3WtuF8o+CacGC2Yc2RwYoFv8etWHtaQXTdVCseinIdGuPtElcvZVCU32DYQ0czUyIxM2M/9GImWZwlChlAJDNnMzuYVEIqaJ1PwNQjTCoApUezweUV/Nv7cUrrE7XozqQwwEUdUKWX2VPUiX4FA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767385598; c=relaxed/simple; bh=69Vj5Q9Rf2Q1+8bWYhSvejuzOwrPHdL8T1fMzDcxvGM=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=L2I6wDMQCIvKdYPniTlD3OjQB62bdw/NiF9fmmRODoh3Bla5N/9dA2eohXtJE+T51gwSJW0mSJoIESUOaoEqQseeflotosYLZW9t2QDEbh3psOyh5dlF1rEiYW7+o32IX8YMLmEjQCmuScb5FA1AAtfwfyrzmNMhPrf5keuyD7M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NpFEpb1C; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NpFEpb1C" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0742FC116B1; Fri, 2 Jan 2026 20:26:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767385598; bh=69Vj5Q9Rf2Q1+8bWYhSvejuzOwrPHdL8T1fMzDcxvGM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NpFEpb1ClOwt4ZwNeztGj6bFngkNGUIRdZGRva7bxXMpxed8TTbuWRGeEsXvHdXEA nZ7lYV4HGC4T7BApp7POIX0+hvmD5SHr29SA1/IF2Wye9EtFZF4JZ0HUqrHzpkNe4x I9Bzy711YQNx968faXSNg0XCuQnjzFDnTydPWs0fARIvYSypGcZJU/Qmm8RujLD8Zr mCMxqYuCyMDaKHvk5VBG1mBCNXwPr9aDJHxW3Hj82WwAO0w9DZTRs6aSP0WCgfVR/B dFM82iMTKE5xkplrlCQqhDzR4NhU6iyOcCTL+pgZvWeo2a9zwjjVLHxg5Prj19fSNX aXFucHm85FPRg== Date: Fri, 2 Jan 2026 12:26:37 -0800 From: Jakub Kicinski To: Dmitry Skorodumov Cc: netdev@vger.kernel.org, Simon Horman , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Dmitry Skorodumov , "David S. Miller" , Eric Dumazet , Paolo Abeni , Shuah Khan Subject: Re: [PATCH v4 net 2/2] selftests: net: simple selftest for ipvtap Message-ID: <20260102122637.40556d72@kernel.org> In-Reply-To: <20251230140333.2088391-3-skorodumov.dmitry@huawei.com> References: <20251230140333.2088391-1-skorodumov.dmitry@huawei.com> <20251230140333.2088391-3-skorodumov.dmitry@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 30 Dec 2025 17:03:24 +0300 Dmitry Skorodumov wrote: > @@ -122,6 +123,7 @@ CONFIG_TEST_BPF=m > CONFIG_TLS=m > CONFIG_TRACEPOINTS=y > CONFIG_TUN=y > +CONFIG_TAP=m alphabetical order please > CONFIG_USER_NS=y > CONFIG_VETH=y > CONFIG_VLAN_8021Q=y > diff --git a/tools/testing/selftests/net/ipvtap_test.sh b/tools/testing/selftests/net/ipvtap_test.sh > new file mode 100755 > +NS_COUNT=32 > +IP_ITERATIONS=1024 > +[ "$KSFT_MACHINE_SLOW" = "yes" ] && NS_COUNT=8 This still fails on our slow VMs with debug kernel enabled (even tho they set KSFT_MACHINE_SLOW). The test runs for 15+ minutes without printing anything. That's pretty bad, humans running this tests will also have no idea what's going on. Maybe limit the runtime of the test as well as the iterations? To 1min? It takes <50sec on non-debug kernels in our CI. -- pw-bot: cr