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 0E94C37756D; Mon, 23 Feb 2026 20:26:59 +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=1771878420; cv=none; b=ogFyaWcGXaEw1dKFMabvySHe2vM0HSV2VyCd0G6YwpOkYyOof2m69q1/m1JpXJTaxhI8EchM1qYki2X6q9Zofh7DPyXFG9aSYRWq1VnfaCjk2ke4eQEq3y9wknpQYsdNxZV3ex+E9Sa4esbjFVPsYm0KqQBv4fjSZ61MTfZuW64= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771878420; c=relaxed/simple; bh=fwYi93CGfjEa2OFp92jIVni+fxgRaiftwTNsMzjsdG4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lQdbI9PJvh2pH9nps8TPi+k34NvBJarB6WLUm5yXqf68EV+gTZDIVPZMGpoJJxS3b1qROEQCv19soebpl2o4yr+vpLYxDif0lLqs7X2F6mL9CQrs0maovWtqaBXXSwZuzbhkDmAxbKZb62F1B+Cdq1gjD/GxGcXuiLk5r1FElYc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KJN2s+nb; 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="KJN2s+nb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1029DC19421; Mon, 23 Feb 2026 20:26:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771878419; bh=fwYi93CGfjEa2OFp92jIVni+fxgRaiftwTNsMzjsdG4=; h=From:To:Cc:Subject:Date:From; b=KJN2s+nb2pfhqR+MqED7Ng3Hn7iK07lJVFOZ4/fmxVYgiWmMmBOHd5vS8YxWaJDUt kpASqaZ+Tg8ho13KbiB2QiTlBHoq7Lek7r43QpuQWO0cVVvb44+MQDsOi+X2v2nUhr Ab5Zq3nni9xSxuDI2kBhFzJ8squy2XBCuoB9X20qHi2XJVikGC5t80NDhNiJQBOnAa JL7tAStuhZ+7HjSZEpD/W3bCl7ajwDmyJQLFI1HXQGbP5VbZvZoxgZjZXX8J5UyEwH gzlylcw8ENj/uUz6G8mCdIPlWPpI2dpRoMca87khlRty4mD61JOTw5NpjKsjwiAuZa 7MqOBvtQTPf0A== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, shuah@kernel.org, petrm@nvidia.com, gal@nvidia.com, leitao@debian.org, linux-kselftest@vger.kernel.org, Jakub Kicinski Subject: [PATCH net-next 0/3] selftests: net: py: improve bkg() error reporting Date: Mon, 23 Feb 2026 12:26:30 -0800 Message-ID: <20260223202633.4126087-1-kuba@kernel.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit bkg() is a helper for running commands in the background. When init or body of a with() block fails check if the bkg() process already exited and report its status (including stdout/ /stderr). This significantly improves debugability. Jakub Kicinski (3): selftests: net: py: avoid masking exceptions in bkg() failures selftests: net: py: use repr(cmd) for failure exceptions selftests: net: py: add cmd info for ksft_wait failure tools/testing/selftests/net/lib/py/utils.py | 44 +++++++++++++++------ 1 file changed, 31 insertions(+), 13 deletions(-) -- 2.53.0