From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id D8CABB62 for ; Tue, 29 May 2018 17:43:10 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 May 2018 08:43:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,457,1520924400"; d="scan'208";a="232856599" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga006.fm.intel.com with ESMTP; 29 May 2018 08:43:07 -0700 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id w4TFh7ta002846; Tue, 29 May 2018 16:43:07 +0100 Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id w4TFh6QJ009303; Tue, 29 May 2018 16:43:06 +0100 Received: (from aburakov@localhost) by sivswdev01.ir.intel.com with LOCAL id w4TFh6Il009291; Tue, 29 May 2018 16:43:06 +0100 From: Anatoly Burakov To: dev@dpdk.org Cc: John McNamara , Marko Kovacevic , ferruh.yigit@intel.com, thomas@monjalon.net Date: Tue, 29 May 2018 16:43:06 +0100 Message-Id: <66cad21d816c8917da3ed97758426f6b3714563e.1527608560.git.anatoly.burakov@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <3f438d1d23d2d2792f2fe92d587097ec958ffe4e.1527506897.git.anatoly.burakov@intel.com> References: <3f438d1d23d2d2792f2fe92d587097ec958ffe4e.1527506897.git.anatoly.burakov@intel.com> Subject: [dpdk-dev] [PATCH v2] doc: document known issues for multiprocess X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 May 2018 15:43:11 -0000 Also, reference Bugzilla entry for keeping most current information in one place. Signed-off-by: Anatoly Burakov --- Notes: v2: clarify wording doc/guides/rel_notes/release_18_05.rst | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst index e8d74f507..a2526666a 100644 --- a/doc/guides/rel_notes/release_18_05.rst +++ b/doc/guides/rel_notes/release_18_05.rst @@ -568,6 +568,19 @@ Known Issues dpdk-pdump example and any other applications using librte_pdump, cannot work with older version DPDK primary applications. +* **Secondary process launch is not reliable.** + + Recent memory hotplug patches have made multiprocess startup less reliable + than it was in the past. A number of workarounds are known to work depending + on the circumstances. As such it isn't recommended to use the secondary + process mechanism for critical systems. The underlying issues will be + addressed in upcoming releases. + + The issue is explained in more detail, including potential workarounds, + in the Bugzilla entry referenced below. + + Bugzilla entry: https://dpdk.org/tracker/show_bug.cgi?id=50 + Shared Library Versions ----------------------- -- 2.17.0