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{
    "id": 8043,
    "url": "https://patches.dpdk.org/api/patches/8043/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1445936313-31782-1-git-send-email-xutao.sun@intel.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<1445936313-31782-1-git-send-email-xutao.sun@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1445936313-31782-1-git-send-email-xutao.sun@intel.com",
    "date": "2015-10-27T08:58:33",
    "name": "[dpdk-dev,v3] examples/vmdq: Fix the core dump issue when mem_pool is more than 34",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "c21754c5c62755b0bf8e591ce5ce785f6805a2e2",
    "submitter": {
        "id": 347,
        "url": "https://patches.dpdk.org/api/people/347/?format=api",
        "name": "Xutao Sun",
        "email": "xutao.sun@intel.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1445936313-31782-1-git-send-email-xutao.sun@intel.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/8043/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/8043/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id A28B97F1C;\n\tTue, 27 Oct 2015 09:58:42 +0100 (CET)",
            "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby dpdk.org (Postfix) with ESMTP id 7ED635682\n\tfor <dev@dpdk.org>; Tue, 27 Oct 2015 09:58:40 +0100 (CET)",
            "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby orsmga103.jf.intel.com with ESMTP; 27 Oct 2015 01:58:39 -0700",
            "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby orsmga001.jf.intel.com with ESMTP; 27 Oct 2015 01:58:38 -0700",
            "from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com\n\t[10.239.29.89])\n\tby shvmail01.sh.intel.com with ESMTP id t9R8wa6q002694;\n\tTue, 27 Oct 2015 16:58:36 +0800",
            "from shecgisg004.sh.intel.com (localhost [127.0.0.1])\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP\n\tid t9R8wYPZ032052; Tue, 27 Oct 2015 16:58:36 +0800",
            "(from xutaosun@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9R8wYMA032048; \n\tTue, 27 Oct 2015 16:58:34 +0800"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.20,204,1444719600\"; d=\"scan'208\";a=\"804093863\"",
        "From": "Xutao Sun <xutao.sun@intel.com>",
        "To": "dev@dpdk.org",
        "Date": "Tue, 27 Oct 2015 16:58:33 +0800",
        "Message-Id": "<1445936313-31782-1-git-send-email-xutao.sun@intel.com>",
        "X-Mailer": "git-send-email 1.7.4.1",
        "In-Reply-To": "<1445922658-4955-1-git-send-email-xutao.sun@intel.com>",
        "References": "<1445922658-4955-1-git-send-email-xutao.sun@intel.com>",
        "Subject": "[dpdk-dev] [PATCH v3] examples/vmdq: Fix the core dump issue when\n\tmem_pool is more than 34",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Macro MAX_QUEUES was defined to 128, only allow 16 vmdq_pools in theory.\nWhen running vmdq_app with more than 34 vmdq_pools, it will cause the\ncore_dump issue.\nChange MAX_QUEUES to 1024 will solve this issue.\n\nSigned-off-by: Xutao Sun <xutao.sun@intel.com>\n---\nv2:\n - Rectify the NUM_MBUFS_PER_PORT since MAX_QUEUES has been changed\n\nv3:\n - Change the comments above the relevant code.\n \n examples/vmdq/main.c | 9 +++++----\n 1 file changed, 5 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/examples/vmdq/main.c b/examples/vmdq/main.c\nindex a142d49..178af2f 100644\n--- a/examples/vmdq/main.c\n+++ b/examples/vmdq/main.c\n@@ -69,12 +69,13 @@\n #include <rte_mbuf.h>\n #include <rte_memcpy.h>\n \n-#define MAX_QUEUES 128\n+#define MAX_QUEUES 1024\n /*\n- * For 10 GbE, 128 queues require roughly\n- * 128*512 (RX/TX_queue_nb * RX/TX_ring_descriptors_nb) per port.\n+ * 1024 queues require to meet the needs of a large number of vmdq_pools.\n+ * (RX/TX_queue_nb * RX/TX_ring_descriptors_nb) per port.\n  */\n-#define NUM_MBUFS_PER_PORT (128*512)\n+#define NUM_MBUFS_PER_PORT (MAX_QUEUES * RTE_MAX(RTE_TEST_RX_DESC_DEFAULT, \\\n+\t\t\t\t\t\tRTE_TEST_TX_DESC_DEFAULT))\n #define MBUF_CACHE_SIZE 64\n \n #define MAX_PKT_BURST 32\n",
    "prefixes": [
        "dpdk-dev",
        "v3"
    ]
}