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{
    "id": 53269,
    "url": "http://patches.dpdk.org/api/covers/53269/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/cover/20190504092939.25326-1-qi.z.zhang@intel.com/",
    "project": {
        "id": 1,
        "url": "http://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": "<20190504092939.25326-1-qi.z.zhang@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20190504092939.25326-1-qi.z.zhang@intel.com",
    "date": "2019-05-04T09:29:36",
    "name": "[0/3] fix invalid Tx threshhold setup",
    "submitter": {
        "id": 504,
        "url": "http://patches.dpdk.org/api/people/504/?format=api",
        "name": "Qi Zhang",
        "email": "qi.z.zhang@intel.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/cover/20190504092939.25326-1-qi.z.zhang@intel.com/mbox/",
    "series": [
        {
            "id": 4562,
            "url": "http://patches.dpdk.org/api/series/4562/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=4562",
            "date": "2019-05-04T09:29:36",
            "name": "fix invalid Tx threshhold setup",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/4562/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/covers/53269/comments/",
    "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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 6406628FD;\n\tSat,  4 May 2019 11:27:37 +0200 (CEST)",
            "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n\tby dpdk.org (Postfix) with ESMTP id DBCB41041\n\tfor <dev@dpdk.org>; Sat,  4 May 2019 11:27:34 +0200 (CEST)",
            "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t04 May 2019 02:27:33 -0700",
            "from dpdk51.sh.intel.com ([10.67.110.245])\n\tby orsmga001.jf.intel.com with ESMTP; 04 May 2019 02:27:32 -0700"
        ],
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "X-Amp-File-Uploaded": "False",
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.60,429,1549958400\"; d=\"scan'208\";a=\"229226655\"",
        "From": "Qi Zhang <qi.z.zhang@intel.com>",
        "To": "beilei.xing@intel.com, wenzhuo.lu@intel.com, qiming.yang@intel.com,\n\tkonstantin.ananyev@intel.com",
        "Cc": "dev@dpdk.org,\n\tQi Zhang <qi.z.zhang@intel.com>",
        "Date": "Sat,  4 May 2019 17:29:36 +0800",
        "Message-Id": "<20190504092939.25326-1-qi.z.zhang@intel.com>",
        "X-Mailer": "git-send-email 2.13.6",
        "Subject": "[dpdk-dev] [PATCH 0/3] fix invalid Tx threshhold setup",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "When tx_free_thresh + tx_rs_thresh > nb_desc, it is possible\nthat an outdated DD status be checked as tx_next_dd, then segment fault\nhappen due to free a NULL mbuf pointer.\n\nThe issue usually happens with an aggresive tx_free_thresh, for example:\n\n./testpmd -c 0x3 -n 4 -- -i --rxq=16 --txq=16 --rxd=1024 --txd=1024 --txfreet=1020\n\nThe patchset fix this issue on i40e, ixgbe and ice.\n\nQi Zhang (3):\n  net/i40e: fix invalid Tx threshold setup\n  net/ice: fix invalid Tx threshold setup\n  net/ixgbe: fix invalid Tx threshold setup\n\n drivers/net/i40e/i40e_rxtx.c   | 19 +++++++++++++++++--\n drivers/net/ice/ice_rxtx.c     | 21 ++++++++++++++++++---\n drivers/net/ixgbe/ixgbe_rxtx.c | 19 +++++++++++++++++--\n 3 files changed, 52 insertions(+), 7 deletions(-)"
}