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[
    {
        "id": 96190,
        "web_url": "http://patches.dpdk.org/comment/96190/",
        "msgid": "<94479800C636CB44BD422CB454846E013CDAF38B@SHSMSX101.ccr.corp.intel.com>",
        "date": "2019-05-15T06:36:10",
        "subject": "Re: [dpdk-dev] [PATCH 0/3] fix invalid Tx threshhold setup",
        "submitter": {
            "id": 410,
            "url": "http://patches.dpdk.org/api/people/410/",
            "name": "Xing, Beilei",
            "email": "beilei.xing@intel.com"
        },
        "content": "> -----Original Message-----\n> From: Zhang, Qi Z\n> Sent: Saturday, May 4, 2019 5:30 PM\n> To: Xing, Beilei <beilei.xing@intel.com>; Lu, Wenzhuo\n> <wenzhuo.lu@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Ananyev,\n> Konstantin <konstantin.ananyev@intel.com>\n> Cc: dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>\n> Subject: [PATCH 0/3] fix invalid Tx threshhold setup\n> \n> When tx_free_thresh + tx_rs_thresh > nb_desc, it is possible that an\n> outdated DD status be checked as tx_next_dd, then segment fault happen\n> due to free a NULL mbuf pointer.\n> \n> The 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 --\n> txfreet=1020\n> \n> The patchset fix this issue on i40e, ixgbe and ice.\n> \n> Qi 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(-)\n> \n> --\n> 2.13.6\n\nAcked-by: Beilei Xing <beilei.xing@intel.com>",
        "headers": {
            "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
            "From": "\"Xing, Beilei\" <beilei.xing@intel.com>",
            "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
            "Date": "Wed, 15 May 2019 06:36:10 +0000",
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            "X-Amp-Result": "SKIPPED(no attachment in message)",
            "To": "\"Zhang, Qi Z\" <qi.z.zhang@intel.com>, \"Lu, Wenzhuo\"\n\t<wenzhuo.lu@intel.com>, \"Yang, Qiming\" <qiming.yang@intel.com>,\n\t\"Ananyev, Konstantin\" <konstantin.ananyev@intel.com>",
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            "Subject": "Re: [dpdk-dev] [PATCH 0/3] fix invalid Tx threshhold setup",
            "In-Reply-To": "<20190504092939.25326-1-qi.z.zhang@intel.com>",
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            "Thread-Topic": "[PATCH 0/3] fix invalid Tx threshhold setup"
        }
    },
    {
        "id": 96192,
        "web_url": "http://patches.dpdk.org/comment/96192/",
        "msgid": "<039ED4275CED7440929022BC67E7061153381A79@SHSMSX103.ccr.corp.intel.com>",
        "date": "2019-05-15T07:09:49",
        "subject": "Re: [dpdk-dev] [PATCH 0/3] fix invalid Tx threshhold setup",
        "submitter": {
            "id": 504,
            "url": "http://patches.dpdk.org/api/people/504/",
            "name": "Zhang, Qi Z",
            "email": "qi.z.zhang@intel.com"
        },
        "content": "> -----Original Message-----\n> From: Xing, Beilei\n> Sent: Wednesday, May 15, 2019 2:36 PM\n> To: Zhang, Qi Z <qi.z.zhang@intel.com>; Lu, Wenzhuo\n> <wenzhuo.lu@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Ananyev,\n> Konstantin <konstantin.ananyev@intel.com>\n> Cc: dev@dpdk.org\n> Subject: RE: [PATCH 0/3] fix invalid Tx threshhold setup\n> \n> \n> \n> > -----Original Message-----\n> > From: Zhang, Qi Z\n> > Sent: Saturday, May 4, 2019 5:30 PM\n> > To: Xing, Beilei <beilei.xing@intel.com>; Lu, Wenzhuo\n> > <wenzhuo.lu@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Ananyev,\n> > Konstantin <konstantin.ananyev@intel.com>\n> > Cc: dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>\n> > Subject: [PATCH 0/3] fix invalid Tx threshhold setup\n> >\n> > When tx_free_thresh + tx_rs_thresh > nb_desc, it is possible that an\n> > outdated DD status be checked as tx_next_dd, then segment fault happen\n> > due to free a NULL mbuf pointer.\n> >\n> > The 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 --\n> > txfreet=1020\n> >\n> > The patchset fix this issue on i40e, ixgbe and ice.\n> >\n> > Qi 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(-)\n> >\n> > --\n> > 2.13.6\n> \n> Acked-by: Beilei Xing <beilei.xing@intel.com>\n\nApplied to dpdk-next-net-intel.\n\nThanks\nQi",
        "headers": {
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            "From": "\"Zhang, Qi Z\" <qi.z.zhang@intel.com>",
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            "Date": "Wed, 15 May 2019 07:09:49 +0000",
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            "To": "\"Xing, Beilei\" <beilei.xing@intel.com>, \"Lu, Wenzhuo\"\n\t<wenzhuo.lu@intel.com>, \"Yang, Qiming\" <qiming.yang@intel.com>,\n\t\"Ananyev, Konstantin\" <konstantin.ananyev@intel.com>",
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            "Subject": "Re: [dpdk-dev] [PATCH 0/3] fix invalid Tx threshhold setup",
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            "Thread-Topic": "[PATCH 0/3] fix invalid Tx threshhold setup"
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