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Wed, 19 Feb 2020 05:56:20 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 49CF6107ACC5; Wed, 19 Feb 2020 10:56:19 +0000 (UTC) Received: from [10.33.36.109] (unknown [10.33.36.109]) by smtp.corp.redhat.com (Postfix) with ESMTP id AC8035D9E5; Wed, 19 Feb 2020 10:56:12 +0000 (UTC) To: "Burakov, Anatoly" , Kamaraj P Cc: dev@dpdk.org, Nageswara Rao Penumarthy , "Kamaraj P (kamp)" References: <5192f94a-e50a-7e61-2e33-a218a4b6b5b4@intel.com> <9c888eb0-2192-137c-da5c-97f30da5204a@intel.com> From: Kevin Traynor Autocrypt: addr=ktraynor@redhat.com; keydata= mQINBF2J2awBEADUEPNhgNI+nJNgiTAUcw4YIgVXEoHlsNPyyzG1BEXkWXALy0Y3fNTiw6+r ltWDkF9jzL9kfkecgQ67itGfk1OaBXgSGKuw1PUpxAwX2Bi76LAR6M5OsyGM9TSVVQwARalz hMwRBIZPzPc7or6Pw7jAOJ8SQGJ1Zlp1YJCjrvpe87V1tH/LY8Wnxn/EuoseFmWILAQZAtYS tGjcrAgYn3SPMLR1B0BP5bTBY06vWQjiufH8drenfDnMJAzuBdG1mqjnTqCjULZ3Hunv4xqZ aMnkvL/K5Tj1c12Oe4930EE53LrXIBUltRg5mBudSWHnC7twjH0082HH9f963Z/2UI63SFIT iUvRvAzJYytgy7XnWLQ0+goZBADKYfolOuC0H8VgCaux8u8KFF28Dy+N6TV2KI58jTlyg1Zu l7QwykZpnOkJFiy37Gfbu3YEOzO72cP/S7/A+zvuqkxi63jyEkd+FY99vLt/HN2MUZwRmKDw UPbLkmrs8WU01/POVsqDcfvz7vu2St8hqqTiSIdQGS2zyTKB2/DvPSM3jws3udkIYSuhn+X4 QBiV6lkVZ7DSE6a065gnAauAql+b32Eymy+xnG5jCt1tR+0Cp2VZYCR9OU2gmomUKBDoX/He pSgED01CqYPNjN+TddirwmQX7ep4DtXc8FWvv2g/pq9WZFQk2QARAQABtCNLZXZpbiBUcmF5 bm9yIDxrdHJheW5vckByZWRoYXQuY29tPokCTgQTAQgAOBYhBAoiOaH51tHF7VYtEI9CINER a+yJBQJdidmsAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEI9CINERa+yJoxIP/3VF 2TIgW4ckxhRFCvFu/606bnvCPie88ake4uWVWMAWwcMc4fKEltRWRCpkSVOwgqoMHnyHxK5r kOKzx2CLJMX5TgTMfKzPuaBDHngHLUzl2DStpBzrod0cVg5TShdmmfjY61uxRJKz+DlSkwgJ riADdVF5PPosQXTkKSGf2ombpTGpx/pue9ocjnr3x4SDpRLlnooM6Jf/3Y3Ib4jX6HPEyWuY b+owIIk9y2nRRGPQ6jbqAhsrXd9V+77UL0QuGWloMuKMZFbNg8hbu7X5aFijAbfxj4YUgojS ba7gfGZQan8h32A9KGQWrmsCBc3j2GqEPsX0r05X7cn7WL6IOPgQJ5EiQ7PlazQYVLrvZg9B n0GKK0k6895mLG0ZZ5v/qajOPF52etSmvFD1WUPb4OqaHqGA9ZtMpaKFRt7Y6rpXqKNU1xzW F5KjbTPtTb9WF3An8dciVv+AYUI7totkZYkWvQtgss8lfaX3NKUvXLVxqK0z3dQyr7rF/tYz PneTKypSksjCgaEBLSrsRmM5zKfe7tSNF/fDntfIq/029Jtcw29TcWEP57peNu6TtejewQD9 sTI+oqiXvW2D5l7LNUDYG8eMJp2oT7I0ZSBRvwcbmjH0DtN/bXCCFfCvk8Yic68F3tV1ctix wQARVKDBhT30uCxycRWojCYqTgNJJS71uQINBF2J2awBEADP57PR2IpSYBeNSrsAjeIcsahE N4SQP2C4s50S8QEWAUhqMRI7WNv5cfeef0nDvcl1IUA6oz5SokbcsbMa+mRgaNF4N5KikWTO LPYxq2YVJoXwJ+tKmNzyOLFUIfFJ4NBJZple5dTfWzD00Dbb19Mri1hy1mWMqNTPGBee1+hw Qcp6n3mmGECvajs8G5A7NyXbwL8ihN7HX9D01ucD62b4G03yKe2g/hvKgcdUVmhCldJlF27I 2fSR9tDxH9pZqRODY4rjbFZEey/vWKXqjE+DQ8AtMSEaDfFe5D+i4Aw6erWQ3Wr+DwZt1/7G dIAElGA/q90T1ENVwJX9y7fsQssawKYYdDqURHCl5JuDXI+VXUypExipUUT5SPycMmbLsx0D iKEqPPDQWKxkIDVKqj2+EhamSuJznZUwBLJKn0h4zrIWiXWUy07lRwtVuhaDXhF3GfW+5W/x wAg7Qg3w00ASsb/XTHBIhMnenKDfS7ihtQA8SacwX8ySdxb+15XPyiplM979qBQ0mhnilulm MIJzEf/JxoYR5huuj4f1PFqqrsP06Dl+YGB7dQZp3IKggS5c3/TAynARRg9N89UsDXNtp7X0 tgIPFF5k6fnHE0J5O64GYHeTqN/1aE6dAEOV9WrGzQAJxU9ipikb8jKAWXzLewRIKGmoPcRZ WdB0NmIjmQARAQABiQI2BBgBCAAgFiEECiI5ofnW0cXtVi0Qj0Ig0RFr7IkFAl2J2awCGwwA CgkQj0Ig0RFr7IkkORAAl/NbX93WK5MEoRw7/DaPTo/Lo6Pj1XMeSqGyACigHK/452UDvlEH NjNJMzYYrNIjMtEmN9VVCfjT38CSca7mpGQVwchc0mC7QSPAETLCS+UacVf/Kwxz5FfkEUUw UT7A+uyVOIgW3d9ldlRzkHA2czonSSgTQU+i2g6DM4ha+BuQb4byAXH6HQHt/Zh1J64z0ohH v6iGsCzCY/sMWF8+LEGSnzMGRCLiiwSF0vJBHbzWK68fANaF4gBV0Z/+6tQRFN7YMhj/INmk qgvHj1ZzHFNtirjMGPRxoZs51YoLQM/aBPxKrnmXThx1ufH+0L6sGmFTugiDt0XSEkC5reH7 a+VhQ1VTFFQrClA8NmDSPzFeuhru4ryaaDHO+uEB16cNHxHrQtlP/2hts2JM5lwkZRWJ5A57 h8eDEIK5be47T85NVHfuTaboNRmgg1HygVejhGUtt69u/0MVRg/roUTa0FyEbNsvz4qAecyW yWzMcVrcGJDQLC9JLKEpoyUF6gdTKaiDL2Vao4+XRIA3Y57b6MO35a3HuzAv7+i5Z0mnDEJO XxXqTOmKYpMIGexzM/PtuA0712sT1abG9tAJ17ao/B7cqMW5IkKkalemFbWfI2unns4Papvo tk9igVqyp6EJDU98z5TJioCVojwK2laDaoIjTJk9YYv3iwCsqPd5feU= Message-ID: Date: Wed, 19 Feb 2020 10:56:10 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <9c888eb0-2192-137c-da5c-97f30da5204a@intel.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: RP_KkDfxNbC4D3u_Xb_1Qw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-dev] CONFIG_RTE_MAX_MEM_MB fails in DPDK18.05 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 19/02/2020 10:23, Burakov, Anatoly wrote: > On 17-Feb-20 9:57 AM, Kamaraj P wrote: >> Hi Anatoly, >> Thanks for the clarifications. >> >> Currently we are migrating to the new DPDK 18.11 ( from 17.05).=C2=A0 He= re is=20 >> our configuration: >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> We have configured the "--legacy-mem" option and changed the=20 >> CONFIG_RTE_MAX_MEM_MB to 2048 (and we are passing 2MB huge page 188 and= =20 >> no 1G hugepages in the bootargs). >> Our application deployment as 2G RAM >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> We are observing the hang issue, with above configuration. >> Please see the below logs: >> EAL: Detected lcore 0 as core 0 on socket 0 >> EAL: Support maximum 128 logical core(s) by configuration. >> EAL: Detected 1 lcore(s) >> EAL: Detected 1 NUMA nodes >> EAL: open shared lib /usr/lib64/librte_pmd_ixgbe.so.2.1 >> EAL: open shared lib /usr/lib64/librte_pmd_e1000.so.1.1 >> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket >> EAL: Module /sys/module/vfio_pci not found! error 2 (No such file or=20 >> directory) >> EAL: VFIO PCI modules not loaded >> EAL: No free hugepages reported in hugepages-1048576kB >> EAL: No free hugepages reported in hugepages-1048576kB >> EAL: Probing VFIO support... >> EAL: Module /sys/module/vfio not found! error 2 (No such file or directo= ry) >> EAL: VFIO modules not loaded, skipping VFIO support... >> EAL: Ask a virtual area of 0x2e000 bytes >> EAL: Virtual area found at 0x100000000 (size =3D 0x2e000) >> EAL: Setting up physically contiguous memory... >> EAL: Setting maximum number of open files to 4096 >> EAL: Detected memory type: socket_id:0 hugepage_sz:1073741824 >> EAL: Detected memory type: socket_id:0 hugepage_sz:2097152 >> EAL: Creating 1 segment lists: n_segs:1 socket_id:0 hugepage_sz:10737418= 24 >> EAL: Ask a virtual area of 0x1000 bytes >> EAL: Virtual area found at 0x10002e000 (size =3D 0x1000) >> EAL: Memseg list allocated: 0x100000kB at socket 0 >> EAL: Ask a virtual area of 0x40000000 bytes >> <<< --- struck here ---> >>>> >> >> >> Is there any other dpdk options thro which we can resolve the above=20 >> issue ? Any thoughts ? >> Like passing the *--socket-limit* and *--m *parameter etc during the EAL= =20 >> Init (could help ???). >> Please suggest us. >> >=20 > It sounds like it hangs in eal_get_virtual_area() - we've had a similar= =20 > issue before, not sure if the fix was backported to 18.11. Is this patch= =20 > present in your code? >=20 > http://patches.dpdk.org/patch/51943/ >=20 In 18.11 LTS releases since v18.11.2. Current release is v18.11.6. commit 558509fbb2b0a0f5803f348634e4956ff8cb5214 Author: Shahaf Shuler Date: Sun Mar 31 11:43:48 2019 +0300 mem: limit use of address hint [ upstream commit 237060c4ad15b4ee9002be3c0e56ac3070eceb48 ] > If not, it would be of great help if you could find the exact spot where= =20 > the hang happens. >=20