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{
    "id": 86847,
    "url": "https://patches.dpdk.org/api/patches/86847/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20210119035910.8324-1-l.wojciechow@partner.samsung.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",
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    "msgid": "<20210119035910.8324-1-l.wojciechow@partner.samsung.com>",
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    "date": "2021-01-19T03:59:09",
    "name": "[v1,0/1] distributor test fix",
    "commit_ref": null,
    "pull_url": null,
    "state": null,
    "archived": false,
    "hash": null,
    "submitter": {
        "id": 1628,
        "url": "https://patches.dpdk.org/api/people/1628/?format=api",
        "name": "Lukasz Wojciechowski",
        "email": "l.wojciechow@partner.samsung.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20210119035910.8324-1-l.wojciechow@partner.samsung.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/86847/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/86847/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-AuditID": "cbfec7f4-b4fff7000000af05-1d-6006591952ec",
        "From": "Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>",
        "To": "",
        "Cc": "dev@dpdk.org, l.wojciechow@partner.samsung.com",
        "Date": "Tue, 19 Jan 2021 04:59:09 +0100",
        "Message-Id": "<20210119035910.8324-1-l.wojciechow@partner.samsung.com>",
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        "References": "\n <CGME20210119035920eucas1p15da5a04b73d19e63287dc14905d765f2@eucas1p1.samsung.com>",
        "Subject": "[dpdk-dev] [PATCH v1 0/1] distributor test fix",
        "X-BeenThere": "dev@dpdk.org",
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        "Errors-To": "dev-bounces@dpdk.org",
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    },
    "content": "According to the discussion in this thread:\nhttps://protect2.fireeye.com/v1/url?k=24ecce33-7b77f77c-24ed457c-0cc47a30\nd446-e317a6beb8cfa273&q=1&e=f8bb12df-3698-4bce-a7b7-d72e22b91431&u=https%\n3A%2F%2Finbox.dpdk.org%2Fdev%2FCAOE1vsOehF4ZMOWffpEv%3DQF6YOc5wXtg23PV83B\n9CLiTMn8wQA%40mail.gmail.com%2F%23r\n\nI was able to reproduce the distributor test failure in the exactly same\nway as described, but on x86_64 machine with 32 cores.\nSo it does not seem to be the problem related to the ARM architecture.\nIMO issue occurs when there are many worker threads returning at the same\ntime packets.\n\nI was not able to observe the issue on ARM devices, but I used only\nmachines with 4 cores. So that is max 3 worker cores,\nso maximum of 32*3 = 96 packets processed at the same time\nwhich is less than 127 , so the issue cannot occur.\n\nCan anyone verify this patch on a machine similar to one used in CI lab,\non which the issue occurred?\n\nLukasz Wojciechowski (1):\n  test/distributor: prevent return buffer overload\n\n app/test/test_distributor.c | 20 +++++++++++---------\n 1 file changed, 11 insertions(+), 9 deletions(-)",
    "diff": null,
    "prefixes": [
        "v1",
        "0/1"
    ]
}