From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (xvm-189-124.dc0.ghst.net [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6EA70A0A01; Mon, 4 Jan 2021 10:55:15 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E5AC61606DB; Mon, 4 Jan 2021 10:55:14 +0100 (CET) Received: from mail-vs1-f54.google.com (mail-vs1-f54.google.com [209.85.217.54]) by mails.dpdk.org (Postfix) with ESMTP id 1C31F1606D8 for ; Mon, 4 Jan 2021 10:55:13 +0100 (CET) Received: by mail-vs1-f54.google.com with SMTP id q10so14169026vsr.13 for ; Mon, 04 Jan 2021 01:55:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=DlBVajDcayZfxNWX/XeBuQLa8VG9RXVTP39irab25HA=; b=eu+iMEAPuCJUQN75tQXyGE59dVqXr3OEEfmmT/j68jqj3GUqLWa4qGKFLg9VcqjKF/ QLIOB3D6c8pJ4ol24WOFHDO7BYek/LEMt/iBqrtrRcluR1CtGAOItxmooxma2P56BcHJ 0kMKZTgkzWUjlrAAxBuWvXlQm7Dv117FGV9yzpdQfUDjkUbxrrQF3t4yGVfi0bmwJM6C fqd7H7yHVDVIt47oVrCNImuCphXWD6RhE94qV9HHmekEuJUTcZ14/Z73QmUu4JPo88eH XhGOksk4zxLCAcW0AW8kPujRvRTV9zloK2sBrTCDoSbodUEZqruUllazdvxuQAvw22Fo B3eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=DlBVajDcayZfxNWX/XeBuQLa8VG9RXVTP39irab25HA=; b=Xzgd5Sb6bpjK1wtf8gE8gVEonNscEd7/NqTe09NgsCt7fnKLgWHejzwW+vg9p2BJNe 22FZtdTCVcGgALI6jKjbsOFaCjfEu6mKp+YoNWxKn3eMVeyOwz/R3uhor54GiB91kUAx x2co0CFAEazGLmZwSJDP0/6mK/X8P6qLu9gCZ9DBEB5kyXmV8/HPMYEwJfdX6OQBPzTv /yFMAKS0Mzz2ip9MsvVrxzajX/QkWDpIs9SjHIA7k2xVI1qH+4hxzJlLmrCnEZSsHw1W kDYHd44mUZQIoFVFNV3+G5t08ydfeL08YgMSFn5gM/jS4aBJxfoevpH+H3eczZGQq2kA sV3w== X-Gm-Message-State: AOAM532CvQiFecGRP14SdSHAvx/ybaUTl/AtfKTWhhR2Fd7/+V/Rr1iJ QaUM7VfyTo5WKuqqovNlYcattMdy9aC5WXFscluea6crxDU= X-Google-Smtp-Source: ABdhPJx7bFfppRDw+SbtYu8+UrJ8OC2BoP3bIzCQ4fFnhl2BYPw/hyY2G+Np/Zvnel/PdzmG08TN3GnV8N9kFkVNFeY= X-Received: by 2002:a67:2a46:: with SMTP id q67mr44324226vsq.40.1609754112175; Mon, 04 Jan 2021 01:55:12 -0800 (PST) MIME-Version: 1.0 From: chetan bhasin Date: Mon, 4 Jan 2021 15:25:01 +0530 Message-ID: To: dev@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [dpdk-dev] process got Sigsegv with Multi KNI X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" Hello DevTeam members, We have a dpdk application where we are using multiple KNI's as slaves under a linux virtual interface which is acting as master. When process got SIGSEGV , we are seeing that process remains in defunct state and linux kernel is trying to release those slave interfaces in back-ground , which takes around 10 seconds each KNI , So for 30 KNi's it goes around (300 seconds, i.e 5 minutes). *Dmesg logs are as below where vbond1(Linux virtual interface) and vbond1_x are KNI's- * [Tue Dec 22 09:20:56 2020] vbond1: the permanent HWaddr of vbond1_29 - 94:40:c9:a3:b5:10 - is still in use by vbond1 - set the HWaddr of vbond1_29 to a different address to avoid conflicts [Tue Dec 22 09:21:05 2020] vbond1: Releasing backup interface vbond1_28 [Tue Dec 22 09:21:05 2020] vbond1: the permanent HWaddr of vbond1_28 - 94:40:c9:a3:b5:10 - is still in use by vbond1 - set the HWaddr of vbond1_28 to a different address to avoid conflicts Can anybody please suggest a way via which we could reduce this time. Thanks , Chetan