From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 032F51B171; Mon, 21 May 2018 15:33:19 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 May 2018 06:33:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,426,1520924400"; d="scan'208";a="57087975" Received: from rnicolau-mobl.ger.corp.intel.com (HELO [10.237.221.67]) ([10.237.221.67]) by fmsmga001.fm.intel.com with ESMTP; 21 May 2018 06:33:17 -0700 To: "Burakov, Anatoly" , dev@dpdk.org Cc: thomas@monjalon.net, ferruh.yigit@intel.com, stable@dpdk.org References: <1526902547-12710-1-git-send-email-radu.nicolau@intel.com> From: Radu Nicolau Message-ID: Date: Mon, 21 May 2018 14:33:16 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Subject: Re: [dpdk-dev] [PATCH] test: fix hang on FreeBSD 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: , X-List-Received-Date: Mon, 21 May 2018 13:33:20 -0000 On 5/21/2018 2:28 PM, Burakov, Anatoly wrote: > On 21-May-18 12:35 PM, Radu Nicolau wrote: >> Fixes: af75078fece3 ("first public release") >> Cc: stable@dpdk.org >> >> Signed-off-by: Radu Nicolau >> --- >>   test/test/test_debug.c | 3 ++- >>   1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/test/test/test_debug.c b/test/test/test_debug.c >> index faf2cf5..56fadce 100644 >> --- a/test/test/test_debug.c >> +++ b/test/test/test_debug.c >> @@ -34,7 +34,8 @@ test_panic(void) >>           printf("Fork Failed\n"); >>           return -1; >>       } >> -    wait(&status); >> +    sleep(1); >> +    waitpid(pid, &status, WNOHANG); >>       if(status == 0){ >>           printf("Child process terminated normally!\n"); >>           return -1; >> > > I'd be curious to see which specific problem you are addressing as > well. FreeBSD hanging on abort is a known issue, and a workaround is > already available: > > http://dpdk.org/dev/patchwork/patch/40256/ > > FreeBSD doesn't really "hang" here, it just spends a > looooooooooooooong time doing the core dump because FreeBSD, unlike > Linux, doesn't ignore hugepage and zero-page anonymous memory for core > dumps, resulting in it trying to dump the entire 128 gigabytes of VA > space that we preallocate. > > Setting resource limits will address the immediate issue, a more > complete fix (some memory subsystem refactor) will be coming for 18.08. > So it seems my "fix" only hides the issue and doesn't actually fix anything - so I will remove it from patchwork