From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatoly Burakov Subject: [PATCH 2/2] app/tesetpmd: disable memory locking for bsdapp Date: Thu, 3 May 2018 13:38:20 +0100 Message-ID: <151ad7a96d31c881c28379b66c740cf96f5d2635.1525350577.git.anatoly.burakov@intel.com> References: Cc: Wenzhuo Lu , Jingjing Wu , jianfeng.tan@intel.com To: dev@dpdk.org Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 7E28120BD for ; Thu, 3 May 2018 14:38:23 +0200 (CEST) In-Reply-To: In-Reply-To: References: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" If mlockall() is called while allocated VA space is bigger than amount of available RAM, FreeBSD kernel will deadlock and need a hard reboot. We do allocate big amounts of memory because of how new memory subsystem works, so calling mlockall() will cause a deadlock. So, disable mlockall() by default on FreeBSD. Signed-off-by: Anatoly Burakov --- app/test-pmd/testpmd.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index 77490be..38b8b7a 100644 --- a/app/test-pmd/testpmd.c +++ b/app/test-pmd/testpmd.c @@ -2615,6 +2615,13 @@ main(int argc, char** argv) latencystats_enabled = 0; #endif + /* on FreeBSD, mlockall() is disabled by default */ +#ifdef RTE_EXEC_ENV_BSDAPP + do_mlockall = 0; +#else + do_mlockall = 1; +#endif + argc -= diag; argv += diag; if (argc > 1) -- 2.7.4