> -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Anatoly Burakov > Sent: Thursday, May 3, 2018 1:38 PM > To: dev@dpdk.org > Cc: Lu, Wenzhuo <wenzhuo...@intel.com>; Wu, Jingjing <jingjing...@intel.com>; > Tan, Jianfeng <jianfeng....@intel.com> > Subject: [dpdk-dev] [PATCH 2/2] app/tesetpmd: disable memory locking for > bsdapp > > 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 <anatoly.bura...@intel.com> > --- > 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) > --
Acked-by: Konstantin Ananyev <konstantin.anan...@intel.com> > 2.7.4
