? 2015/1/27 ?? 09:10, Nikos Mavrogiannopoulos ??: > On Tue, Jan 27, 2015 at 10:39 AM, Lemon Lam <alemonmk at gmail.com> wrote: >> ? 2015/1/27 ?? 05:10, Nikos Mavrogiannopoulos ??: >>> On Tue, Jan 27, 2015 at 10:01 AM, Lemon Lam <alemonmk at gmail.com> wrote: >>>>> Do you use linux-namespaces or seccomp? If yes try disabling it. >>>>> Otherwise please provide more information about your build. >>>> I can confirm that disabling seccomp do get rid of the problem. >>> Then, could you provide more information about your kernel version, >>> the cpu architecture, and the output of "strace -f" of ocserv? >> Kernel is Linode's customised 3.18.1-x86_64, but the OS is i386. >> strace output is attached. > > As far as I understand the seccomp filter does prevent select() from > being executed. Do you have the latest libseccomp in that platform? > Yes, libseccomp2 from Debian repo is 2.1.1, same with the one on sourceforge, aptitude tells me that it's up to date too.