On Tue, 26 Aug 2014 11:22:47 +0800 "bhe at redhat.com" <bhe at redhat.com> wrote: >[...] > Here it use lseek to position, then try to read, and then reading failed > and raised a SIGKILL. > > lseek(3, 8799381360640, SEEK_SET) = 8799381360640 > read(3, <unfinished ...> > +++ killed by SIGKILL +++ > Killed This smells like killed by OOM Killer. Can you check the kernel log if there's anything? Petr Tesarik