> > I said that because mine dies at that: > > chk(fcntl(pmu_fd, F_SETFL, &fl) < 0, "fcntl(F_SETFL)"); > > > > (as root) > > No other message before that? Are you using plain old /dev, devfs or > sysfs? > > I've not noticed such a problem yet (with 2.6.1-rc1-ben1). Still need to > try a more recent one. 2.6.1-ben1 from Jan 15 doesn't show this, for me. Did you compile PMU support into the kernel? Michael