On Tue, Sep 30, 2014 at 09:46:45AM -0700, Linus Torvalds wrote: > On Tue, Sep 30, 2014 at 9:40 AM, Dave Jones <da...@redhat.com> wrote: > > > > ah, echo 0 > tracing_on isn't enough, I had to 0 out set_ftrace_pid too. > > Never mind. Subsequent traces all looking the same, minus the tracing > > junk though. > > Yeah, looks like that copy_page_to_iter+0x3b3 is always there. > > > Is there some way I can figure out what address it's faulting on ? > > I wonder if that might give some clues. > > Could be useful. There's a trace_page_fault_kernel() entry that should > give it to you, along with error code.
Hm. page_fault_kernel: address=__per_cpu_end ip=copy_page_to_iter error_code=0x2 over and over.. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/