Messages in this thread | | | Subject | Re: 2.6.15-rt16 | From | Steven Rostedt <> | Date | Wed, 01 Feb 2006 13:32:50 -0500 |
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On Tue, 2006-01-31 at 12:07 -0600, Clark Williams wrote: > On Tue, 2006-01-31 at 09:52 -0800, chris perkins wrote: > > > <snip> > > > > > >> CONFIG_LATENCY_TIMING=y > > > > > > I'm betting this is the same thing I'm seeing. Are you running on a > > > uniprocessor x86_64? And if so are you seeing messages similar to the > > > following? > > > > > > init[1]: segfault at ffffffff8010fadc rip ffffffff8010fadc rsp > > > 00007fffffdacfc8 > > > > > > If so, then I suspect that you're getting a segfault in ld.so (at least > > > that's the furthest I've gotten so far). Something about how the kernel > > > sets up the memory map is upsetting dynamically loaded executables. I > > > can boot with init=/sbin/sash, but when I try and run a dynamically > > > linked program, I get segfaults. > > > > > > You might try turning off LATENCY_TRACING and see if that allows you to > > > boot and run (works for me). > > > > > > Meanwhile, I'm going to try and pin this down to something better than > > > "somewhere in ld.so..." > > > > > > Clark > > > - > > > Clark Williams <williams@redhat.com> > > > > hi, > > actually i'm running on a dual processor x86_64. with the problem i was > > having, i never got far enough to see the message you asked about. Steven > > Rostedt's suggestion to turn off NUMA worked and i am now able to boot. > > However, if I turn LATENCY_TRACING on, i get an immediate reboot after the > > kernel is uncompressed. this doesn't sound like the same problem you're > > having, though. > > Man, I saw that LATENCY_TRACING and completely missed the NUMA > parameter. Sorry about that... > > I must be the only person running a uniprocessor x86_64 that's working > with the -rt patches and trying to trace latencies. If I turn off > LATENCY_TRACING, I boot just fine. > > Are you getting any output from the kernel before the reboot?
I'm still curious to what's happening with your kernel. I'm currently running my x86_64 (typing right now on it) with CONFIG_SMP=n and CONFIG_LATENCY=y. I know you probably sent a config before, but could you send it to me again. (probably best to send it to me off list)
Thanks,
-- Steve
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