Messages in this thread | | | Date | Tue, 7 Oct 2014 16:40:44 +0800 | From | Fengguang Wu <> | Subject | Re: [perf] BUG: unable to handle kernel NULL pointer dereference at 00000085 |
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On Tue, Oct 07, 2014 at 10:17:32AM +0200, Peter Zijlstra wrote: > On Tue, Oct 07, 2014 at 01:03:48PM +0800, Fengguang Wu wrote: > > > What is lacking is the actual .config. > > > > Sorry, attached the .config. I expected the script to auto attach it, > > but obviously it's not yet perfect and failed to attach .config in > > this case. > > Sure no problem, just figured I'd tell you. > > > > Also the times above (~285 seconds) seem to suggest userspace needs to > > > do something ? > > > > It's trinity. I'll try upgrade it, but it seems be valid for trinity > > to feed kernel with any parameters that it can accept -- unless the > > kernel completely rejects it one day. > > OK, does it make sense to augment that script you have with a trinity > parameter? Maybe have that userspace read the kernel cmdline and also > run trinity when observed? That way you can provide full > reproduction environments, which it appears you're striving towards.
The trinity binary is included in the initrd image that it downloads, and will auto run after boot up. I also plan to add trinity as a LKP test case. :)
Thanks, Fengguang
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