Messages in this thread | | | Subject | Re: [2.6.27] early exception - lockdep related? | From | Peter Zijlstra <> | Date | Wed, 03 Sep 2008 10:37:41 +0200 |
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On Wed, 2008-09-03 at 10:28 +0200, Luca Tettamanti wrote: > On Wed, Sep 3, 2008 at 8:52 AM, Peter Zijlstra <peterz@infradead.org> wrote: > > On Tue, 2008-09-02 at 23:06 +0200, Luca Tettamanti wrote: > >> Hello, > >> I'm seeing an early exception (0e) - which seems related to lockdep - at > >> boot with many 2.6.27 kernels and I'm having troubles to track it down. > > > > Does it print one of these nice stack traces? > > Of course not ;-) It dies before dumping the stack trace (or at least > it doesn't make to the console - that machine has a serial port, but > my notebook does not... I've ordered a usb-to-serial adapter).
Until it arrives, you could try poking at netconsole..
> >> The strange thing is that it comes and goes with different kernel > >> versions > > > > What kernel version did you generate the below with - and what config. > > -rc2 is working, after that it's intermittent. The last kernel that I > tried is -git from a couple of days ago.
OK, once you send you .config, I'll try and reproduce on one of my machine. Perhaps you can also provide the git-describe output of a known bad one.
> >> , but a "bad" kernel consistently fails across reboots. It also > >> seems to be sensitive to the configuration (attached) > > > > you seem to have forgotten that attachment. > > Ops, will send as soon as I get home.
Sure thing..
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