Re: [2.6.27] early exception - lockdep related?

From: Luca Tettamanti
Date: Wed Sep 03 2008 - 04:28:37 EST


On Wed, Sep 3, 2008 at 8:52 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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).

>> 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.

>> , 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.

Luca
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