Re: [PATCH v6 2/2] Output stall data in debugfs

From: Andi Kleen
Date: Thu Aug 11 2011 - 17:05:34 EST

> No because the serial console driver does a touch_nmi_watchdog(). So if
> we are trying to output debug info _before_ the lockup detector goes off,
> we effectively shoot ourselves in the foot by reseting the lockup detector
> everytime we print something. Hence we are trying to capture the data and
> output using another interface.

Well surely that's fixable in the serial driver? Maybe set some global
on that CPU to disable it.

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