Re: [PATCH v1 1/6] Add oops notification chain.
From: Aaron Durbin
Date: Tue Jan 25 2011 - 16:43:23 EST
On Tue, Jan 25, 2011 at 1:36 PM, Jeff Garzik <jeff@xxxxxxxxxx> wrote:
> On 01/25/2011 03:01 PM, Mike Waychison wrote:
>> On Mon, Jan 24, 2011 at 6:06 PM, Greg KH<greg@xxxxxxxxx> wrote:
>>> On Mon, Jan 24, 2011 at 04:24:39PM -0800, Mike Waychison wrote:
>>>> From: Aaron Durbin<adurbin@xxxxxxxxxx>
>>>> Later firmware patches in this series would like to be able to be
>>>> notified whenever an oops occurs on the system, so that it can be
>>>> recorded in the boot log.
>>>> This patch introduces a notifier_block called "oops_notifier_list"
>>>> so that drivers can register to get called whenever an Oops is
>>> But we already have a panic notifier list. Why create a new one?
>>> What's wrong with the existing one that doesn't work properly for you?
>> AFAICT, the panic notifier list doesn't get called on oops.
> Have you tried playing with panic_on_oops ?
Yes. We actually run in that setup. However, oops != panic. They are 2
distinct events. Sometimes we panic without the oops under certain
situations. That is why it is desirable to have 2 distinct events.
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