On 17/08/2022 19:19, Borislav Petkov wrote:
> On Wed, Aug 17, 2022 at 07:09:26PM -0300, Guilherme G. Piccoli wrote:
>> Again - a matter of a trade-off, a good compromise must be agreed by all
>> parties (kdump maintainers are usually extremely afraid of taking risks
>> to not break kdump).
>
>
On 17/08/2022 14:31, Borislav Petkov wrote:
> [...]
>
> How does the fact that kdump is loaded, obviate the need to print
> information about the errors?
>
> Are you suggesting that people who have the whole vmcore would be able
> to piece together the error information?
>
Hi Boris, thanks for
On 17/08/2022 19:00, Borislav Petkov wrote:
> On Wed, Aug 17, 2022 at 06:56:11PM -0300, Guilherme G. Piccoli wrote:
>> But do you agree that currently, in case of a kdump, that information
>> *is not collected*, with our without my patch?
>
> If for some reason that panic notifier does not get
On 17/08/2022 18:46, Borislav Petkov wrote:
> On Wed, Aug 17, 2022 at 06:39:07PM -0300, Guilherme G. Piccoli wrote:
>> Sorry for the confusion, let me try to be a bit more clear:
>
> I think you're missing the point. Lemme try again:
>
> You *absolutely* must log those errors because they're
On 17/08/2022 18:02, Borislav Petkov wrote:
> On Wed, Aug 17, 2022 at 05:28:34PM -0300, Guilherme G. Piccoli wrote:
>> My understanding is the same as yours, i.e., this is not possible to
>> collect from vmcore, it requires register reading. But again: if you
>> kdump your machine today, you won't
On 17/08/2022 16:34, Borislav Petkov wrote:
> [...]
>
> What is "the failure risk for kdump"?
>
> Some of the notifiers which run before kdump might fail and thus prevent
> the machine from kdumping?
>
Exactly; some notifiers could break the machine and prevent a successful
kdump. The EDAC one
On 16/08/2022 15:44, Dinh Nguyen wrote:
> [...]
>> V2:
>> - new patch, based on the discussion in [0].
>> [0]
>> https://lore.kernel.org/lkml/62a63fc2-346f-f375-043a-fa2138527...@igalia.com/
>>
>
> Acked-by: Dinh Nguyen
Thanks a lot Dinh!
There is something I'm asking for maintainers on
On 7/19/22 14:53, Guilherme G. Piccoli wrote:
The altera_edac panic notifier performs some data collection with
regards errors detected; such code relies in the regmap layer to
perform reads/writes, so the code is abstracted and there is some
risk level to execute that, since the panic path
On 19/07/2022 16:53, Guilherme G. Piccoli wrote:
> The altera_edac panic notifier performs some data collection with
> regards errors detected; such code relies in the regmap layer to
> perform reads/writes, so the code is abstracted and there is some
> risk level to execute that, since the panic
The altera_edac panic notifier performs some data collection with
regards errors detected; such code relies in the regmap layer to
perform reads/writes, so the code is abstracted and there is some
risk level to execute that, since the panic path runs in atomic
context, with interrupts/preemption
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