lkml.org 
[lkml]   [2018]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v6 2/2] acpi: apei: Do not panic() on PCIe errors reported through GHES
From
Date


On 05/22/2018 10:15 AM, Tyler Baicar wrote:
> On 5/22/2018 10:32 AM, Alex G. wrote:
>> I think the biggest problem is having a policy to panic on "fatal"
>> errors, instead of letting the error handler make that decision. I'd
>> much rather kill that stupid policy, but people seem to like it for some
>> reason.
>>
> You can get around that panic and still have the error handled as
> AER_FATAL in
> the current code. Your FW needs to mark the error as RECOVERABLE and then
> set the CPER_SEC_RESET flag.

Of course, that would be ideal. But experience shows that firmware
doesn't do this. That's the whole point: firmware sends questionable data.

Alex

> https://elixir.bootlin.com/linux/v4.17-rc6/source/drivers/acpi/apei/ghes.c#L450
>
>
> Thanks,
> Tyler
>

\
 
 \ /
  Last update: 2018-05-22 17:18    [W:0.130 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site