lkml.org 
[lkml]   [2020]   [Dec]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] x86/irq: Lower unhandled irq error severity
From
Date
On 11/30/20 5:34 PM, Thomas Gleixner wrote:
> On Mon, Nov 30 2020 at 19:22, Laurențiu Nicola wrote:
>> On Mon, Nov 30, 2020, at 18:56, Thomas Gleixner wrote:
>>>> That's right, sorry. It still boots, but it's no longer "quiet",
>>>> that's what I meant.
>>>
>>> Right, but surpressing that is not a solution.
>>
>> I'm just downgrading it from "emergency" to "error". It will still be
>> displayed for most users snd anyone looking in dmesg. But I'm unlikely
>> to convince my motherboard manufacturer to fix this in the BIOS, and
>> the errors are basically unactionable and uninformative (unlike say
>> "can't set up page mappings" or "your CPU might be on fire" which
>> would really imply a crash soon).
>
> The point is that for some cases this can result in a non working
> machine which just hangs and if it's below the usual loglevel cutoff,
> then it's not visible, which is more annoying than a non-quiet boot if
> you're affected.
>
> We are looking into a way to mitigate that AMD wreckage, but so far we
> don't even know where exactly this comes from. The reason why we are
> pretty sure that it is a BIOS/Firmware issue is that some people
> reported it to be gone after a BIOS update and quite some machines do
> not have this issue at all.

Thomas has reported this to me previously and I have reported it to our
BIOS team. That previously reported problem has been fixed in BIOS, but
I'm not sure at what AGESA level the fix will be rolled out.

@Laurențiu, what is the exact model of the processor you are running?

Thanks,
Tom

>
> Just for completeness sake. Can you provide the line in /proc/interrupts
> for irq 7 on that machine?
>
> Thanks,
>
> tglx
>

\
 
 \ /
  Last update: 2020-12-01 15:37    [W:0.089 / U:1.992 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site