Re: Mainline kernel crashes, was Re: RFC: remove set_fs for m68k

Michael Schmitz
2021-09-15T08:39:07Z

Hi Finn,

On 15/09/21 13:38, Finn Thain wrote:
> On Mon, 13 Sep 2021, Michael Schmitz wrote:
>
>>>>
>>>> Incidentally - have you ever checked whether Al Viro's signal
>>>> handling fixes have an impact on these bugs?
>>>>
>>>
>>> I will try that patch series if you think it is related.
>>
>> Initial tests look promising (but I've said that before).
>>
>
> Here's what I found in recent tests on my Quadra 630.
>
> The usual stress-ng panic can happen without list corruption, even with
> local_irq_save/restore() added to do_IRQ().
>
> The panic did not show up at all during stress tests with Al's signal
> handling patch series.
>
> I think my results are consistent with yours.

Thanks - that's encouraging to hear. My tests with Christoph's patches
on top of Al's haven't shown any further errors either, but I'll give
that combination some more workout.

Would you care to add your tested-by for Al's patches?

Cheers,

Michael

>
> The kernel's 'memtest' didn't detect any bad DRAM but it isn't
> particularly thorough so I'm running some tests with memtester-4.5.1.
>