Re: Recurring INEQUIVALENT ALIASES issues and userland corruption/crashes

[John David Anglin <dave.anglin@bell.net>]

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On 2022-03-22 4:04 p.m., John David Anglin wrote:
> On 2022-03-22 3:37 p.m., Sam James wrote:
>> In our experience so far, there has been no good kernel version for us on this hardware.
> What happens with the attached config?  My rp3440 runs okay with this config.
>>
>>> I've seen this before but it's not occurring in my current builds for rp3440 and c8000.  I've been running for-next
>>> changes on c8000 for several weeks.
>>>
>> Yeah, I haven't seen this at all on my C8000 (or Gentoo's other HW, a C3600).
> Architecturally, there is no difference between rp3440 and c8000 with respect to the cache and TLB.
>
> As I said, the inequivalent alias are a memory mapping issue. This might vary depending on memory size.

Config might make a difference as well.

In order to debug, one needs to find the circumstances that cause it.

Dave

-- 
John David Anglin  dave.anglin@bell.net

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