Re: googletest's test suite triggers "Data TLB miss fault"

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On Thu, Mar 22, 2018 at 9:02 AM, John David Anglin <dave.anglin@xxxxxxxx> wrote:
> On 2018-03-22 2:46 AM, Matt Turner wrote:
>>
>> In case anyone is looking for ways of reproducing cache errors... the
>> test suite in googletest [1] reliably triggers the following:
>>
>> do_page_fault() command='gtest_break_on_' type=15 address=0x00000000
>> in libgtest.so[f8493000+57000]
>> trap #15: Data TLB miss fault
>
> Why do you think this is a cache problem?

Only because I saw a lot more of these when the kernel was much more
unstable on my C8000, and the fixes that made the difference were your
recent TLB flushing changes.
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