Re: valgrind issues on Fedora 28

On 11/8/18 1:07 PM, Tomas Vondra wrote:
> On 11/6/18 6:51 PM, Tomas Vondra wrote:
>> On 11/6/18 6:35 PM, Alvaro Herrera wrote:
>>> On 2018-Nov-06, Tomas Vondra wrote:
>>>
>>>> Hi,
>>>>
>>>> I've recently updated to Fedora 28, and in that environment I get
>>>> quite a
>>>> few new valgrind issues (see the attached log).
>>>
>>> Hmm, related to
>>> https://postgr.es/m/20180220150838.GD18315@e733.localdomain ?
>>> Apparently the right answer is to add local suppressions ...
>>>
>>
>> Yep, seems like that. I'll check if the patch proposed by Aleksander
>> resolves all the issues reported by valgrind.
>>
>
> OK, I propose we add suppressions per the attached patch.
>
> The rules are clearly incomplete, due to dependence on optimization
> used. For example now the stack includes __wcsnlen_avx2, but I see it
> was __wcsnlen_sse4_1 in Aleksander's report in February.
>
> Not sure what to do about this - maybe we should wildcard this first
> frame, to accept all wcsnlen variants. Opinions?
>

I've committed this with the first frame wirldcarded, and backpatched it
all the way back to 9.4.

regards

--
Tomas Vondra http://www.2ndQuadrant.com
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