Re: [BUG] FailedAssertion in SnapBuildPurgeOlderTxn - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: [BUG] FailedAssertion in SnapBuildPurgeOlderTxn
Date
Msg-id CAA4eK1JRp1WxS-c50hCNaE_HG53CG+MyYFvLLfiTWLRdEC0Dcg@mail.gmail.com
Whole thread Raw
In response to Re: [BUG] FailedAssertion in SnapBuildPurgeOlderTxn  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
On Tue, Nov 22, 2022 at 2:22 AM Andres Freund <andres@anarazel.de> wrote:
>
> On 2022-11-21 15:47:12 +0300, Maxim Orlov wrote:
> > After some investigation, I think, the problem is in the snapbuild.c
> > (commit 272248a0c1b1, see [0]). We do allocate InitialRunningXacts
> > array in the context of builder->context, but for the time when we call
> > SnapBuildPurgeOlderTxn this context may be already free'd. Thus,
> > InitialRunningXacts array become array of 2139062143 (i.e. 0x7F7F7F7F)
> > values. This is not caused buildfarm to fail due to that code:
>
> Amit, that does indeed seem to be a problem...
>

I'll look into it.

-- 
With Regards,
Amit Kapila.



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