> On 14/12/2023 12:38 EET Max Nikulin <maniku...@gmail.com> wrote:
>
>
> On 06/12/2023 18:06, Max Nikulin wrote:
> >
> > dovecot[72165]: auth-worker: Error: fatal error: failed to reserve page
> > summary memory
> > dovecot[72165]: auth-worker: Error:
> > dovecot[72165]: auth-worker: Error: runtime stack:
> > dovecot[72165]: auth-worker: Error: runtime.throw({0x7f552c418194?,
> > 0x7f552c1feb10?})
> > dovecot[72165]: auth-worker: Error: runtime/panic.go:1047 +0x5f
> > fp=0x7f552c1feac0 sp=0x7f552c1fea90 pc=0x7f552c28a53f
> > dovecot[72165]: auth-worker: Error:
> > runtime.(*pageAlloc).sysInit(0x7f552c5f6fd0)
>
> For the case that somebody will get this thread in search engine results:
>
> I have found another thread describing similar errors due to a custom
> PAM module for 2 factor authentication:
>
> dovecot: lmtp: Error: fatal error: failed to reserve page summary memory
> https://dovecot.org/pipermail/dovecot/2020-September/119952.html
> Thu Sep 17 12:20:12 EEST 2020
> https://dovecot.org/pipermail/dovecot/2020-October/120108.html
> Thu Oct 8 18:04:26 EEST 2020
>
> Perhaps Go is not the best language to implement PAM modules if memory
> footprint is not expected to be large. On the other hand e.g. argon2
> hashes may be really memory hungry, so vsz_limit must be set to
> appropriate value.
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You can set service auth and service auth-worker vsz_limit to 2G, that is
usually enough for PAM and Argon2.
Aki
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