[Bug 2031909] Re: tinydns: allocation failures with glibc 2.38/s390x

[Simon Chopin]

Bumping the limit sounds like a good idea as a first step, but we might
want to dig a bit deeper to see if it's just a straw that broke the
camel's back or if there was instead a dramatic increase to memory
consumption on s390x with this release.

If you prepare it I shall sponsor it ;)

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Title:
  tinydns: allocation failures with glibc 2.38/s390x

Status in djbdns package in Ubuntu:
  New
Status in glibc package in Ubuntu:
  New

Bug description:
  When using glibc 2.38, in some conditions tinydns fails with the
  following error:

  /usr/sbin/tinydns: error while loading shared libraries: libc.so.6:
  cannot map zero-fill pages

  This error shows up at least on the s390x autopkgtests for djbdns.

  This is blocking the glibc transition.

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