Re: bin/60150: named(8) crashes at startup on NetBSD/i386 11.0_RC2

["Christos Zoulas via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR bin/60150; it has been noted by GNATS.

From: Christos Zoulas <christos%zoulas.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: bin/60150: named(8) crashes at startup on NetBSD/i386 11.0_RC2
Date: Sat, 4 Apr 2026 08:21:18 -0400

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 > On Apr 4, 2026, at 12:50=E2=80=AFAM, Izumi Tsutsui via gnats =
 <gnats-admin%netbsd.org@localhost> wrote:
 >=20
 > The following reply was made to PR bin/60150; it has been noted by =
 GNATS.
 >=20
 > From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
 > To: gnats-bugs%netbsd.org@localhost
 > Cc: netbsd-bugs%netbsd.org@localhost, tsutsui%ceres.dti.ne.jp@localhost
 > Subject: Re: bin/60150: named(8) crashes at startup on NetBSD/i386 =
 11.0_RC2
 > Date: Sat, 4 Apr 2026 13:48:21 +0900
 >=20
 >> It might actually be the max_align_t value on i386 at the core of =
 this issue
 >> as I found out some years back.
 >=20
 > It looks the problem is not "sizeof(max_align_t) on i386 is 12 bytes"
 > but "upstream lib/isc/jemalloc_shim.h (local implementation of
 > non-standard mallocx() and variants) assumes sizeof(max_align_t)
 > is power of 2 (or multiple of 8)".
 >=20
 > Using in-tree jemalloc(3) by enabling HAVE_JEMALLOC explicitly in
 > src/external/mpl/bind/include/config.h also fixes the problem
 > (I'm not sure why it has been disabled by default):
 
 Great, thank you for finding the underlying cause, two questions:
 1. Does anything need to be done with vax and sun2 that don't
     use jemalloc?
 2. Should we fix the custom shim that removes the power of 2
     assumption so that it works anyway?
 
 Thanks,
 
 christos=
 
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