Re: DNS utilities core dump in -current ?

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

On 10/09/2025 06:10, matthew green wrote:
> > I still see it on an 11.0 BETA from Aug. 27 on hppa:
> >
> > [vom@c3700 ~]$ uname -a
> > NetBSD c3700.retronet.burn.net 11.0_BETA NetBSD 11.0_BETA (GENERIC) #0: Wed
> > Aug 27 12:56:40 UTC 2025
> > mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/hppa/compile/GENERIC
> > hppa
> > [
> > vom@c3700 ~]$ dig arin.net soa
> > assertion "!(urcu_mb_reader).registered" failed: file
> > "/usr/src/external/lgpl2/userspace-rcu/lib/liburcu-mb/../../dist/src/urcu.c",
> > line 486, function "urcu_mb_register_thread"
> > Abort trap (core dumped)
> that's unfortunate.  it seems to be asserting in rcu_register_thread()
> that this thread isn't already registered:
>
> 486         urcu_posix_assert(!URCU_TLS(rcu_reader).registered);
> 487         URCU_TLS(rcu_reader).registered = 1;
>
> which seems to indicate there's a problem with URCU_TLS on hppa?  and
> it is different to the arm64 problem with urcu-memb.

yes, this is a TLS problem. Can you raise a PR please so it's not lost, 
please?

I've done some debugging, but not found the problem yet.

Thanks,

Nick