[Bug 290154] Recent -current upgrade introduced new not-implemented Linux syscalls

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 15 Oct 2025 15:32:48 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290154

--- Comment #5 from Kenneth Raplee <kenrap@kennethraplee.com> ---
(In reply to Ed Maste from comment #4)
> Is this a 32-bit Linux binary? linux_arch_prctl is implemented for 64-bit x86 Linux (in sys/amd64/linux/linux_machdep.c)

It appears to be 64-bit:

% file /usr/local/share/brave/brave
/usr/local/share/brave/brave: ELF 64-bit LSB pie executable, x86-64, version 1
(SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for
GNU/Linux 3.2.0, BuildID[sha1]=670f51794329e6e112bd2646a5366f3fb2a371b5,
stripped

> Note that none of this is really new with your upgrade; these syscalls were not implemented before and are still not. Just the log message is new.

I appreciate it. I don't know why I'm not able to reproduce those splice
messages. I've been wondering if it's a heisenbug?

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