Date: Sun, 9 Mar 2003 08:25:02 -0600 From: "Matthew D. Fuller" <fullermd@over-yonder.net> To: questions@freebsd.org Subject: Signal-related kernel messages on threaded processes? Message-ID: <20030309142502.GL39313@over-yonder.net>
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So, I'm working on a small threaded program here, and I get these:
----
Mar 9 07:39:53 mortis kernel: failed to set signal flags properly for ast()
Mar 9 07:39:53 mortis kernel: failed to set signal flags properly for ast()
Mar 9 07:42:21 mortis last message repeated 3 times
Mar 9 07:51:00 mortis last message repeated 26 times
----
I _think_ (based on times) they're related to running the programs in
gdb, though it's possible I got some when I was running it by itself.
My system is: FreeBSD 5.0-CURRENT #0: Wed Jan 8 18:46:11 CST 2003
I've tracked it down to sys/kern/subr_trap.c:87, which looks like:
----
if (SIGPENDING(p) && ((p->p_sflag & PS_NEEDSIGCHK) == 0 ||
(td->td_kse->ke_flags & KEF_ASTPENDING) == 0))
printf("failed to set signal flags properly for ast()\n");
----
inside #ifdef INVARIANTS, but that starts to lose me in details of
housekeeping structs for procs/threads. This _is_ just using libc_r, not
libkse, so the KSE tests wouldn't apply, right?
What should I be doing in the program that I'm not to avoid that message?
Or does it actually not really mean anything for my process, and is all
kernel-related?
--
Matthew Fuller (MF4839) | fullermd@over-yonder.net
Systems/Network Administrator | http://www.over-yonder.net/~fullermd/
"The only reason I'm burning my candle at both ends, is because I
haven't figured out how to light the middle yet"
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