Date: Tue, 30 Oct 2007 19:58:12 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: "Ralf S. Engelschall" <rse@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: "sigreturn: eflags = 0x80283" after medium-to-high load Message-ID: <47277EC4.4030003@FreeBSD.org> In-Reply-To: <20071029110204.GA64046@engelschall.com> References: <20071029110204.GA64046@engelschall.com>
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Ralf S. Engelschall wrote: > Just FYI: When I compile lots of C++ code under 8.0 or 7.0 (both as of > 2007-10-27 and running on ZFS inside a virtual machine) I'm still able > to regularily bring the system into an unusable state. The effect is > that first on the console the following kernel messages occur: > > sigreturn: eflags = 0x80283 > sigreturn: eflags = 0x80297 > > Then after I type e.g. CTRL-C in my C++ compile session over SSH more > such "sigreturn: eflags = 0x80283" occur on the console (and without > bringing back a shell prompt on the SSH session). At this stage I also > no longer can login via SSH through a new second SSH connection. Only on > the console I still can perform a "sync; sync; sync; reboot" to rescue. > In this situation even a regular "shutdown -r now" often just causes > more "sigreturn: eflags = 0x80297" outputs but isn't really able to > finally reboot the system. Sounds like you need to do some debugging with DDB to identify the system state when it hangs. Kris
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