Date: Sat, 20 Sep 2008 16:51:12 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Michel Talon <talon@lpthe.jussieu.fr>, freebsd-stable@FreeBSD.org Subject: Re: Problem with dtrace Message-ID: <20080920215111.GI34468@dan.emsphone.com> In-Reply-To: <20080920143952.GA16747@lpthe.jussieu.fr> References: <20080920143952.GA16747@lpthe.jussieu.fr>
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In the last episode (Sep 20), Michel Talon said: > Still testing FreeBSD-7.1-beta encountered the following (perhaps > to be expected) result with dtrace: > > dtrace -m kernel -> some output -> deadlock after a few seconds. > > Less demanding tracing worked OK. proc, profile, and syscall probes work fine for me; it seems to be just fbt probes that cause problems. Enabling any one will cause a trap 12 a few instructions inside the probed function when it gets called. -- Dan Nelson dnelson@allantgroup.com
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