Date: Sat, 6 Dec 2008 03:36:29 +0000 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: what is umtxn Message-ID: <20081206033629.723f6829@gumby.homeunix.com> In-Reply-To: <871vwmv3er.fsf@kobe.laptop> References: <20081205193446.B2902@wojtek.tensor.gdynia.pl> <871vwmv3er.fsf@kobe.laptop>
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On Fri, 05 Dec 2008 21:16:12 +0200 Giorgos Keramidas <keramida@ceid.upatras.gr> wrote: > On Fri, 5 Dec 2008 19:35:34 +0100 (CET), Wojciech Puchar > <wojtek@wojtek.tensor.gdynia.pl> wrote: > > i've got once my asterisk process in umtxn state (as top shows) > > using 100% CPU. > > > > it was still answering calls. > > > > what's umtxn exactly? > > A kernel lock operation. ``procstat -k PID'' may show more details > about the in-kernel stack of the process that spins on the lock. > What's procstat? find isn't finding it, neither is "make search" in ports.
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