Date: Sun, 22 Aug 2004 00:18:49 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.org> To: Brian Fundakowski Feldman <green@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_fault.c Message-ID: <Pine.NEB.3.96L.1040822001718.95496H-100000@fledge.watson.org> In-Reply-To: <20040822041018.GA937@green.homeunix.org>
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On Sun, 22 Aug 2004, Brian Fundakowski Feldman wrote: > Also, it was the system_map lock, so it was a mutex, not an sx. > > /Goes back to trying to figure out wtf portupgrade -rR kde\* keeps > causing > hangs, but only in X, not at the command line, and not seemingly > dependant on AGP/X driver. I believe mutexes are alright also as long as you're careful about sleeping and lock order. I.e., don't sleep while holding a non-funnel-like mutex, etc. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research
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