Date: Tue, 3 Jun 2003 12:16:56 -0400 (EDT) From: Bryan Liesner <bleez@verizon.net> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@freebsd.org Subject: Re: umtx/libthr SMP fixes. Message-ID: <20030603115912.Q648@gravy.homeunix.net> In-Reply-To: <20030602230746.U69975-100000@mail.chesapeake.net> References: <20030602230746.U69975-100000@mail.chesapeake.net>
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On Mon, 2 Jun 2003, Jeff Roberson wrote: > If you have had issues with libthr on SMP or umtx panics, the following > patch may solve these issues. > > http://www.chesapeake.net/~jroberson/umtxlocks.diff > > This patch fixes several race conditions and other issues with umtx. Actually, no it doesn't. I was able to use kern_umtx v 1.3 only if I removed atapicam from my kernel config. These patches (now committed?) panic the system whether I use atapicam or not. With kern_umtx v1.2 there is no panic at all, with or without atapicam. Actually, I think it's cam in general that's causing the panic with these changes. Please see kern/52718
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