Date: Tue, 1 Nov 2005 18:33:21 +0600 From: Max Khon <fjoe@samodelkin.net> To: Marc Olzheim <marcolz@stack.nl> Cc: stable@freebsd.org Subject: Re: HEADS UP! 6.0-RELEASE coming Message-ID: <20051101123321.GA39888@samodelkin.net> In-Reply-To: <20051101112900.GA4903@stack.nl> References: <436116D3.908@samsco.org> <20051031151809.GA83253@stack.nl> <20051101004042.GA28233@samodelkin.net> <20051101112900.GA4903@stack.nl>
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Hi! On Tue, Nov 01, 2005 at 12:29:00PM +0100, Marc Olzheim wrote: > > Linking against -lthr (or even -lc_r!) instead of -lpthread solves gdb > > "The program no longer exists." problem for me on RELENG_6. > > Well, yes, but that's not the same. While running on M:N KSE, all sorts > of locking needs to be correct, which with non M:N threading you can get > away with some (intentional or not) sloppiness. So debugging a fully > threaded program with a non M:N threadlib is not always useful. I do not think that maintaining M:N thread lib is feasible, given the lack of resources. Solaris has already moved from M:N to 1:1. Linux (NPTL) is 1:1 as well. /fjoe
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