Date: Mon, 8 Nov 2004 13:54:05 +0100 (MET) From: Mipam <mipam@ibb.net> To: Emanuel Strobl <Emanuel.Strobl@gmx.net> Cc: freebsd-stable@freebsd.org Subject: Re: preemption stable under 5.3? Message-ID: <Pine.BSO.4.56.0411081345310.6146@ux11.ltcm.net> In-Reply-To: <200411081337.31804.Emanuel.Strobl@gmx.net> References: <Pine.BSO.4.56.0411081155070.6146@ux11.ltcm.net> <200411081337.31804.Emanuel.Strobl@gmx.net>
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On Mon, 8 Nov 2004, Emanuel Strobl wrote: > Am Montag, 8. November 2004 11:56 schrieb Mipam: > > Hi, > > > > Is the preemption stable under 5.3 release? > > Can i savely enable it under 5.3? Latest i heard that in combination > > with the ule scheduler it didnt work well and wasnt stable. > > ULE was disabled and can't be compiled with 5.3, PREEMPTION and 4BSD scheduler > are doing fine. Thanks for your reply, okay, then i'd like to enable preemption. I noticed it's not in the GENERIC kernel config file. So: options PREEMPTION would suffice to enable it i guess? Any experience with preemption. noticable changes? So the problem: "PREEMPTION triggers frequent hangs" is resolved? Btw, is RELENG_5 also stable or only for early adopters? I really would like to see ule working stable in combination with preemption, but in 5.3 it won't happen. Maybe ule will be enabled later in the 5 series? Is "Fine-grained network stack locking without Giant" imported in 5.3 or is a giant lock networking stack still in 5.3? Bye, Mipam.
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