Date: Mon, 1 Feb 2010 23:04:21 +0100 From: Giovanni Trematerra <giovanni.trematerra@gmail.com> To: Brandon Gooch <jamesbrandongooch@gmail.com> Cc: Attilio Rao <attilio@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, Randall Stewart <rrs@lakerest.net> Subject: Re: A strange thing with yesterday's head.. Message-ID: <4e6cba831002011404h1b6b893cj2390bf0a7560a7f2@mail.gmail.com> In-Reply-To: <179b97fb1001291212p5b0829f2pea28ab36a85751cf@mail.gmail.com> References: <B4F940BE-04BD-4ACC-B686-21D61423D236@lakerest.net> <20100128201520.6a114290@ernst.jennejohn.org> <117532D7-75B9-4BE8-A8B6-0A6761064B92@lakerest.net> <4e6cba831001290744m6067691ct489c61fe9cd28502@mail.gmail.com> <179b97fb1001291212p5b0829f2pea28ab36a85751cf@mail.gmail.com>
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On Fri, Jan 29, 2010 at 9:12 PM, Brandon Gooch <jamesbrandongooch@gmail.com> wrote: > On Fri, Jan 29, 2010 at 3:44 PM, Giovanni Trematerra > <giovanni.trematerra@gmail.com> wrote: >> On Thu, Jan 28, 2010 at 10:55 PM, Randall Stewart <rrs@lakerest.net> wrote: >>> I was running SCHED_ULE on an 8.0 and everything works >>> fine. >>> >>> On my 2 core head of yesterday I tried both SCHED_ULE AND >>> 4BSD.. and got the same results ;-0 >>> >>> I will try my 4 core when I get home ;-) >>> >>> R >>> On Jan 28, 2010, at 11:15 AM, Gary Jennejohn wrote: >>> >>>> On Thu, 28 Jan 2010 10:30:37 -0800 >>>> Randall Stewart <rrs@lakerest.net> wrote: >>>> >>>>> All: >>>>> >>>>> I just found a very strange thing with yesterdays head. >>>>> >>>>> The program >>>>> >>>>> http://www.freebsd.org/~rrs/my_thr.c >>>>> >>>>> I compile it: >>>>> >>>>> cc -g -o my_thr my_thr.c /usr/lib/libthr.a -lpthread >>>>> >> >> Hi Randal, >> I tried your code on an 8-core machine with a fresh head (i386) >> I have no problems with both 4BSD and ULE scheduler. >> I even upping the value of macro NUM_THREAD to 24 but I didn't notice >> nothing strange. >> >> Have you got a chance to reproduce it on your machines? >> >> -- >> Gianni >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >> > > I ran it on my dual-core, 8-STABLE/ULE laptop. The very first time I > ran it, I experienced the temporary "seizure". It took several more > runs before I could get it to happen again. > Hi Brandon, which kind of processor your laptop has? AMD or Intel? -- Gianni
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