FreeBSD 9-Stable + Atom D510 Freeze
gpalmer at freebsd.org
Fri Sep 20 14:36:20 UTC 2013
On Fri, Sep 20, 2013 at 09:12:09AM -0400, Thomas Laus wrote:
> > Tom,
> > I have had multiple D510's and now D525's that are part of my test
> > systems, all are 4GB machines and all run the latest (ie 2 days old) 9.X
> > Stable. They're faultless. I have a D510 in production serving 30
> > users - yes its a 1G system running, sendmail, squid, samba as PDC.
> > It's been in place for at least 7 months and runs without any hiccups.
> > Though I would point out that the Atom processor does NOT do out of
> > order processing, so a VIA motherboard that is of lower GHz builds
> > worlds/ports in less time that a supposedly faster Atom.
> > Your question re HT, yes HT introduces some additional latency, but is
> > unlikely to be the problem.
> Thanks for the information about the HT CPU's. I asked the question to the
> group because I did not know if they were functionally any different than a
> traditional CPU. I successfully built my problem port, Tshark, yesterday
> while monitoring 'top' on another console. I observed that all 4 cpu's were
> in service for the build and at times were running at 100 percent each. The
> State column on all 4 occasionally showed a 'pfault' on all 4 but recovered
> and the build continued to successful completion.
> > When I experience something like spurious reboots and it is definately
> > not hardware, then I delete /usr/src and /usr/ports and perform a
> > complete rebuild. (Yes seriously, and on the Atom's we're talking days,
> > aren't we :) )
> I have been using this Atom D510 since it was released about 3 years ago. It
> ran on FreeBSD 8-Stable until about a month ago. I installed an Intel 520
> SSD and loaded a fresh copy of a FreeBSD 9 Snapshot. After getting the
> source and ports tarballs, I used svnup to bring both up to date. I built
> and installed world and the kernel to bring me up to Stable. I rebuilt all
> of my ports using Portmaster.
> The spurious reboot issue existed for the last 3 years when running FreeBSD-8
> Stable. I never had the problem building world or kernel. It only occurred
> when building some ports. Subversion and Tshark more often than others.
> FreeBSD 9-Stable was frozen when I tried to build tshark, but I was able to
> build it OK yesterday. Everything hardware related other than the Atom
> microprocessor and the Intel motherboard itself is new. The OS is now a
> different version and all of the source was rebuilt monthly. The ports have
> been been built many times in the last 3 years.
When building kernel & world do you use the '-j' argument to do parallel
builds? AFAIK thats not done by default, but it is for some ports.
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