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FreeBSD Boots on x86-64

craig2787 writes "FreeBSD developer Peter Wemm has successfully booted FreeBSD on a real AMD ClawHammer CPU, in both 64- and 32-bit modes. Original posting to the -current mailing list is here."

42 comments

  1. Em-Hache-Zed by Xunker · · Score: 3, Interesting

    "CPU: AMD ClawHammer(tm) (3.14-MHz Hammer-class CPU)"

    3 Megahertz? Whoohoo, looks like AMD is giving the Intel a run for it's money... and MOS, too.

    Seriously, though, I'd eventually like to see some real world performance specs of Hammer running in 32 bit mode, just to see if it's going to suffer from the same 32-bit-on-64-bit problems that Itanic has been having. If they figured out a way around that, they could totally own the market because Itanium 1 is dead and all cursory tests on Itanium 2 show it sucks the glands of a large braying animal when it comes to 32 bit code.

    --
    Hilary Rosen's speech was about her love of money and her desire to roll around naked in a pile of money.
    1. Re:Em-Hache-Zed by shlong · · Score: 5, Insightful

      Seriously, though, I'd eventually like to see some real world performance specs of Hammer running in 32 bit mode [...]

      Benchmarks will come in time. Right now everyone that has a Hammer system is under NDA from AMD. Think about it, if everyone was posting performance numbers months before Hammer was ready for introduction, that would give Intel plenty of time to come up with some sort of response. When April 23 comes and the chip is officially released, I suspect that a ton of performance numbers will be released within a few seconds.

      As for the 32-bit-on-64-bit problem, remember that the amd64 architecture is just an extension on ia32, much like ia32 was an extension of the 16-bit stuff. Code either uses the wider registers or it doesn't. The real fear is that 64-bit code won't perform as fast as 32-bit code, since 64-bit pointers/integers/etc means less efficient cache usage.

      --
      Cat, the other, tastier white meat.
    2. Re:Em-Hache-Zed by MBCook · · Score: 2, Interesting

      Well, either the frequency reporting is wrong (possible) or the runs he showed are under an emulator (bochs type thing). He said it runs on real hardware, so it's most likely the first option. I agree though, I would really like to see some benchmarks. We'll have to wait untill the 22nd to see 'em though.

      --
      Comment forecast: Bits of genius surrounded by a sea of mediocrity.
    3. Re:Em-Hache-Zed by kylef · · Score: 5, Informative

      According to reports I've read, the new Opteron actually outperforms the current Athlon clock-for-clock in 32-bit Legacy mode (32-bit OS running 32-bit code) because at base, the decode paths and functional unit pipelines are similar to the present generation processor. There are some additional tricks they have pulled to get some more speed, like a "smart" TLB that only flushes its cache of page table entries when truly necessary (not at every context switch).

      In 64-bit Mode (where a 64-bit OS runs 64-bit code), average instruction length has increased because of the addition of a preface byte to every 64-bit instruction, but overall code size has DECREASED because 8 additional general purpose registers have been added (reducing compiler generated load/store code). This decrease in code size compensates for the larger average instruction length and enables performance to remain on-par with 32-bit.

      However, I will feel much better about these claims once I have seen some true performance comparisons at an independent reviewer's site! :)

    4. Re:Em-Hache-Zed by DarkHelmet433 · · Score: 5, Informative

      It was a joke, I changed the clock speed strings to 'pi'. This is a 10 month old pre-pre-pre-production A0-step silicon machine. I'm not allowed to talk about the speed of this particular machine. But I can say that I'm rather impressed given this particular machine's early production state. It does run very nicely in 32 bit mode. It is faster than my home desktop machine, and is faster than my work desktop (in single processor mode).

      Also, note this is a Clawhammer cpu, not the Sledgehammer/Opteron that is coming up for release on April 23.

    5. Re:Em-Hache-Zed by fsdb · · Score: 1
      There are some additional tricks they have pulled to get some more speed, like a "smart" TLB


      Don't forget about the on-die memory controller. That also pumps up the performance in legacy mode.

    6. Re:Em-Hache-Zed by mbadolato · · Score: 5, Funny
      everyone that has a Hammer system

      Everyone sing!!


      If I had a Hammer, I'd benchmark in the morning
      I'd benchmark in the evening
      all over the net


      Ok, now we now go back to your regularly scheduled BSD is dying trolls

    7. Re:Em-Hache-Zed by zzyp · · Score: 1

      Yeah, Intel is gonna pay for their radical approach. Btw, NetBSD has had x86-64 some time back. Free is just catching up, it seems. I like both, just never used Open.

    8. Re:Em-Hache-Zed by Xunker · · Score: 2, Funny

      I was pretty sure that's what it was, either that or just a typo (gHz/mHz). Of course, if you *really* wanted to get the geek humour going you'd do "([Sideways-Eight]mHz Hammer-Class CPU)" or something equally nerdy.

      What can you talk about about the machine? Do you know if the Opteron and Hammer are gonna share the same Chipsets?

      Maybe I should ask something about BSD too to even things out... Uhm, In a Texas-style cage match between Tux, Beastie and that damn Mysql Dolphin, who'd win?

      --
      Hilary Rosen's speech was about her love of money and her desire to roll around naked in a pile of money.
    9. Re:Em-Hache-Zed by Xunker · · Score: 1
      Ok, now we now go back to your regularly scheduled BSD is dying trolls


      Oh, BSD is dying, and everyone knows it.

      It's dying in reverse ;)
      --
      Hilary Rosen's speech was about her love of money and her desire to roll around naked in a pile of money.
    10. Re:Em-Hache-Zed by Anonymous Coward · · Score: 0

      Well, Tux is a sizzy and "Bottleneck the Dolphin" breaks down completely during the slightest presure. I guess Beastie is the winner, even though he's just cute.

    11. Re:Em-Hache-Zed by fsdb · · Score: 1

      "Hammer" is the internal AMD codename for the platform. "x86-64" and "amd64" are the external names. "Opteron" is an instance of a hammer/x86-64/amd64 processor.

    12. Re:Em-Hache-Zed by I_am_Rambi · · Score: 1

      "CPU: AMD ClawHammer(tm) (3.14-MHz Hammer-class CPU)"

      Since this is a pre-aplha machine, AMD does not want people to talk about specs. But, on the other hand they can talk about pi (3.14). To guard himself, this guy looks like he has put pi as the value of the MHz speed.

    13. Re:Em-Hache-Zed by Xunker · · Score: 1

      Eh, sorry, youre' right -- I meant to say "clawhammer", not just "hammer".

      --
      Hilary Rosen's speech was about her love of money and her desire to roll around naked in a pile of money.
    14. Re:Em-Hache-Zed by quinto2000 · · Score: 1

      AMD is the processor of communists!

      --
      Ceci n'est pas un post
  2. So, by Anonymous Coward · · Score: 2, Funny

    if FreeBSD is dying, it's dying in style? ;-)

    1. Re:So, by jo42 · · Score: 4, Funny
      > FreeBSD is dying

      Who let the Iraqi Information Minister out of Baghdad?

  3. BEFORE LINUX! by Anonymous Coward · · Score: -1, Flamebait

    Yes, Freebsd beat Linux'$ butt again

  4. 8x 3Ghz box that runs Quake on a GeForce4 - drool by DrSkwid · · Score: 1, Offtopic

    I think I know what computer I'm saving up for next.

    --
    There are places where the networks are not touching,and there are places where they are-Boeing's Lori Gunter
  5. OSS and AMD by vcbumg2 · · Score: 1

    Looks like OSS and AMD will be leading the cheap power realm for time to come...

    --

    projects @ http://spectechnologies.net

  6. The CPU may have been real but the OS is not by Anonymous Coward · · Score: -1, Flamebait

    *BSD is no longer dying but now is nothing but an urban myth.

    Becuase I've never seem *BSD I'm concluding that it doesn't exist. How many have been tricked?

    *BSD the OS that isn't.

    Peace.

  7. Hey... by Anonymous Coward · · Score: 0

    I didn't get any free BSD boots on my computer.

  8. Great News by vga_init · · Score: 2, Insightful
    Even though they say that BSD is a dying operating system, I've had the pleasure of being able to use it quite often in the past, and it really is a fine operating system.

    You've definitely got to hand it to BSD; it seems to be able boot on just about anything. One look at NetBSD's home page makes this obvious. :)

    This added compatability is not only good news for BSD users, but also for the whole open source community, which doesn't seem to have any trouble keeping up with new technology.

    1. Re:Great News by JJahn · · Score: 1

      I run FreeBSD on my firewall/NAT system, and I don't recall ever rebooting it except in the case of a power failure. The *BSD systems are quite secure out of the "box". I don't know why anyone would really say they are dying.

    2. Re:Great News by Anonymous Coward · · Score: 0

      Me too!

      Please Redundicize the parent.

    3. Re:Great News by Anonymous Coward · · Score: 0

      Because Slashdot is a magnet for Linux idiots.

  9. FreeBSD / NetBSD by edhall · · Score: 3, Insightful
    Btw, NetBSD has had x86-64 some time back. Free is just catching up, it seems.

    FreeBSD has focused on Itanium up until now, given that production hardware has been available for a while. There are people who already have them in their datacenters and who want to run FreeBSD on them. It's part of the pragmatism that is at the base of FreeBSD's philosophy.

    NetBSD has more of a research-focused, "climb the mountain because it's there" philosophy. Compare mottos: "FreeBSD -- The Power To Serve" vs. "Of Course It Runs NetBSD." That's not to say NetBSD doesn't make a fine, practical embedded platform (say), or that FreeBSD is useless in research (especially when that research can result in improved performance in the datacenter, FreeBSD's home turf). It's just a difference in emphasis, and the BSD community is richer for it.

    -Ed
  10. FreeBSD on x86-64 by Anonymous Coward · · Score: 0

    I love free, open source software!

    BSD, Linux and GNU put most other software to shame.
    Way to go guys!

  11. Re:FreeBSD / NetBSD by zzyp · · Score: 1

    I agree with the FreeBSD principle. I started with NetBSD because FreeBSD had a bug for my setup about 1-2 years back. It couldn't handle a Master-slave HDD relationship, used to freeze with "Probing devices please wait" on a i386.

    And I find FreeBSD's documentation to be the best amongst the three.

    Thanks for the clarification.

  12. Re:8x 3Ghz box that runs Quake on a GeForce4 - dro by Anonymous Coward · · Score: 0

    Perhaps it would be possible to spectate chartres with highest graphics and supported resolution! YEEHAW

  13. *BSD is dying by Anonymous Coward · · Score: -1, Troll
    It is official; Netcraft now confirms: *BSD is dying

    One more crippling bombshell hit the already beleaguered *BSD community when IDC confirmed that *BSD market share has dropped yet again, now down to less than a fraction of 1 percent of all servers. Coming on the heels of a recent Netcraft survey which plainly states that *BSD has lost more market share, this news serves to reinforce what we've known all along. *BSD is collapsing in complete disarray, as fittingly exemplified by failing dead last in the recent Sys Admin comprehensive networking test.

    You don't need to be a Kreskin to predict *BSD's future. The hand writing is on the wall: *BSD faces a bleak future. In fact there won't be any future at all for *BSD because *BSD is dying. Things are looking very bad for *BSD. As many of us are already aware, *BSD continues to lose market share. Red ink flows like a river of blood.

    FreeBSD is the most endangered of them all, having lost 93% of its core developers. The sudden and unpleasant departures of long time FreeBSD developers Jordan Hubbard and Mike Smith only serve to underscore the point more clearly. There can no longer be any doubt: FreeBSD is dying.

    Let's keep to the facts and look at the numbers.

    OpenBSD leader Theo states that there are 7000 users of OpenBSD. How many users of NetBSD are there? Let's see. The number of OpenBSD versus NetBSD posts on Usenet is roughly in ratio of 5 to 1. Therefore there are about 7000/5 = 1400 NetBSD users. BSD/OS posts on Usenet are about half of the volume of NetBSD posts. Therefore there are about 700 users of BSD/OS. A recent article put FreeBSD at about 80 percent of the *BSD market. Therefore there are (7000+1400+700)*4 = 36400 FreeBSD users. This is consistent with the number of FreeBSD Usenet posts.

    Due to the troubles of Walnut Creek, abysmal sales and so on, FreeBSD went out of business and was taken over by BSDI who sell another troubled OS. Now BSDI is also dead, its corpse turned over to yet another charnel house.

    All major surveys show that *BSD has steadily declined in market share. *BSD is very sick and its long term survival prospects are very dim. If *BSD is to survive at all it will be among OS dilettante dabblers. *BSD continues to decay. Nothing short of a miracle could save it at this point in time. For all practical purposes, *BSD is dead.

    Fact: *BSD is dying

  14. Developer laments: What Killed FreeBSD by Anonymous Coward · · Score: -1, Flamebait
    The End of FreeBSD

    [ed. note: in the following text, former FreeBSD developer Mike Smith gives his reasons for abandoning FreeBSD]

    When I stood for election to the FreeBSD core team nearly two years ago, many of you will recall that it was after a long series of debates during which I maintained that too much organisation, too many rules and too much formality would be a bad thing for the project.

    Today, as I read the latest discussions on the future of the FreeBSD project, I see the same problem; a few new faces and many of the old going over the same tired arguments and suggesting variations on the same worthless schemes. Frankly I'm sick of it.

    FreeBSD used to be fun. It used to be about doing things the right way. It used to be something that you could sink your teeth into when the mundane chores of programming for a living got you down. It was something cool and exciting; a way to spend your spare time on an endeavour you loved that was at the same time wholesome and worthwhile.

    It's not anymore. It's about bylaws and committees and reports and milestones, telling others what to do and doing what you're told. It's about who can rant the longest or shout the loudest or mislead the most people into a bloc in order to legitimise doing what they think is best. Individuals notwithstanding, the project as a whole has lost track of where it's going, and has instead become obsessed with process and mechanics.

    So I'm leaving core. I don't want to feel like I should be "doing something" about a project that has lost interest in having something done for it. I don't have the energy to fight what has clearly become a losing battle; I have a life to live and a job to keep, and I won't achieve any of the goals I personally consider worthwhile if I remain obligated to care for the project.

    Discussion

    I'm sure that I've offended some people already; I'm sure that by the time I'm done here, I'll have offended more. If you feel a need to play to the crowd in your replies rather than make a sincere effort to address the problems I'm discussing here, please do us the courtesy of playing your politics openly.

    From a technical perspective, the project faces a set of challenges that significantly outstrips our ability to deliver. Some of the resources that we need to address these challenges are tied up in the fruitless metadiscussions that have raged since we made the mistake of electing officers. Others have left in disgust, or been driven out by the culture of abuse and distraction that has grown up since then. More may well remain available to recruitment, but while the project is busy infighting our chances for successful outreach are sorely diminished.

    There's no simple solution to this. For the project to move forward, one or the other of the warring philosophies must win out; either the project returns to its laid-back roots and gets on with the work, or it transforms into a super-organised engineering project and executes a brilliant plan to deliver what, ultimately, we all know we want.

    Whatever path is chosen, whatever balance is struck, the choosing and the striking are the important parts. The current indecision and endless conflict are incompatible with any sort of progress.

    Trying to dissect the above is far beyond the scope of any parting shot, no matter how distended. All I can really ask of you all is to let go of the minutiae for a moment and take a look at the big picture. What is the ultimate goal here? How can we get there with as little overhead as possible? How would you like to be treated by your fellow travellers?

    Shouts

    To the Slashdot "BSD is dying" crowd - big deal. Death is part of the cycle; take a look at your soft, pallid bodies and consider that right this very moment, parts of you are dying. See? It's not so bad.

    To the bulk of the FreeBSD committerbase and the developer community at large - keep your eyes on the real goals. It'

  15. Imagine.... by trezor · · Score: 0, Offtopic

    ...that actually no-one has made that mandatory "Imagine a Beowulf-cluster of these"-remark yet...

    Because you can cluster BSD as well, can't you?
    *unsure and confused since there arent any cluster-remarks*

    --
    Not Buzzword 2.0 compliant. Please speak english.
    1. Re:Imagine.... by Anonymous Coward · · Score: 0

      Yes.

      Why wouldn't it?

      Enter Beowulf, cluster, and bsd in the search engine of your choice.

  16. Ooh by 21mhz · · Score: 0, Offtopic

    FreeBSD Boots? Where can I get my pair?
    Will it keep my feet warm with that x86-64?

    --
    My exception safety is -fno-exceptions.
  17. crashes before /sbin/init ???!!!! by cheezfreek · · Score: 1

    Now, I'm not denying that what this guy is done is pretty good. But if you can't even get to /sbin/init, then has your system really booted up? Certainly not in any useful way. I think this story is a bit premature. Post another one when programs can actually run on FreeBSD on a Clawhammer. Only then will I really be impressed.

    1. Re:crashes before /sbin/init ???!!!! by Anonymous Coward · · Score: 0

      I'll be impressed when you're capable of doing half of what "this guy" can do.

  18. Elegy for *BSD by Anonymous Coward · · Score: -1, Troll

    Elegy For *BSD


    I am a *BSD user
    and I try hard to be brave
    That is a tall order
    *BSD's foot is in the grave.

    I tap at my toy keyboard
    and whistle a happy tune
    but keeping happy's so hard,
    *BSD died so soon.

    Each day I wake and softly sob
    Nightfall finds me crying
    Not only am I a zit faced slob
    but *BSD is dying.

  19. Re:8x 3Ghz box that runs Quake on a GeForce4 - dro by xot · · Score: 1

    send me ur old system.pls.

    --
    Lord of the Binges.
  20. will do by DrSkwid · · Score: 1

    soon as i get the new one booted

    --
    There are places where the networks are not touching,and there are places where they are-Boeing's Lori Gunter
  21. hi by Anonymous Coward · · Score: 0

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    rdesktop: A Remote Desktop Protocol Client
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    rdesktop is an open source client for Windows NT Terminal Server and Windows 2000 Terminal Services, capable of natively speaking Remote Desktop Protocol (RDP) in order to present the user's NT desktop. Unlike Citrix ICA, no server extensions are required.

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  22. If its a unix it is part of the us, not the them. by Anonymous Coward · · Score: 0

    slashdot is a magnets for idiots, period.
    Oh the no reboot things holds true for
    my sparc/linux firewall as well.