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SMP issue, OSR 507, Office Portfolio - SCO

Roger Cornelius wrote: > We have been successfully running SCO Office Portfolio for the last > several years as we have upgraded UNIX/OpenServer from 3.2v4.2 to the > current OSR 5.0.7. Starting with about 5.0.2 (I think) OP would no > longer run if we had the SMP software installed. OP would fail with the > message: > > MV wiockeys() failed! Can't register hotkeys > > This is actually the message I get with 5.0.7 but it is the same or > similar as previous OS versions. Since sar reports didn't show any > performance bottleneck, I just uninstalled ...

  1. #1

    Default Re: SMP issue, OSR 507, Office Portfolio

    Roger Cornelius wrote:
    > We have been successfully running SCO Office Portfolio for the last
    > several years as we have upgraded UNIX/OpenServer from 3.2v4.2 to the
    > current OSR 5.0.7. Starting with about 5.0.2 (I think) OP would no
    > longer run if we had the SMP software installed. OP would fail with the
    > message:
    >
    > MV wiockeys() failed! Can't register hotkeys
    >
    > This is actually the message I get with 5.0.7 but it is the same or
    > similar as previous OS versions. Since sar reports didn't show any
    > performance bottleneck, I just uninstalled SMP and we ran without it and
    > OP works fine in that case. We're now in the process of upgrading an
    > aging server to a new one, which, though we didn't order it, was shipped
    > with a second processor installed. I tried installing SMP and, not
    > surprisingly, OP won't run. I know that OP hasn't been supported for
    > years, but I'd love to be able to use it and the second processor at the
    > same time. Is there any chance of making it work? On a side note, the
    > new server has XEON processors. If I can't run OP with SMP, will I be
    > able to run it with one XEON processor with the osr507up Hyper-Threading
    > update installed?
    >
    > I've run truss against the OP pmiew.rts binary. It forks a new process
    > which ultimately dies with a segmentation fault. I can provide the
    > trace if needed.
    OSR5 `truss` is imperfect; one of its faults is that it sometimes causes
    a process to SIGSEGV when it would have been fine when run standalone.
    It's possible the process was going to SIGSEGV by itself, but that's
    probably an observation artifact.

    My desktop has a Pentium 4 "2.40C GHz", 800FSB, that supports
    hyperthreading. I installed OP on it and it fails with the "wiockeys"
    message on some runs. I actually see three different behaviors:
    sometimes it hangs, sometimes it fails with "wiockeys", sometimes it
    starts successfully (with a "Caldaemon process has stopped due to a
    fatal error\nF1 to clear reminder" complaint). BTW when I say
    "installed" I actually mean "copied files from a 3.2v4.2 system that
    once ran OP" -- I don't even know if it works correctly on the original
    system, and I don't know anything about running, installing or
    administrating the beast myself.

    When I `truss`, it usually does the third thing (seems to work).

    If I disable a CPU (`cpuonoff -i 2`), it usually seems to work (with or
    without `truss`).

    I'm doing the `truss` in the `op` shell script,

    runapp truss -o /tmp/op.truss $OALIB/mvw/pmview.rts -R "$OALIB/oadaemon"

    instead of:

    runapp $OALIB/mvw/pmview.rts -R "$OALIB/oadaemon"

    The variant behavior between truss/no-truss and SMP/disabled strongly
    implies that this is a timing problem. It's probably forking a child,
    then assuming some events will occur in a certain sequence which isn't
    true on an SMP system.

    Since you know how to install & use OP, you're in a better position to
    test this...

    Pathetic idea, but, what if you `cpuonoff -i 2` (etc.), disable all your
    extra processors; then start OP; then reenable them. Does OP continue
    to work? Obviously this isn't a viable way to run a system, I'm just
    trying to figure out if the problem is pervasive, or if there's just one
    small hump to get over.
    >Bela<
    Bela Lubkin Guest

  2. #2

    Default Re: SMP issue, OSR 507, Office Portfolio


    "Bela Lubkin" <belalsco.com> wrote in message
    news:20030813023421.GM24551sco.com...
    > Roger Cornelius wrote:
    >
    > > We have been successfully running SCO Office Portfolio for the last
    > > several years as we have upgraded UNIX/OpenServer from 3.2v4.2 to the
    > > current OSR 5.0.7. Starting with about 5.0.2 (I think) OP would no
    > > longer run if we had the SMP software installed. OP would fail with the
    > > message:
    > >
    > > MV wiockeys() failed! Can't register hotkeys
    > >
    > > This is actually the message I get with 5.0.7 but it is the same or
    > > similar as previous OS versions. Since sar reports didn't show any
    > > performance bottleneck, I just uninstalled SMP and we ran without it and
    > > OP works fine in that case. We're now in the process of upgrading an
    > > aging server to a new one, which, though we didn't order it, was shipped
    > > with a second processor installed. I tried installing SMP and, not
    > > surprisingly, OP won't run. I know that OP hasn't been supported for
    > > years, but I'd love to be able to use it and the second processor at the
    > > same time. Is there any chance of making it work? On a side note, the
    > > new server has XEON processors. If I can't run OP with SMP, will I be
    > > able to run it with one XEON processor with the osr507up Hyper-Threading
    > > update installed?
    > >
    > > I've run truss against the OP pmiew.rts binary. It forks a new process
    > > which ultimately dies with a segmentation fault. I can provide the
    > > trace if needed.
    >
    > OSR5 `truss` is imperfect; one of its faults is that it sometimes causes
    > a process to SIGSEGV when it would have been fine when run standalone.
    > It's possible the process was going to SIGSEGV by itself, but that's
    > probably an observation artifact.
    >
    > My desktop has a Pentium 4 "2.40C GHz", 800FSB, that supports
    > hyperthreading. I installed OP on it and it fails with the "wiockeys"
    > message on some runs. I actually see three different behaviors:
    > sometimes it hangs, sometimes it fails with "wiockeys", sometimes it
    > starts successfully (with a "Caldaemon process has stopped due to a
    > fatal error\nF1 to clear reminder" complaint). BTW when I say
    > "installed" I actually mean "copied files from a 3.2v4.2 system that
    > once ran OP" -- I don't even know if it works correctly on the original
    > system, and I don't know anything about running, installing or
    > administrating the beast myself.
    >
    > When I `truss`, it usually does the third thing (seems to work).
    >
    > If I disable a CPU (`cpuonoff -i 2`), it usually seems to work (with or
    > without `truss`).
    >
    > I'm doing the `truss` in the `op` shell script,
    >
    > runapp truss -o /tmp/op.truss $OALIB/mvw/pmview.rts -R "$OALIB/oadaemon"
    >
    > instead of:
    >
    > runapp $OALIB/mvw/pmview.rts -R "$OALIB/oadaemon"
    >
    > The variant behavior between truss/no-truss and SMP/disabled strongly
    > implies that this is a timing problem. It's probably forking a child,
    > then assuming some events will occur in a certain sequence which isn't
    > true on an SMP system.
    >
    > Since you know how to install & use OP, you're in a better position to
    > test this...
    >
    > Pathetic idea, but, what if you `cpuonoff -i 2` (etc.), disable all your
    > extra processors; then start OP; then reenable them. Does OP continue
    > to work? Obviously this isn't a viable way to run a system, I'm just
    > trying to figure out if the problem is pervasive, or if there's just one
    > small hump to get over.
    Would lockpid achieve the same results? (Are child processes locked to
    the same CPU as the parent?)

    Bob


    Bob Bailin Guest

  3. #3

    Default Re: SMP issue, OSR 507, Office Portfolio

    Bela Lubkin <belalsco.com> wrote in message news:<20030813023421.GM24551sco.com>...
    > Roger Cornelius wrote:
    >
    > > We have been successfully running SCO Office Portfolio for the last
    > > several years as we have upgraded UNIX/OpenServer from 3.2v4.2 to the
    > > current OSR 5.0.7. Starting with about 5.0.2 (I think) OP would no
    > > longer run if we had the SMP software installed. OP would fail with the
    > > message:
    > >
    > > MV wiockeys() failed! Can't register hotkeys
    > >
    > > This is actually the message I get with 5.0.7 but it is the same or
    > > similar as previous OS versions. Since sar reports didn't show any
    > > performance bottleneck, I just uninstalled SMP and we ran without it and
    > > OP works fine in that case. We're now in the process of upgrading an
    > > aging server to a new one, which, though we didn't order it, was shipped
    > > with a second processor installed. I tried installing SMP and, not
    > > surprisingly, OP won't run. I know that OP hasn't been supported for
    > > years, but I'd love to be able to use it and the second processor at the
    > > same time. Is there any chance of making it work? On a side note, the
    > > new server has XEON processors. If I can't run OP with SMP, will I be
    > > able to run it with one XEON processor with the osr507up Hyper-Threading
    > > update installed?
    > >
    > > I've run truss against the OP pmiew.rts binary. It forks a new process
    > > which ultimately dies with a segmentation fault. I can provide the
    > > trace if needed.
    >
    > OSR5 `truss` is imperfect; one of its faults is that it sometimes causes
    > a process to SIGSEGV when it would have been fine when run standalone.
    > It's possible the process was going to SIGSEGV by itself, but that's
    > probably an observation artifact.
    OK. The 5.0.7 truss seems to have matured a bit from the scotruss I
    got somewhere long ago though.
    > My desktop has a Pentium 4 "2.40C GHz", 800FSB, that supports
    > hyperthreading. I installed OP on it and it fails with the "wiockeys"
    > message on some runs. I actually see three different behaviors:
    > sometimes it hangs, sometimes it fails with "wiockeys", sometimes it
    > starts successfully (with a "Caldaemon process has stopped due to a
    > fatal error\nF1 to clear reminder" complaint). BTW when I say
    > "installed" I actually mean "copied files from a 3.2v4.2 system that
    > once ran OP" -- I don't even know if it works correctly on the original
    > system, and I don't know anything about running, installing or
    > administrating the beast myself.
    >
    > When I `truss`, it usually does the third thing (seems to work).
    >
    > If I disable a CPU (`cpuonoff -i 2`), it usually seems to work (with or
    > without `truss`).
    >
    > I'm doing the `truss` in the `op` shell script,
    >
    > runapp truss -o /tmp/op.truss $OALIB/mvw/pmview.rts -R "$OALIB/oadaemon"
    >
    > instead of:
    >
    > runapp $OALIB/mvw/pmview.rts -R "$OALIB/oadaemon"
    >
    > The variant behavior between truss/no-truss and SMP/disabled strongly
    > implies that this is a timing problem. It's probably forking a child,
    > then assuming some events will occur in a certain sequence which isn't
    > true on an SMP system.
    >
    > Since you know how to install & use OP, you're in a better position to
    > test this...
    >
    > Pathetic idea, but, what if you `cpuonoff -i 2` (etc.), disable all your
    > extra processors; then start OP; then reenable them. Does OP continue
    > to work? Obviously this isn't a viable way to run a system, I'm just
    > trying to figure out if the problem is pervasive, or if there's just one
    > small hump to get over.
    I'm also doing the truss in the op script, but in the runapp function
    itself. Essentially the same as what you're doing.

    This is an IBM x345 server with two XEON 2.67ghz processors. With the
    second cpu active, I am unable to get op to start successfully at all
    using truss or no. After more testing, op does hang occasionally
    instead of printing the "wiockeys" message. The majority of times I
    get the message though.

    If I switch the second cpu off, I no longer get the "wiockeys"
    message. Instead, op just clears the screen and then exits with a 0
    status. If I capture the output, I see it actually spits out a bunch
    of terminal control codes. This happens consistently - I ran a loop
    of 50 iterations of "op; sleep 3" and each one behaved this way.
    Still no successful starts.

    Do you have any other suggestions?
    Roger Cornelius Guest

  4. #4

    Default Re: SMP issue, OSR 507, Office Portfolio

    Bob Bailin wrote:
    > "Bela Lubkin" <belalsco.com> wrote in message
    > news:20030813023421.GM24551sco.com...
    > > Pathetic idea, but, what if you `cpuonoff -i 2` (etc.), disable all your
    > > extra processors; then start OP; then reenable them. Does OP continue
    > > to work? Obviously this isn't a viable way to run a system, I'm just
    > > trying to figure out if the problem is pervasive, or if there's just one
    > > small hump to get over.
    >
    > Would lockpid achieve the same results? (Are child processes locked to
    > the same CPU as the parent?)
    I think only the one process is locked; I'm pretty sure I've tested that
    both fork() and exec() unlock it. Also, the `lockpid` command wouldn't
    really help for this because the failure is immediate, and `lockpid`
    operates on a PID. You would want a `lockcmd` command that started the
    process and immediately locked it.

    Doesn't matter, it's just for test purposes. And Roger says it didn't
    help enough on his system.
    >Bela<
    Bela Lubkin Guest

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