SCO Technical Articles released on 20000701

SCO Technical Articles released on 20000701

Post by RadleyRob » Sun, 02 Jul 2000 04:00:00



The following problems are addressed in Technical Articles that appeared
on SCO's web site in the week ending 20000701.

Each problem is preceded by the URL reference to get the relevant article
from the WAIS database at sco.com.

        http://www.sco.com/cgi-bin/ssl_reference?100090
        created 03 Oct 1997
        revised 26 Jun 2000
PROBLEM:  I am unable to get ARCserve to work with SPX or SPXII on SCO
          OpenServer Release 5.0.0, 5.0.2 or 5.0.4.

          The "SCO ARCserve/Open from Cheyenne Documentation/SCO
          ARCserve/Open Client Agent for Netware Installation Guide",
          Chapter 1, "Installing and Using the Client Agent for Netware"
          states:

            Supported Protocols:    SPX, SPXII, and TCP/IP

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        http://www.sco.com/cgi-bin/ssl_reference?100867
        created 04 Sep 1997
        revised 26 Jun 2000
PROBLEM:  The following program, when compiled on SCO UNIX System V/386
          Release 3.2 Version 4.2 (3.2v4.2), runs correctly on SCO UNIX
          Version 4.2 and SCO OpenServer 5.0.0 and 5.0.2.  However, when
          run on SCO OpenServer 5.0.4, the floating point value comparison
          in this program fails.

          If the code is *compiled* and executed on OpenServer 5.0.4, then
          it will work correctly.

          Using SCO XENIX/DOS Cross Development compiler 'xcc' on OpenServer
          5.0.0, 5.0.2, 5.0.4 will also generate a failing binary.

<---------------------------CUT HERE---------------------------------------->

/*
        cc scotest.c -lm -o scotest

        This program will fail if:

        (a) compiled on 3.2v4.2 and run on v5.0.4
        (b) compiled with the XENIX/DOS Cross compiler 'xcc' on v5.0.[024] and
            run on v5.0.4

        This program will succeed if:

        (a) compiled on 3.2v4.2 and run on v5.0.[02]
        (b) re-compiled on any release of SCO OpenServer 5.0.[024]

*/

#include <stdio.h>
#include <math.h>

double mspower(x,y)
double x,y;
{
        double d,ip;

        double floor(),ceil();

        d=(pow(x,y)+0.00000001)*1000000.0;

#if defined (DEBUG)
        printf(" pt1: (%lf)\n",d);
#endif
        ip=(d>0.0)?floor(d):ceil(d);

#if defined (DEBUG)
        printf(" pt2: (%lf)\n",ip);
#endif

return(ip/1000000.0);

}

main()
{
        double test_val;

        test_val=10.0;
        if ( test_val != mspower((double) 10, (double) 1))
                printf(" Values are not equal!\n");
        else
                printf(" Values are equal!\n");

#if defined (DEBUG)
        printf(" Value returned by POW is (%.15f)\n",
                mspower((double) 10, (double) 1));
#endif

}

<---------------------------CUT HERE---------------------------------------->

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        http://www.sco.com/cgi-bin/ssl_reference?100871
        created 19 Nov 1997
        revised 26 Jun 2000
PROBLEM:  When I execute dbXtra or dbxtra from the command line with an "&"
          sign, most components of the interface do not respond.  For example:

                 $ dbXtra&

          displays the "dialog_popup" window; however, when you enter the
          name of an executable file, the file is not displayed in the source
          window.

                 $ dbXtra binary_file&

          If you include the filename as an argument on the command line, the
          file is displayed in the source window, but none of the buttons in
          the sidebar menu function.  Only the "Exit dbXtra" command under
          the File menu bar functions correctly.

                 $ dbxtra&

          - or -

                 $ dbxtra binary_file&

          Executing the dbxtra with or without an argument in the command
          line produces a process id, but the window never appears on the
          screen.  Executing "ps -ef | grep dbxtra" shows the process is
          running.

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        http://www.sco.com/cgi-bin/ssl_reference?104736
        created 26 May 1995
        revised 26 Jun 2000
PROBLEM:  When the machine is rebooted, some of the printers are
          missing and the only way to bring them back is to re-create
          them.

          Alternatively, on trying to add a new printer to the system the
          following message is reported:

             UX:accept: ERROR: Destination "printer" is unknown to the                        LP print service.

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        http://www.sco.com/cgi-bin/ssl_reference?104857
        created 19 Oct 1995
        revised 26 Jun 2000
PROBLEM:  I am trying to log in as a user, or as root in multiuser mode.
          After entering the password, this error message is displayed
          age and the system will not return a prompt:

                No utmp entry.  You must log in from lowest level -sh

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        http://www.sco.com/cgi-bin/ssl_reference?105651
        created 02 Jul 1997
        revised 30 Jun 2000
PROBLEM:  Using the PPP Manager, I select Endpoint-->Add-->Remote Access
          (Incoming) and I get the error:

            Unable add/modify incoming endpoint

          If I click on the "Details..." button, I see more information:

            Unable add/modify incoming endpoint
            Unable to get a list of users
            No method for object {} was found in the class database.
            The object name {} violates the naming rules

          There does not appear to be a way to avoid this error in SCOadmin.

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        http://www.sco.com/cgi-bin/ssl_reference?105690
        created 03 Aug 1997
        revised 26 Jun 2000
PROBLEM:  In versions of SCO OpenServer operating systems prior to Release
          5.0.0, I could use the "-n" option to the ps(C) command to
          determine the booted kernel, or to run ps after relinking but
          before rebooting. For instance, if I relink the kernel, by
          default the current /unix gets moved to /unix.old, and a new
          /unix gets created.  Since the new /unix does not match the
          booted kernel in memory, this message:

                   ps: /unix: not the booted system

          appears when the ps command is run.  However, in SCO OpenServer
          Release 5, the -n option does not seem to work.  On an OpenServer
          5.0.0, 5.0.2, or 5.0.5 system, if I enter the command:

                   ps -n /unix.old

          before relinking, or the command:

                   ps -n /unix

          after relinking but before rebooting, the ps command works in
          both cases.  The same commands on an OpenServer Release 5.0.4
          system result in the error:

                   ps: ERROR: Illegal option -- n

          Why is this so, and what alternative do I have to easily identify
          the booted kernel?

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        http://www.sco.com/cgi-bin/ssl_reference?105698
        created 03 Aug 1997
        revised 28 Jun 2000
PROBLEM:  I am experiencing one of the following problems:

          1. Certain network services are not functioning as expected. Some
          seem to see the parameters I updated through inconfig, and others
          do not.

          2. I noticed the symbolic link for /etc/default/inet is broken.

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        http://www.sco.com/cgi-bin/ssl_reference?105763
        created 18 Sep 1997
        revised 28 Jun 2000
PROBLEM:  Kernel rebuild fails after installing an IBM Auto 16/4 Token Ring
          network card with IPX only. Errors during kernel relink are:

            - undefined symbol ntohs

            - first referenced in file
              /var/opt/K/SCO/link/1.1.0Eb/etc/conf/pack.d/tok/Driver.o

            - i386ld fatal: Symbol referencing errors. No output written
              to unix.

            - idbuild: idmkunix had errors

            - System build failed

            - Press Enter to continue

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        http://www.sco.com/cgi-bin/ssl_reference?105819
        created 04 Nov 1997
        revised 26 Jun 2000
PROBLEM:  I am experiencing one (or both) of the following problems:

          1. I am trying to add COM2 via Scoadmin/Hardware. I have checked
          the cmos to see that it is enabled prior to entering Scoadmin. The
          procedure appears to go fine. I choose to relink and a screen
          returns saying that COM2 has been added successfully, and to press
          <Enter> to continue. I press <Enter> but the system is hung. I am
          forced to hit the reset button. Upon bootup it would appear that
          COM2 has been added successfully.

          2. I use mkdev serial in a character screen, and it hangs after
          displaying the information for COM1. It seems to be searching
          endlessly for something.

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        http://www.sco.com/cgi-bin/ssl_reference?107637
        created 19 Nov 1996
        revised 28 Jun 2000
PROBLEM:  rcmd(TC) and rcp(TC) can fail when transferring data through a
          router or gateway. rcmd(TC) will hang while rcp(TC) will display
          the following message:

                rcp: lost connection

          There are no STREAMS failures reported by netstat(TC) -m.
          Other network utilities, such as telnet(TC) and FTP(TC),
          may also fail.

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        http://www.sco.com/cgi-bin/ssl_reference?109310
        created 28 Apr 1998
        revised 27 Jun 2000
PROBLEM:  I have an SCO OpenServer system that is experiencing
          one of the two following problems:

          1. The system panics but does not save a valid dump, either due to
             insufficient swap/dump space or some other source corruption.

          2. The system hangs and does not provide any information on the
             cause of the hang.

          NOTE: If the system is producing a valid dump, you won't need to
          follow the instructions below; instead see TA105619, "Panic/Crash
          Analysis if a dump is available".

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        http://www.sco.com/cgi-bin/ssl_reference?109595
        created 13 Aug 1998
        revised 28 Jun 2000
PROBLEM:  What issues does Support Level Supplement (SLS) ptf7016m, the
          UnixWare 7.0.0 mem Driver and VM Subsystem Supplement, resolve?

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        http://www.sco.com/cgi-bin/ssl_reference?109648
        created 16 Sep 1998
        revised 26 Jun 2000
PROBLEM:  Running the command newaliases(ADMN) results in these error
          messages:

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        http://www.sco.com/cgi-bin/ssl_reference?109737
        created 04 Nov 1998
        revised 28 Jun 2000
PROBLEM:  I have configured my remote network printer in Printer Manager
          without errors. I am able to print and "lpstat -t" lists my network
          printer. However, when I go back into Printer Manager, my network
          printer is not listed. If I configure local printers
          (serial/parallel) first, configure a network printer with lpd,
          exit and re-enter Printer Manager, all printers are listed except
          the lpd printer.

          If an lpd printer is the first printer configured with Printer
          Manager, it and all subsequent printers will not be listed when
          re-entering Printer Manager. All printers configured after lpd have
          been used and are not listed when re-entering Printer Manager.

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        http://www.sco.com/cgi-bin/ssl_reference?109759
        created 13 Nov 1998
        revised 26 Jun 2000
PROBLEM:  When I have "idle=1" set in /etc/ppphosts, the PPP link drops
          even when I have networking traffic moving across the link.

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        http://www.sco.com/cgi-bin/ssl_reference?109783
        created 23 Nov 1998
        revised 28 Jun 2000
PROBLEM:  Attempting to install Support Level Supplement (SLS) OSS495A, the
          OSRcompat Patch, using the command:

                # pkgadd -d /tmp/oss495a

          results in the error message:

                ERROR: oss495 - OSRcompat Supplement
                is intended for SCO OpenServer Release 5 systems.
                It cannot be installed on other systems.

                Press enter to quit...
                pkgadd: ERROR: request script did not complete successfully

                Installation of <oss495> failed.
                No changes were made to the system.

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        http://www.sco.com/cgi-bin/ssl_reference?109820
        created 07 Dec 1998
        revised 29 Jun 2000
PROBLEM:  How can I discard queued data when closing a socket? Will
          shutdown(SSC) flush this data from the socket?

          Even using shutdown(SSC) to shut down both the read-half and
          write-half of the socket connection will not totally discard
          all the queued data.

          For example, shutdown(sockfd, 2) will result in:

                * closure of the read-half of the socket
                * no more data can be received
                * any data in the receive buffer is discarded
                * closure of the write-half of the socket
                * no further data can be sent
                * any data currently in send buffer will
                  attempt to be delivered

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        http://www.sco.com/cgi-bin/ssl_reference?109953
        created 05 Feb 1999
        revised 30 Jun 2000
PROBLEM:  Some NIS functions such as /etc/yp/map2ascii fail with the error:

             Cannot lock password file

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        http://www.sco.com/cgi-bin/ssl_reference?110003
        created 06 Mar 1999
        revised 26 Jun 2000
PROBLEM:  After installing Support Level Supplement (SLS) OSS471C, and
          rebooting the system, the following message is displayed on the
          console:

             UX: P6 update: Error: cannot bind to processor 1

          The system continues to boot without further incident and
          appears stable.

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        http://www.sco.com/cgi-bin/ssl_reference?110028
        created 16 Mar 1999
        revised 26 Jun 2000
PROBLEM:  Merge locks up when I cut and paste a cell in an Excel spreadsheet.

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        http://www.sco.com/cgi-bin/ssl_reference?110040
        created 23 Mar 1999
        revised 30 Jun 2000
PROBLEM:  The check_rcpt ruleset in the sendmail.cf configuration file for
          UnixWare 7.0.0, 7.0.1, or 7.1.0 may be used to prevent your machine
          from being used as an SMTP relay.  It prevents spammers from
          making their mail appear as if it comes from your site.  By default,
          this feature is disabled on UnixWare 7.0.0 and 7.0.1, but is enabled
          by default on 7.1.0.

          A problem in this feature prevents a local SMTP connection from
          sending outgoing mail.  That is, if you make a connection to the
          SMTP server from the same network on which the server resides, you
          will not be able to send a message to another machine.  The SMTP
          dialog will be dropped with the error message:

              Relay mail from localhost to recipient.host.name denied

          where "recipient.host.name" is the name of the remote host to
          which the mail is addressed.

          An example of this is if you have the Netscape Communicator or
          Navigator Messenger Mailbox configured with the local host as the
          "Outgoing mail (SMTP) server."  In this case, the Netscape mail
          user agent makes a direct SMTP connection to the local host to
          send outgoing mail, which will fail with the above error message.

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        http://www.sco.com/cgi-bin/ssl_reference?110106
        created 05 May 1999
        revised 26 Jun 2000
PROBLEM:  What issues does Support Level Supplement (SLS) ptf7413l, the
          UnixWare 7.1.0 VM Subsystem Supplement, resolve?

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        http://www.sco.com/cgi-bin/ssl_reference?110114
        created 07 May 1999
        revised 26 Jun 2000
PROBLEM:  What issues have been addressed by Support Level Supplement (SLS)
          ptf7401j, the In-Kernel Sockets Supplement?

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        http://www.sco.com/cgi-bin/ssl_reference?110116
        created 07 May 1999
        revised 26 Jun 2000
PROBLEM:  Does UnixWare 7.1.0 provide the functionality needed for systems
          with CPUs that support fxsave and fxstor?

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        http://www.sco.com/cgi-bin/ssl_reference?110203
        created 10 Jun 1999
        revised 26 Jun 2000
PROBLEM:  What issues have been addressed by Support Level Supplement (SLS)
          ptf7414b, the libc Supplement for UnixWare 7.1.0?

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        http://www.sco.com/cgi-bin/ssl_reference?110237
        created 28 Jun 1999
        revised 29 Jun 2000
PROBLEM:  My system does not install for the following reasons:

          - An HBA driver uses a maximum transfer size that is less than
          128KB (for example, an IBM "ips" driver supporting the IBM
          ServeRAID HBA).

          - A memory address conflict between a device and the "pcic" memory
          address range of d0000 to dffff results in a red screen at the end
          of system installation. This screen reports the memory conflict and
          the failure of the kernel relink.

          - The Symbios C8xx driver incorrectly loads on port 1 of the
          Compaq 64-Bit Dual Channel Wide Ultra2 SCSI controller.

          - An abort occurs when attempting an install with SLS ptf7425a
          on a system with a Mylex HBA.

          - A page fault PANIC results when trying to boot UnixWare 7.1.0
            on some Intel machines.

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        http://www.sco.com/cgi-bin/ssl_reference?110243
        created 29 Jun 1999
        revised 26 Jun 2000
PROBLEM:  I am experiencing one or more of the following conditions:

          - Logging in over a modem using cu(1bnu) on UnixWare 7.1.0 fails.

          - In rare occurrences, t_bind will succeed but return the address
            with the family incorrectly set.

          - An infinite sleep loop occurs in NIS.

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        http://www.sco.com/cgi-bin/ssl_reference?110257
        created 06 Jul 1999
        revised 30 Jun 2000
PROBLEM:  UnixWare 7 Release 7.1.0 experiences one or more of the following
          problems:

             - System hangs during failover testing.
             - sd01Reserve in sd01.c reserves wrong disk.
             - System hangs during MPIO dual path failover test.
             - System hangs while attempting system dump on UnixWare 7.1.0.
             - Building KMA_PARANOID results in data corruption in SDI, sd0
               (ptf7419c or later is needed for complete solution to this
               problem).
             - Memory leak occurs related to vtoc open.
             - Emergency recovery disks cannot be created after ptf7036c
               applied.
             - System's sd01strat1() path does not recognize retry code.
             - sd01getalts() could allow kernel memory abuse.

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        http://www.sco.com/cgi-bin/ssl_reference?110502
        created 15 Sep 1999
        revised 26 Jun 2000
PROBLEM:  I know my system has more than one CPU; what can I check on my
          UnixWare 7 system to see if they are all being used?

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        http://www.sco.com/cgi-bin/ssl_reference?110513
        created 22 Sep 1999
        revised 28 Jun 2000
PROBLEM:  When I create a filesystem through the VERITAS Volume Manager,
          I don't see options for large files support, or for using a
          non-default block size.

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        http://www.sco.com/cgi-bin/ssl_reference?110527
        created 04 Oct 1999
        revised 26 Jun 2000
PROBLEM:  Installation of Windows 95 (OSR 2.x) fails to install or run
          under SCO Merge 4.1.1 on a system that has SMP or OSMP support
          enabled.

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        http://www.sco.com/cgi-bin/ssl_reference?110614
        created 10 Nov 1999
        revised 26 Jun 2000
PROBLEM:  The libmas.so library uses the obsolete sys_nerr/sys_errlist
          mechanism rather than strerror().

          sys_nerr/sys_errlist is only defined in the archive part of libc
          (/usr/ccs/lib/libc.so) and not in the dynamic part of libc
          (/usr/lib/libc.so.1).

          As a result, it is not visible to dynamic libraries that have been
          dlopen'd, which is the case with Java native methods.

          Errors similar to this may be seen:

               sysAddDLSegment: dynamic linker: /usr/java/bin
               ../bin/x86at/green_threads/java:
               relocation error: symbol not found: sys_nerr; referenced from:
               /usr/lib/libmas.so (./libDiskUsage.so)
               Can't find class test

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        http://www.sco.com/cgi-bin/ssl_reference?110716
        created 28 Dec 1999
        revised 26 Jun 2000
PROBLEM:  Buffer overflows in ppp options can allow increased privileges.

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        http://www.sco.com/cgi-bin/ssl_reference?110752
        created 14 Jan 2000
        revised 26 Jun 2000
PROBLEM:  ping can hang and never time out.

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        http://www.sco.com/cgi-bin/ssl_reference?110843
        created 28 Feb 2000
        revised 29 Jun 2000
PROBLEM:  Using the TCP/IP socket I/O function:

            getsockopt(sock,SOL_SOCKET,SO_ERROR,&errval,&len_errval)

          in order to determine the status of an asynchronous connection
          returns undocumented or incorrect values. Under SCO UnixWare 2.1.3,
          the value in "errval" is 99 [ENOPROTOOPT] when the connection is
          ready to use, which is incorrect.

          Further, if the connection fails (after a timeout), the
          getsockopt() function under both UnixWare 7.x and SCO UnixWare 2.1.3
          will return 32 [EPIPE] which has the side effect of killing the
          process unless a signal handler is in place.

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        http://www.sco.com/cgi-bin/ssl_reference?111005
        created 25 Apr 2000
        revised 29 Jun 2000
PROBLEM:  When I change the IP address in netcfg, not all of the files
          containing the IP address get updated. What additional files
          need to be checked after running netcfg?

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        http://www.sco.com/cgi-bin/ssl_reference?111048
        created 12 May 2000
        revised 26 Jun 2000
PROBLEM:  Can I assign a pseudo tty port to a specific terminal or PC so that
          users can telnet or log in to a specific assigned port?

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        http://www.sco.com/cgi-bin/ssl_reference?111062
        created 15 May 2000
        revised 26 Jun 2000
PROBLEM:  If I connect to my OpenServer Netscape Administration Server with
          either my Navigator or Communicator Browser, for example:

                http://<your server name>:620

          (or as root, start SCOadmin => Netscape => Netscape FastTrack Server)

          the menu options:

                Install a new Netscape FastTrack Server
                Remove a server from this machine
                Configure Administration

          are shown on screen, but do not do anything when I click on them.
          No error messages are seen. Is my server installed properly?

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        http://www.sco.com/cgi-bin/ssl_reference?111074
        created 19 May 2000
        revised 26 Jun 2000
PROBLEM:  Some of the commands that should work in scodb(ADM) do not execute.
          Instead, the error message is displayed:

               expected expression

          Some examples of these commands are "sysdump" and "ps".

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        http://www.sco.com/cgi-bin/ssl_reference?111101
        created 31 May 2000
        revised 27 Jun 2000
PROBLEM:  What is Support Level Supplement (SLS) ptf7139a, the UnixWare
          7.1.1 eeE Driver Supplement?

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        http://www.sco.com/cgi-bin/ssl_reference?111123
        created 05 Jun 2000
        revised 26 Jun 2000
PROBLEM:  Setting the kernel parameter "STRMSGSZ" to a value of 65536 causes
          scologin to hang.

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        http://www.sco.com/cgi-bin/ssl_reference?111125
        created 07 Jun 2000
        revised 26 Jun 2000
PROBLEM:  According to the manual page for ps(C), the command "ps -p <PID>",
          where <PID> is the process ID of an active process, lists the
          status of only this process ID.  If the process in fact does not
          exist, a blank line of output is displayed.

          However, on a multiprocessor system with SCO Symmetrical
          Multiprocessing (SMP) installed, from time to time "ps -p <PID>"
          returns blank lines of output even when <PID> is known to be
          the process ID of an active process.

          The -p option to ps(C) seems to be a very useful way to
          monitor the existence of processes; if I use it as part of a
          "keepalive" method to ensure that important daemons are
          always running, the above problem can be a serious one on
          my system.

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        http://www.sco.com/cgi-bin/ssl_reference?111127
        created 07 Jun 2000
        revised 26 Jun 2000
PROBLEM:  When users telnet into my UnixWare 7 system, they don't see the
          contents of the /etc/issue file before the login prompt as they
          would from the system console. How can I add this functionality
          for telnet connections?

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        http://www.sco.com/cgi-bin/ssl_reference?111141
        created 13 Jun 2000
        revised 26 Jun 2000
PROBLEM:  Basic troubleshooting of Tarantella issues.

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        http://www.sco.com/cgi-bin/ssl_reference?111144
        created 15 Jun 2000
        revised 28 Jun 2000
PROBLEM:  The pkgadd utility hangs when any package is being added after
          Initial System Load (ISL). The last line displayed is "Using </>
          as the package base directory.", after which the session hangs,
          and the pkgadd process may be terminated using the Delete key.

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        http://www.sco.com/cgi-bin/ssl_reference?111145
        created 15 Jun 2000
        revised 28 Jun 2000
PROBLEM:  I have multiple modems set up for incoming connections. When a
          call ends, the modems are not properly reset to answer calls.
          Also, ttymon sometimes appears to hang.

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        http://www.sco.com/cgi-bin/ssl_reference?111162
        created 21 Jun 2000
        revised 28 Jun 2000
PROBLEM:  Where can I get a newer version of sendmail for UnixWare 7?

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        http://www.sco.com/cgi-bin/ssl_reference?111163
        created 21 Jun 2000
        revised 28 Jun 2000
PROBLEM:  If the kernel is relinked on a UnixWare 7 NSC system with the
          idbuild(1M) command then, on the subsequent shutdown, the
          idcpunix(1M) command is called automatically to save the previous
          kernel and put the new one in place in the /stand/x directories
          (where x is the node number).  The previous one should be archived
          as unix.old.

          However, on an NSC system with Online System Upgrade volume (OSU)
          defined at NSC install time this does not occur.  The new kernel
          is correctly put in place but the old one is not archived, which
          could lead to problems if it is ever necessary to try to boot
          from the previous kernel.

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        http://www.sco.com/cgi-bin/ssl_reference?111164
        created 21 Jun 2000
        revised 28 Jun 2000
PROBLEM:  While installing a dependent node to add to a NonStop Cluster (NSC),
          the SCOadmin License Manager is called and requires the addition of
          both a UnixWare 7 operating system license and an NSC Server bump
          for this node (only for dependent nodes).

          Both licenses are accepted but on addition of the NSC Server
          license, the license manager reports that the following license
          has been successfully added:

             0 additional CPUs

          instead of recognizing the license as "NonStop Clusters 3-6 node
          bump" (for example).