CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 e

CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 e

Post by Christopher Stee » Thu, 12 Sep 1996 04:00:00



A01 tricord# lf




fsconf.c        mdevice.mpx     mtune           sfsys           version.h
init.base       mdevice.uni     mtune.bak       stune           vuifile
init.base.sav   mevent          mvdevice        stune.sav       xdevmap
A01 tricord# tail /usr/adm/messages
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded);
lost
 1 items at 988270
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded);
lost
 2 items at 988279
Could someone tell me what the SPTMAP kernel parameter is
used for in Openserver 5.0

  Release Supplement 5.0.0d is installed
  Networking Supplement 1.00 is installed

  Running on a Tricord Server with 4 CPUs and 392 MB RAM

Wed Sep 11 15:10:37 1996
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
 1 items at 988303
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
 2 items at 988314
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
 1 items at 988324
[repeats several more times..]

Thanks
Christopher S*
Micros Systems, Inc

 
 
 

CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 e

Post by Christopher Stee » Thu, 12 Sep 1996 04:00:00


Sorry for the first message.

Could someone tell me what the SPTMAP kernel parameter is
used for in Openserver 5.0

  Release Supplement 5.0.0d is installed
  Networking Supplement 1.00 is installed

  Running on a Tricord Server with 4 CPUs and 392 MB RAM

Wed Sep 11 15:10:37 1996
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
 1 items at 988303
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
 2 items at 988314
CPU4:
CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
 1 items at 988324
[repeats several more times..]

Thanks
Christopher S*
Micros Systems, Inc


 
 
 

CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 e

Post by Bela Lubki » Fri, 13 Sep 1996 04:00:00



> Could someone tell me what the SPTMAP kernel parameter is
> used for in Openserver 5.0

>   Release Supplement 5.0.0d is installed
>   Networking Supplement 1.00 is installed

>   Running on a Tricord Server with 4 CPUs and 392 MB RAM

> Wed Sep 11 15:10:37 1996
> CPU4:
> CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
>  1 items at 988303
> CPU4:
> CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
>  2 items at 988314
> CPU4:
> CPU4: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 exceeded); lost
>  1 items at 988324
> [repeats several more times..]

It's used by one of the kernel memory allocation subsystems.  The
behavior you're seeing suggests that some device driver in your kernel
is allocating many small chunks, then freeing some of them (leaving
holes in the memory map).

You can tune SPTMAP using configure(ADM).  The structure it controls is
small; it won't cost much memory to increase it.  That will fix the
problem if the driver has a high, static memory need.  If you've got a
driver bug where it keeps allocating and deleting memory forever in a
fashion that fragments the map, raising SPTMAP will only delay the
problem.

To pursue this in more detail, you'd need to go to the vendors of your
various drivers.

- Show quoted text -

Quote:>Bela<

 
 
 

1. CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 2

     John,

        I tried to look it up via "man" and had no luck. I incorrectly
        assumed that "man" was the same as online help.

        What is kernel virtual address space and is there anything
        in particular that uses it and would cause it to run out.

     Thanks
     Chris

______________________________ Reply Separator _________________________________
Subject: CONFIG: sptfree - sptmap 0xF02E6824 overflow (SPTMAP = 200 e

Date:    9/12/96 2:29 AM

Christopher,

The online doc says:

      Determines the size of the map entry array used for managing
      kernel virtual address space. The default value is 200; the
      minimum and maximum values are 100 and 500.

Are you aware that you can search all the online doc for the occurance
of any single string?

John

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