kern/77353: grow SysV IPC kernel limits
Devon H. O'Dell
dodell at sitetronics.com
Fri Feb 11 04:40:28 PST 2005
The following reply was made to PR kern/77353; it has been noted by GNATS.
From: "Devon H. O'Dell" <dodell at sitetronics.com>
To: Robert Millan <rmh at debian.org>
Cc: FreeBSD-gnats-submit at FreeBSD.org
Subject: Re: kern/77353: grow SysV IPC kernel limits
Date: Fri, 11 Feb 2005 13:36:20 +0100
On Fri, 2005-02-11 at 13:23 +0100, Robert Millan wrote:
> On Fri, Feb 11, 2005 at 11:21:54AM +0100, Devon H. O'Dell wrote:
> > > --- src/sys/i386/conf/GENERIC~ 2005-02-01 21:44:25.000000000 +0100
> > > +++ src/sys/i386/conf/GENERIC 2005-02-01 21:47:12.000000000 +0100
> > > @@ -49,8 +49,14 @@
> > > options SCSI_DELAY=15000 # Delay (in ms) before probing SCSI
> > > options KTRACE # ktrace(1) support
> > > options SYSVSHM # SYSV-style shared memory
> > > +options SHMMAXPGS=4096
> > > +options SHMSEG=256
> > > options SYSVMSG # SYSV-style message queues
> > > options SYSVSEM # SYSV-style semaphores
> > > +options SEMMNI=256
> > > +options SEMMNS=512
> > > +options SEMMNU=256
> > > +options SEMMAP=256
> > > options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extension
> > > s
> > > options KBD_INSTALL_CDEV # install a CDEV entry in /dev
> > > options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
> >
> > If I'm not mistaken, these can be set as sysctls. Take a look at the
> > kern.ipc MIB.
>
> You mean in runtime? IIRC, some of the kern.ipc sysctl variables are not
> writable. Am I missing something?
>
Correct, but I believe they can still be set in /etc/boot.conf simply by
specifying:
MIB_NAME="VALUE"
--Devon
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