Date: Thu, 3 Apr 1997 07:51:36 -0800 (PST) From: paul@kryten.woc.atinc.com To: freebsd-gnats-submit@freebsd.org Subject: kern/3186: sys call shm_get() broken in 2.2.1-RELEASE, but OK in 2.1.0-RELEASE Message-ID: <199704031551.HAA28856@freefall.freebsd.org> Resent-Message-ID: <199704031600.IAA29363@freefall.freebsd.org>
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>Number: 3186
>Category: kern
>Synopsis: sys call shm_get() broken in 2.2.1-RELEASE, but OK in 2.1.0-RELEASE
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Apr 3 08:00:01 PST 1997
>Last-Modified:
>Originator: Paul Berner
>Organization:
A&T, Inc.
>Release: 2.2.1-RELEASE & 2.1.0-RELEASE
>Environment:
FreeBSD kiawah.woc.Atinc.COM 2.2.1-RELEASE FreeBSD 2.2.1-RELEASE
#0: Tue Mar 25 15:12:02 GMT 1997 jkh@time.cdrom.com:/usr/src/sys/compile/GENERIC i386
>Description:
Call to shm_get() produces:
Bad system call (core dumped)
>How-To-Repeat:
make this program:
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
int main()
{
key_t key = 6575;
int area_a_id;
#ifndef SHM_R
#define SHM_R 000400
#define SHM_W 000200
#endif
/* set up shared memory regions */
area_a_id = shmget(key, 64*sizeof(double),
IPC_CREAT|SHM_R|SHM_W|(SHM_R>>3)|(SHM_R>>6));
return 0;
}
/* works fine in 2.1.0-R, but cores in 2.2.1-R */
>Fix:
>Audit-Trail:
>Unformatted:
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