Patch-ID# 100198-01 Keywords: shmdt, read-only segment Synosis: SunOS 4.1.1, 4.1: shmdt will not detach a read-only segment Date: 09/Jan/91 SunOS Release: 4.1.1, 4.1 Unbundled Product: Unbundled Release: Topic: BugId's fixed with this patch: 1037052 Architectures for which this patch is available: sun4c, sun4, sun3, sun3x Obsoleted by: SVR4 Problem Description: The shmdt(2) system call fails with EINVAL on attempts to detach a read only segment. INSTALL: where {arch} is one of 4,4c,3,3x # mv /usr/sys/sun{arch}/OBJ/ipc_shm.o /usr/sys/sun{arch}/OBJ/ipc_shm.o.orig # cp sun{arch}/ipc_shm.o /usr/sys/sun{arch}/OBJ/ipc_shm.o Rebuild kernel Reboot with new kernel