Patch-ID# 101021-02 Keywords: ufs umount nfs mount iget inode cache dup ialloc panic Synopsis: SunOS 4.1.2: umount on exported filesys panics the kernel. Date: Jan/14/94 Special Note: The 4.1.3 support in this patch has been obsoleted by patch 100988-04 or higher rev. SunOS release: 4.1.2 Unbundled Product: Unbundled Release: BugId's fixed with this patch: 1078521 1103986 1115612 Changes incorporated in this version: 1115612 Architectures for which this patch is available: sun4, sun4c, sun4m Patches which may conflict with this patch: 100727 Other patches this accumulates and obsoletes: Obsoleted by: Files included with this patch: README vfs.o ufs_vfsops.o ufs_alloc.o (sun4m only) Problem Description: BugID 1118195 panic: ifree: freeing free inode.(side effect) BugID 1078521 panic: dup ialloc BugID 1106986 panic: umount on exported filesys BugID 1115612 panic: alloccgblk: can't find blk in cyl occured during LADDIS Benchmark run (sun4m only) Install Instructions: For SunOS 4.1.2 --------------------- AS ROOT: save FCS version of the file mv /sys/`arch -k`/OBJ/vfs.o /sys/`arch -k`/OBJ/vfs.o.FCS mv /sys/`arch -k`/OBJ/ufs_vfsops.o /sys/`arch -k`/OBJ/ufs_vfsops.o.FCS # # sun4m only # mv /sys/`arch -k`/OBJ/ufs_alloc.o /sys/`arch -k`/OBJ/ufs_alloc.o.FCS 2. copy the patch cp /vfs.o /sys/`arch -k`/OBJ/vfs.o cp /ufs_vfsops.o /sys/`arch -k`/OBJ/ufs_vfsops.o # # sun4m only # cp /ufs_alloc.o /sys/`arch -k`/OBJ/ufs_alloc.o 3. Rebuild the kernel and reboot the system with the new kernel.