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Note what to do in the rare case that dirent system calls fail because 

of > 32 bit offset cookies: point to the mount_nfs -X option (or -2
option).
This commit is contained in:
fvdl 1997-10-19 15:03:15 +00:00
parent 57417153bd
commit 3b90a0ef5e
3 changed files with 53 additions and 3 deletions
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18
share/man/man8/compat_linux.8
View File

@ -1,4 +1,4 @@
.\" $NetBSD: compat_linux.8,v 1.7 1997/04/29 16:16:40 perry Exp $
.\" $NetBSD: compat_linux.8,v 1.8 1997/10/19 15:03:15 fvdl Exp $
.\"
.\" Copyright (c) 1995 Frank van der Linden
.\" All rights reserved.
@ -359,3 +359,19 @@ The information about Linux distributions may become outdated.
.Pp
Pathnames pointed to by symbolic links are not looked up in the
shadow root when running a Linux executable. This is not consistent.
.Pp
Linux executables can not handle directory offset cookies > 32 bits.
Should such an offset occur, you will see the message "linux_getdents:
dir offset too large for emulated program". Currently, this can only
happen on NFS mounted filesystems, mounted from servers that return
offsets with information in the upper 32 bits. These errors should
rarely happen, but can be avoided by mounting this filesystem with offset
translation enabled. See the
.Fl X
option to
.Xr mount_nfs 8 .
The
.Fl 2
option to
.Xr mount_nfs 8
will also have the desired effect, but is less preferable.

19
share/man/man8/compat_sunos.8
View File

@ -1,4 +1,4 @@
.\" $NetBSD: compat_sunos.8,v 1.7 1997/02/27 08:05:39 mikel Exp $
.\" $NetBSD: compat_sunos.8,v 1.8 1997/10/19 15:03:16 fvdl Exp $
.\"
.\" Copyright (c) 1984 Theo de Raadt
.\" All rights reserved.
@ -97,3 +97,20 @@ first, where they do not conflict with the standard libraries.
.Sh BUGS
A list of things which fail to work in compatibility mode should
be here.
.Pp
SunOS executables can not handle directory offset cookies > 32 bits.
Should such an offset occur, you will see the message "sunos_getdents:
dir offset too large for emulated program". Currently, this can only
happen on NFS mounted filesystems, mounted from servers that return
offsets with information in the upper 32 bits. These errors should
rarely happen, but can be avoided by mounting this filesystem with offset
translation enabled. See the
.Fl X
option to
.Xr mount_nfs 8 .
The
.Fl 2
option to
.Xr mount_nfs 8
will also have the desired effect, but is less preferable.

19
share/man/man8/compat_svr4.8
View File

@ -1,4 +1,4 @@
.\" $NetBSD: compat_svr4.8,v 1.5 1997/06/08 23:55:26 jonathan Exp $
.\" $NetBSD: compat_svr4.8,v 1.6 1997/10/19 15:03:17 fvdl Exp $
.\"
.\" Copyright (c) 1996 Christos Zoulas
.\" All rights reserved.
@ -145,3 +145,20 @@ and then override with other mounts /emul/svr4/etc and /emul/svr4/dev.
.Sh BUGS
Many system calls are still not emulated. The streams emulation is
incomplete (socketpair does not work yet).
.Pp
Most SVR4 executables can not handle directory offset cookies > 32
bits. More recent ones, compiled for large file support (Solaris 2.6
and up) can. With older programs, you will see the message "svr4_getdents:
dir offset too large for emulated program" when this happens. Currently,
this can only happen on NFS mounted filesystems, mounted from servers
that return offsets with information in the upper 32 bits. These errors
should rarely happen, but can be avoided by mounting this filesystem with
offset translation enabled. See the
.Fl X
option to
.Xr mount_nfs 8 .
The
.Fl 2
option to
.Xr mount_nfs 8
will also have the desired effect, but is less preferable.