bin/94367: [patch] fix `wall: /dev/:0: No such file or directory'
message on shutdown
Dmitry Marakasov
amdmi3 at mail.ru
Sat Mar 11 18:50:37 GMT 2006
>Number: 94367
>Category: bin
>Synopsis: [patch] fix `wall: /dev/:0: No such file or directory' message on shutdown
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Sat Mar 11 18:50:35 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Dmitry Marakasov
>Release: FreeBSD 6.0-RELEASE-p4 i386
>Organization:
>Environment:
System: FreeBSD hades.panopticon 6.0-RELEASE-p4 FreeBSD 6.0-RELEASE-p4 #1: Fri Jan 27 12:07:19 MSK 2006 amdmi3 at hades.panopticon:/usr/obj/usr/src/sys/HADES i386
>Description:
Calling `shutdown -r now` when running X session leads to this strange message on the console:
wall: /dev/:0: No such file or directory
That happens because X.org adds utmp entry with display number (not tty) in ut_line field, so `who` shows this:
amdmi3 ttyp0 Mar 11 17:33 (:0.0)
amdmi3 ttyp1 Mar 11 17:33 (:0.0)
amdmi3 ttyp2 Mar 11 17:33 (:0.0)
amdmi3 :0 Mar 11 17:33
/bin/wall, which is called on shutdown, tries to open /dev/:0 (along with /dev/tty*), and fails. Attached patch silences the warning message produced in this case.
>How-To-Repeat:
having running X session, do `shutdown -r now'
>Fix:
--- wall.patch begins here ---
--- /usr/src/usr.bin/wall/ttymsg.c.orig Fri Oct 11 18:58:34 2002
+++ /usr/src/usr.bin/wall/ttymsg.c Sat Mar 11 21:25:10 2006
@@ -87,7 +87,7 @@
* if not running as root; not an error.
*/
if ((fd = open(device, O_WRONLY|O_NONBLOCK, 0)) < 0) {
- if (errno == EBUSY || errno == EACCES)
+ if (errno == EBUSY || errno == EACCES || errno == ENOENT)
return (NULL);
(void) snprintf(errbuf, sizeof(errbuf), "%s: %s", device,
strerror(errno));
--- wall.patch ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted:
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