1
0
forked from pool/util-linux
Dr. Werner Fink 2014-01-10 13:13:23 +00:00 committed by Git OBS Bridge
parent 21aa5c0ad4
commit 18266d8ec7
3 changed files with 114 additions and 1 deletions

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@ -0,0 +1,101 @@
Even with TTYReset=no it seems with systemd or plymouth the termios
flags become changed from under the first agetty on a serial system
console as the flags are locked.
---
agetty.c | 39 ++++++++++++++++++++++++++++++++-------
1 file changed, 32 insertions(+), 7 deletions(-)
--- term-utils/agetty.c
+++ term-utils/agetty.c 2014-01-10 13:05:50.411075349 +0000
@@ -281,8 +281,9 @@
static char *fakehost;
#ifdef DEBUGGING
+# include "closestream.h"
# ifndef DEBUG_OUTPUT
-# define DEBUG_OUTPUT "/dev/ttyp0"
+# define DEBUG_OUTPUT "/dev/tty10"
# endif
# define debug(s) do { fprintf(dbf,s); fflush(dbf); } while (0)
FILE *dbf;
@@ -320,8 +321,12 @@
#ifdef DEBUGGING
dbf = fopen(DEBUG_OUTPUT, "w");
- for (int i = 1; i < argc; i++)
+ for (int i = 1; i < argc; i++) {
+ if (i > 1)
+ debug(" ");
debug(argv[i]);
+ }
+ debug("\n");
#endif /* DEBUGGING */
/* Parse command-line arguments. */
@@ -473,7 +478,6 @@
if (options.osrelease)
free(options.osrelease);
#ifdef DEBUGGING
- fprintf(dbf, "read %c\n", ch);
if (close_stream(dbf) != 0)
log_err("write failed: %s", DEBUG_OUTPUT);
#endif
@@ -1090,6 +1094,23 @@
{
speed_t ispeed, ospeed;
struct winsize ws;
+ int i;
+
+ for (i = 0; i < 10; i++) {
+ /*
+ * Even with TTYReset=no it seems with systemd or plymouth
+ * the termios flags become changed from under the first
+ * agetty on a serial system console as the flags are locked.
+ */
+ struct termios lock;
+ memset(&lock, 0, sizeof(struct termios));
+ if (ioctl(STDIN_FILENO, TIOCGLCKTRMIOS, &lock) < 0)
+ break;
+ if (!lock.c_iflag && !lock.c_oflag && !lock.c_cflag && !lock.c_lflag)
+ break;
+ debug("termios locked\n");
+ tcsendbreak(STDIN_FILENO, 0); /* 0.25 upto 0.5 seconds */
+ }
if (op->flags & F_VCONSOLE) {
#if defined(IUTF8) && defined(KDGKBMODE)
@@ -1154,9 +1175,6 @@
* later on.
*/
- /* Flush input and output queues, important for modems! */
- tcflush(STDIN_FILENO, TCIOFLUSH);
-
#ifdef IUTF8
tp->c_iflag = tp->c_iflag & IUTF8;
if (tp->c_iflag & IUTF8)
@@ -1216,8 +1234,11 @@
if (op->flags & F_RTSCTS)
tp->c_cflag |= CRTSCTS;
#endif
+ /* Flush input and output queues, important for modems! */
+ tcflush(STDIN_FILENO, TCIOFLUSH);
- tcsetattr(STDIN_FILENO, TCSANOW, tp);
+ if (tcsetattr(STDIN_FILENO, TCSANOW, tp))
+ log_warn(_("setting terminal attributes failed: %m"));
/* Go to blocking input even in local mode. */
fcntl(STDIN_FILENO, F_SETFL,
@@ -1238,6 +1259,10 @@
if (tcsetattr(STDIN_FILENO, TCSADRAIN, tp))
log_warn(_("setting terminal attributes failed: %m"));
+
+ /* Go to blocking input even in local mode. */
+ fcntl(STDIN_FILENO, F_SETFL,
+ fcntl(STDIN_FILENO, F_GETFL, 0) & ~O_NONBLOCK);
}
/* Extract baud rate from modem status message. */

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@ -1,3 +1,12 @@
-------------------------------------------------------------------
Fri Jan 10 13:08:45 UTC 2014 - werner@suse.de
- Add patch
agetty-fooled-on-serial-line-due-plymout.patch
even with TTYReset=no it seems with systemd or plymouth the termios
flags become changed from under the first agetty on a serial system
console as the flags are locked (bnc#774126).
-------------------------------------------------------------------
Tue Dec 10 16:10:27 UTC 2013 - sweet_f_a@gmx.de

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@ -1,7 +1,7 @@
#
# spec file for package util-linux
#
# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
@ -108,6 +108,8 @@ Patch12: util-linux-2.23.1-noenc-suse.diff
Patch13: blkdiscard-BLKSSZGET-fills-in-an-int.patch
# PATCH-FIX-SUSE -- better support of S390 in agetty
Patch14: tty3270-on-serial-line-of-s390.patch
# PATCH-FIX-SUSE -- Let agetty not be fooled by locked termios srtucture
Patch15: agetty-fooled-on-serial-line-due-plymout.patch
# hack for boot.localfs
Patch20: util-linux-HACK-boot.localfs.diff
@ -226,6 +228,7 @@ xzcat %{S:0} | %gpg_verify %{S:12} -
%patch12 -p1
%patch13 -p1
%patch14 -p0
%patch15 -p0
#
%patch20 -p1
#