Red Hat Bugzilla – Bug 138346
unable to connect to the server using console port
Last modified: 2007-11-30 17:06:54 EST
From Bugzilla Helper: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) Description of problem: Hi, trying to connect to the linux server using console port, but it does work. console port is managed by agetty and it is started using following command in inittab S1:12345:respawn:/sbin/agetty -t 60 -L ttyS1 19200 when i try to check the process with ps command i dont find the porcess. tried running on command line #strace -o /tmp/output /sbin/agetty -t 60 -L ttyS1 19200 i observe the following error message ioctl(0, 0x5401, {B19200 -opost -isig -icanon -echo ...}) = 0 chown32(0xbffffa42, 0, 0) = 0 chmod("ttyS1", 0600) = 0 getpid() = 24595 ioctl(0, 0x5410, [24595]) = -1 ENOTTY (Inappropriate ioctl for dev ice) ioctl(0, 0x540b, 0x2) = 0 ioctl(0, 0x5402, {B19200 -opost -isig -icanon -echo ...}) = 0 fcntl64(0, 0x3, 0, 0xcbe) = 34818 fcntl64(0, 0x4, 0x8002, 0xbffffa42) = 0 alarm(60) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 nanosleep({1, 0}, {1, 0}) = 0 ioctl(0, 0x540b, 0) = 0 uname({sys="Linux", node="nmhost01", ...}) = 0 write(1, "\r\n", 2) = 2 open("/etc/issue", O_RDONLY|O_LARGEFILE) = 3 ioctl(0, 0x5403, {B19200 opost -isig -icanon -echo ...}) = -1 EINTR (Interrupted system call) --- SIGALRM (Alarm clock) --- +++ killed by SIGALRM +++ Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. run manually 2. init q 3. no logs Additional info:
When you don't see the agetty process running, what does '/sbin/fuser -uv /dev/ttyS1' say when run as root?
as it is critical, i restarted the machine and it worked, thanks for the help
Since there are insufficient details provided in this report for us to investigate the issue further, and we have not received the feedback we requested, we will assume the problem was not reproduceable or has been fixed in a later update for this product. Users who have experienced this problem are encouraged to upgrade to the latest update release, and if this issue is still reproduceable, please contact the Red Hat Global Support Services page on our website for technical support options: https://www.redhat.com/support If you have a telephone based support contract, you may contact Red Hat at 1-888-GO-REDHAT for technical support for the problem you are experiencing.