[screen-devel] [bug #33228] screen freezes in FreeBSD

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?33228>

                 Summary: screen freezes in FreeBSD
                 Project: GNU Screen
            Submitted by: None
            Submitted on: Wed 04 May 2011 01:38:43 PM UTC
                Category: Crash/Freeze/Infloop
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.3
           Fixed Release: None
         Planned Release: None
           Work Required: None

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Details:

Hi,

we have this problem on at least two machines, starting screen without any
options causes it to hang after displaying the welcome text. "[Press Space or
Return to end.]"

Only way out is to kill it from another terminal.

If you start it with any options like  
screen -t title
screen  bash
screen -fn  etc then it works no problem, it only hangs when there are no
options.

OS:  8.2-RELEASE FreeBSD 8.2-RELEASE #0
screen version: Screen version 4.00.03 (FAU) 23-Oct-06

When I run truss I get lots of errors like this:


sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0)
sigprocmask(SIG_SETMASK,0x0,0x0)                 = 0 (0x0)
getdtablesize(0x0,0x7fffffffeb70,0x7fffffffeb80,0x800c3a8b0,0x0,0x0) = 11095
(0x2b57)
close(11094)                                     ERR#9 'Bad file descriptor'
close(11093)                                     ERR#9 'Bad file descriptor'
close(11092)                                     ERR#9 'Bad file descriptor'
close(11091)                                     ERR#9 'Bad file descriptor'
close(11090)                                     ERR#9 'Bad file descriptor'
.
.

close(4)                                         ERR#9 'Bad file descriptor'
close(3)                                         ERR#9 'Bad file descriptor'
__sysctl(0x7fffffffded0,0x2,0x800c31cc8,0x7fffffffdec8,0x0,0x0) = 0 (0x0)
__sysctl(0x7fffffffddf0,0x2,0x7fffffffdd80,0x7fffffffdde8,0x800aff620,0xc) = 0
(0x0)
__sysctl(0x7fffffffdd80,0x2,0x800c31ed0,0x7fffffffde48,0x0,0x0) = 0 (0x0)
readlink("/etc/malloc.conf",0x7fffffffdef0,1024) ERR#2 'No such file or
directory'


and these every 15 seconds :

SIGNAL 14 (SIGALRM)
                                                    
sigsuspend(0x7fffffffe3a0,0x0,0x7fffffffe3a0,0x0,0xffff8000005546c4,0x7fffffffe12c)
ERR#4 'Interrupted system call'
                                                                              
                                                                              
         
sigreturn(0x7fffffffdf50,0x10006,0x7fffffffdf50,0x2,0xffff8000005546c4,0x7fffffffe12c)
ERR#4 'Interrupted system call'
                                                                              
                                  setitimer(0,{0.000000, 0.000000 },{0.000000,
0.000000 }) = 0 (0x0)
      kill(3815,0)                                       = 0 (0x0)
                                                                 
sigaction(SIGALRM,{ 0x423ed0 0x0 ss_t },{ 0x423ed0 0x0 ss_t }) = 0 (0x0)
                                                                              
                                                          
setitimer(0,{0.000000, 15.000000 },{0.000000, 0.000000 }) = 0 (0x0)
                                sigprocmask(SIG_BLOCK,0x0,0x0)                  
 = 0 (0x0)











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