ru.unix.bsd

 
 - RU.UNIX.BSD ------------------------------------------------------------------
 From : Eugene Grosbein                      2:5006/1       23 May 2003  17:02:57
 To : All
 Subject : pty problem
 -------------------------------------------------------------------------------- 
 

 
 Кто-нибудь знает, что за фигня иногда начинает творится на
 FreeBSD 4.8-STABLE (замечалось и раньше немного) с pty:
 
 1) screen вылетает сразу после старта, в зависимости от настроек
 может успеть написать:
 
 fgtty: Inappropriate ioctl for device
 
 Hо быстро затирает это сообщение.
 
 Вот конец ktrace:
 
  37390 screen   CALL  lstat(0x8077f78,0xbfbff8b4)
  37390 screen   NAMI  "/tmp/screens"
  37390 screen   RET   lstat -1 errno 2 No such file or directory
  37390 screen   CALL  mkdir(0x8077f78,0x1ed)
  37390 screen   NAMI  "/tmp/screens"
  37390 screen   RET   mkdir 0
  37390 screen   CALL  access(0x8084920,0)
  37390 screen   NAMI  "/tmp/screens/S-eu"
  37390 screen   RET   access -1 errno 2 No such file or directory
  37390 screen   CALL  mkdir(0x8084920,0x1c0)
  37390 screen   NAMI  "/tmp/screens/S-eu"
  37390 screen   RET   mkdir 0
  37390 screen   CALL  chown(0x8084920,0,0)
  37390 screen   NAMI  "/tmp/screens/S-eu"
  37390 screen   RET   chown 0
  37390 screen   CALL  stat(0x8084920,0xbfbff8b4)
  37390 screen   NAMI  "/tmp/screens/S-eu"
  37390 screen   RET   stat 0
  37390 screen   CALL  umask(0x12)
  37390 screen   RET   umask 0
  37390 screen   CALL  __sysctl(0xbfbff40c,0x2,0x8084fe0,0xbfbff408,0,0)
  37390 screen   RET   __sysctl 0
  37390 screen   CALL  sigaction(0x1,0xbfbff3e4,0xbfbff3fc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  fork
  37390 screen   RET   fork 37392/0x9210
  37390 screen   CALL  setgid(0)
  37390 screen   RET   setgid 0
  37390 screen   CALL  setuid(0)
  37390 screen   RET   setuid 0
  37390 screen   CALL  sigaction(0x1,0xbfbff3c4,0xbfbff3dc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0x1,0xbfbff3b4,0xbfbff3cc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0x1e,0xbfbff3c4,0xbfbff3dc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0x1f,0xbfbff3b4,0xbfbff3cc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0x2,0xbfbff3c4,0xbfbff3dc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0x12,0xbfbff3b4,0xbfbff3cc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0x1c,0xbfbff3c4,0xbfbff3dc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  sigaction(0xe,0xbfbff3c4,0xbfbff3dc)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  setitimer(0,0xbfbff3d4,0xbfbff3c4)
  37390 screen   RET   setitimer 0
  37390 screen   CALL  sigprocmask(0x1,0xbfbff3b8,0xbfbff3a8)
  37390 screen   RET   sigprocmask 0
  37390 screen   CALL  sigsuspend(0xbfbff3b4)
  37390 screen   PSIG  SIGHUP caught handler=0x8064450 mask=0x0 code=0x0
  37390 screen   RET   sigsuspend -1 errno 4 Interrupted system call
  37390 screen   CALL  sigaction(0x1,0xbfbfe4e8,0xbfbfe500)
  37390 screen   RET   sigaction 0
  37390 screen   CALL  stat(0x8084920,0xbfbff178)
  37390 screen   NAMI  "/tmp/screens/S-eu/37392.ttyv1.www"
  37390 screen   RET   stat -1 errno 2 No such file or directory
  37390 screen   CALL  exit(0)
 
 2) mc с subshell тоже вылетат с диагностикой:
 
 subshell.c: read (subshell_pty...): Unknown error: 0
 
 mc -u запускается и работает.
 
 Вот кусочек ktrace (конец):
 
  36868 mc       RET   read 858/0x35a
  36868 mc       CALL  close(0x5)
  36868 mc       RET   close 0
  36868 mc       CALL  open(0x80f2620,0x2,0x4)
  36868 mc       NAMI  "/dev/ttyp0"
  36868 mc       RET   open 5
  36868 mc       CALL  pipe
  36868 mc       RET   pipe 6
  36868 mc       CALL  fork
  36868 mc       RET   fork 36869/0x9005
  36868 mc       CALL  close(0x5)
  36868 mc       RET   close 0
  36868 mc       CALL  write(0x4,0xbfbffa70,0x27)
  36868 mc       GIO   fd 4 wrote 39 bytes
        " PROMPT_COMMAND='pwd>&7;kill -STOP $$'
        "
  36868 mc       RET   write 39/0x27
  36868 mc       CALL  sigaction(0x2,0xbfbffa38,0)
  36868 mc       RET   sigaction 0
  36868 mc       CALL  select(0x7,0xbfbff9c0,0,0,0xbfbff9b8)
  36868 mc       RET   select 1
  36868 mc       CALL  read(0x4,0x8110380,0x64)
  36868 mc       GIO   fd 4 read 40 bytes
        " PROMPT_COMMAND='pwd>&7;kill -STOP $$'\r
        "
  36868 mc       RET   read 40/0x28
  36868 mc       CALL  select(0x7,0xbfbff9c0,0,0,0xbfbff9b8)
  36868 mc       RET   select 1
  36868 mc       CALL  read(0x4,0x8110380,0x64)
  36868 mc       GIO   fd 4 read 0 bytes
        ""
  36868 mc       RET   read 0
  36868 mc       CALL  ioctl(0x1,TIOCSETA,0x80f2b60)
  36868 mc       RET   ioctl 0
  36868 mc       CALL  writev(0x2,0xbfbff950,0x4)
  36868 mc       GIO   fd 2 wrote 54 bytes
        "
   subshell.c: read (subshell_pty...): Unknown error: 0
        "
  36868 mc       RET   writev 54/0x36
  36868 mc       CALL  exit(0x1)
 
 Eugene
 -- 
 "Люди забыли эту истину," - сказал Лис, - "но ты не забывай"
 --- slrn/0.9.7.4 (FreeBSD)
  * Origin: Svyaz Service JSC (2:5006/1@fidonet)
 
 

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Тема:    Автор:    Дата:    pty problem   Eugene Grosbein   23 May 2003 17:02:57   pty problem   Vladimir Kurtukov   27 May 2003 19:52:01