Bug#584102: marked as done (OpenVZ vzctl enter dying with: Unable to open pty: No such file or directory; problem with tcgetattr() and startpar)

Thu, 10 Jun 2010 08:57:27 -0700 

Your message dated Thu, 10 Jun 2010 15:52:47 +0000
with message-id <[email protected]>
and subject line Bug#584102: fixed in sysvinit 2.88dsf-8
has caused the Debian Bug report #584102,
regarding OpenVZ vzctl enter dying with: Unable to open pty: No such file or  
directory; problem with tcgetattr() and startpar
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)


-- 
584102: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584102
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message --- 
Package: sysvinit
Version: 2.88dsf-5

After debootstraping testing/squeeze there's a problem when trying to
start it under OpenVZ. init starts but the rc scripts fail to properly
setup environment (run scripts from runlevel S and runlevel 2).
OpenVZ's vzctl enter VEID dies with the following error message:

# vzctl enter 1050
enter into VE 1050 failed
Unable to open pty: No such file or directory

(the above if caused by /dev/pts not being mounted)

I've narrowed the problem to startpar program which is used by init
scripts to run scripts for given runlevel in parallel. It seems that
startpar dies giving an error :

17    rt_sigaction(SIGWINCH, {0x401f40, [],
SA_RESTORER|SA_RESTART|SA_NODEFER, 0x7fcad974cf80}, NULL, 8) = 0
17    ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fffffffc230) = -1
ENOTTY (Inappropriate ioctl for device)
17    dup(2)                            = 3
17    fcntl(3, F_GETFL)                 = 0x8002 (flags O_RDWR|O_LARGEFILE)
17    fstat(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 3), ...}) = 0
17    ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fffffffbfe0) = -1
ENOTTY (Inappropriate ioctl for device)
17    mmap(NULL, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcad9c87000
17    lseek(3, 0, SEEK_CUR)             = 0
17    write(3, "tcgetattr: Inappropriate ioctl for device\n", 42) = 42
17    close(3)                          = 0
17    munmap(0x7fcad9c87000, 4096)      = 0
17    exit_group(1)                     = ?



I'm attaching full strace output of startpar.

I've browsed Debian's sysvinit source and found out this call to
tcgetattr():

///
 if (tcgetattr(0, &tio))
   {
     perror("tcgetattr");
     exit(1);
   }
///

tio variable is later used to disable basic terminal output translation:
///
      tio.c_oflag &= ~OPOST;
      if (tcsetattr(1, TCSANOW, &tio))
        perror("tcsetattr");
///

When I comment this code and rebuild the package then the virtual
environment boots
successfully. I suppose that OpenVZ's "stdin"/"stdout" for init
program isn't a regular terminal
and that's the cause of tcgetattr() failing.

Should it be a fatal error if a call to tcgetattr() fails? Maybe we
could just detect the case when tcgetattr() returns 0 and if such
thing occurs - omit using tcsetattr()?



There's also one note that adding:
CONCURRENCY=none
to /etc/default/rcS
makes the system boot properly.



Host node runs Lenny and it works well. Below is the information about
the container:

-- System Information:
Debian Release: squeeze/sid
 APT prefers testing
 APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-2-openvz-amd64
Locale: LANG=pl_PL, LC_CTYPE=pl_PL (charmap=ISO-8859-2)
Shell: /bin/sh linked to /bin/dash

Versions of packages sysvinit depends on:
ii  initscripts                   2.88dsf-5  scripts for initializing and shutt
ii  libc6                         2.10.2-9   Embedded GNU C Library: Shared lib
ii  libselinux1                   2.0.94-1   SELinux runtime shared libraries
ii  libsepol1                     2.0.40-2   SELinux library for manipulating b
ii  sysv-rc                       2.88dsf-5  System-V-like runlevel change mech
ii  sysvinit-utils                2.88dsf-5  System-V-like utilities

sysvinit recommends no packages.

sysvinit suggests no packages.

-- no debconf information

17    execve("/sbin/startpar", ["startpar", "-p", "4", "-t", "20", "-T", "3", 
"-M", "start", "-P", "N", "-R", "2"], [/* 12 vars */]) = 0
17    brk(0)                            = 0x607000
17    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7fcad9c8a000
17    access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
17    mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7fcad9c88000
17    access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
17    open("/etc/ld.so.cache", O_RDONLY) = 3
17    fstat(3, {st_mode=S_IFREG|0644, st_size=6427, ...}) = 0
17    mmap(NULL, 6427, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fcad9c86000
17    close(3)                          = 0
17    access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
17    open("/lib/libc.so.6", O_RDONLY)  = 3
17    read(3, 
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\353\1\0\0\0\...@\0\0\0\0\0\0\0\350\373\24\0\0\0\0\0\0\0\0\0@\0008\0\...@\0g\0f\0\6\0\0\0\5\0\0\0@\0\0\0\0\0\...@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0000\2\0\0\0\0\0\0000\2\0\0\0\0\0\0\10\0\0\0\0\0\0\0\3\0\0\0\4\0\...@\376\21\0\0\0\0\0@\376\21\0\0\0\...@\376\21\0\0\0\0\0\34\0\0\0\0\0\0\0\34\0\0\0\0\0\0\0\20\0\0\0\0\0\0\0\1\0\0\0\5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\310\227\24\0\0\0\0\0\310\227\24\0\0\0\0\0\0\0
 \0\0\0\0\0\1\0\0\0\6\0\0\0 \247\24\0\0\0\0\0 \2474\0\0\0\0\0 
\2474\0\0\0\0\0\230F\0\0\0\0\0\0\10\221\0\0\0\0\0\0\0\0 
\0\0\0\0\0\2\0\0\0\6\0\...@\333\24\0\0\0\0\0@\3334\0\0\0\...@\3334\0\0\0\0\0\340\1\0\0\0\0\0\0\340\1\0\0\0\0\0\0\10\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0p\2\0\0\0\0\0\0p\2\0\0\0\0\0\0p\2\0\0\0\0\0\0d\0\0\0\0\0\0\0d\0\0\0\0\0\0\0\4\0\0\0\0\0\0\0\7\0\0\0\4\0\0\0
 \247\24\0\0\0\0\0 \2474\0\0\0\0\0 
\2474\0\0\0\0\0\20\0\0\0\0\0\0\0h\0\0\0\0\0\0\0\10\0\0\0\0\0\0\0P\345td\4\0\0\0\\\376\21\0\0\0\0\0\\\376\21\0\0\0\0\0\\\376\21\0\0\0\0\0<e\0\0\0\0\0\0<e\0\0\0\0\0\0\4\0\0\0\0\0\0\0Q\345td\6\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\10\0\0\0\0\0\0\0R\345td\4\0\0\0
 \247\24\0\0\0\0\0 \2474\0\0\0\0\0 
\2474\0\0\0\0\0\3408\0\0\0\0\0\0\3408\0\0\0\0\0\0\1\0\0\0\0\0\0\0\4\0\0\0\24\0\0\0\3\0\0\0GNU\0\326\315\273B\3173)\337N\241\233\207c\364\221u\205\226\34\7\4\0\0\0\20\0\0\0\1\0\0\0GNU\0\0\0\0\0\2\0\0\0\6\0\0\0\22\0\0\0\0\0\0\0\363\3\0\0\t\0\0\0\0\1\0\0\16\0\0\0\0000\20D\240
 
\2\1\210\3\346\220\305e\214\0\300\0\10\0\5\200\0`\300\200\0\r\212\f\0\4\20\0\210d2\...@\210p4,
 \16\"H&\204\300\214\4\10\0\2\2\16\241\254\32\4f\300\0\3002\0\300\0P\1 
\201\10\204\v  ($\0\4 P\0\20X\200\312DB(\0\6\200\20\30B\0 
@\200\0\tp\0q\...@\20\0\0\0\0\10\0\0\21\20", 832) = 832
17    fstat(3, {st_mode=S_IFREG|0755, st_size=1379752, ...}) = 0
17    mmap(NULL, 3487784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) 
= 0x7fcad971b000
17    mprotect(0x7fcad9865000, 2097152, PROT_NONE) = 0
17    mmap(0x7fcad9a65000, 20480, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14a000) = 0x7fcad9a65000
17    mmap(0x7fcad9a6a000, 18472, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fcad9a6a000
17    close(3)                          = 0
17    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7fcad9c85000
17    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7fcad9c84000
17    arch_prctl(ARCH_SET_FS, 0x7fcad9c846f0) = 0
17    open("/dev/urandom", O_RDONLY)    = 3
17    read(3, "\202\240j\37\304\7\363", 7) = 7
17    close(3)                          = 0
17    mprotect(0x7fcad9a65000, 16384, PROT_READ) = 0
17    mprotect(0x7fcad9c8b000, 4096, PROT_READ) = 0
17    munmap(0x7fcad9c86000, 6427)      = 0
17    rt_sigaction(SIGUSR1, {0x401dd0, [USR1], SA_RESTORER|SA_RESTART, 
0x7fcad974cf80}, {SIG_DFL, [], 0}, 8) = 0
17    rt_sigaction(SIGUSR2, {0x401dc0, [USR2], SA_RESTORER|SA_RESTART, 
0x7fcad974cf80}, {SIG_DFL, [], 0}, 8) = 0
17    rt_sigaction(SIGCHLD, {SIG_DFL, [CHLD], SA_RESTORER|SA_RESTART, 
0x7fcad974cf80}, {SIG_DFL, [], 0}, 8) = 0
17    open("/proc/stat", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or 
directory)
17    open("/proc/cpuinfo", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or 
directory)
17    getuid()                          = 0
17    open("/etc/init.d/.depend.start", O_RDONLY|O_NOATIME) = 3
17    fadvise64(3, 0, 0, POSIX_FADV_WILLNEED) = 0
17    fadvise64(3, 0, 0, POSIX_FADV_SEQUENTIAL) = 0
17    fadvise64(3, 0, 0, POSIX_FADV_NOREUSE) = 0
17    fcntl(3, F_GETFL)                 = 0x48000 (flags 
O_RDONLY|O_LARGEFILE|O_NOATIME)
17    brk(0)                            = 0x607000
17    brk(0x628000)                     = 0x628000
17    fstat(3, {st_mode=S_IFREG|0644, st_size=239, ...}) = 0
17    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7fcad9c87000
17    lseek(3, 0, SEEK_CUR)             = 0
17    read(3, "TARGETS = rsyslog killprocs bootlogs single cron rmnologin 
rc.local stop-bootlogd\nINTERACTIVE =\nsingle: killprocs bootlogs\ncron: 
rsyslog\nrmnologin: rsyslog bootlogs cron\nrc.local: rsyslog bootlogs 
cron\nstop-bootlogd: rsyslog bootlogs cron\n", 4096) = 239
17    read(3, "", 4096)                 = 0
17    fadvise64(3, 0, 0, POSIX_FADV_DONTNEED) = 0
17    close(3)                          = 0
17    munmap(0x7fcad9c87000, 4096)      = 0
17    open("/etc/rcN.d", O_RDONLY|O_DIRECTORY|O_NOATIME) = -1 ENOENT (No such 
file or directory)
17    open("/etc/rcN.d", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT 
(No such file or directory)
17    open("/etc/rc2.d", O_RDONLY|O_DIRECTORY|O_NOATIME) = 3
17    fadvise64(3, 0, 0, POSIX_FADV_SEQUENTIAL) = 0
17    fadvise64(3, 0, 0, POSIX_FADV_NOREUSE) = 0
17    open("/etc/rc2.d", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
17    fcntl(4, F_GETFD)                 = 0x1 (flags FD_CLOEXEC)
17    getdents(4, /* 9 entries */, 32768) = 280
17    getdents(4, /* 0 entries */, 32768) = 0
17    close(4)                          = 0
17    fadvise64(3, 0, 0, POSIX_FADV_DONTNEED) = 0
17    close(3)                          = 0
17    open("/proc/meminfo", O_RDONLY)   = -1 ENOENT (No such file or directory)
17    rt_sigaction(SIGWINCH, {0x401f40, [], SA_RESTORER|SA_RESTART|SA_NODEFER, 
0x7fcad974cf80}, NULL, 8) = 0
17    ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fffffffc230) = -1 ENOTTY 
(Inappropriate ioctl for device)
17    dup(2)                            = 3
17    fcntl(3, F_GETFL)                 = 0x8002 (flags O_RDWR|O_LARGEFILE)
17    fstat(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 3), ...}) = 0
17    ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fffffffbfe0) = -1 ENOTTY 
(Inappropriate ioctl for device)
17    mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7fcad9c87000
17    lseek(3, 0, SEEK_CUR)             = 0
17    write(3, "tcgetattr: Inappropriate ioctl for device\n", 42) = 42
17    close(3)                          = 0
17    munmap(0x7fcad9c87000, 4096)      = 0
17    exit_group(1)                     = ?

--- End Message ---
--- Begin Message --- 
Source: sysvinit
Source-Version: 2.88dsf-8

We believe that the bug you reported is fixed in the latest version of
sysvinit, which is due to be installed in the Debian FTP archive:

initscripts_2.88dsf-8_i386.deb
  to main/s/sysvinit/initscripts_2.88dsf-8_i386.deb
sysv-rc_2.88dsf-8_all.deb
  to main/s/sysvinit/sysv-rc_2.88dsf-8_all.deb
sysvinit-utils_2.88dsf-8_i386.deb
  to main/s/sysvinit/sysvinit-utils_2.88dsf-8_i386.deb
sysvinit_2.88dsf-8.diff.gz
  to main/s/sysvinit/sysvinit_2.88dsf-8.diff.gz
sysvinit_2.88dsf-8.dsc
  to main/s/sysvinit/sysvinit_2.88dsf-8.dsc
sysvinit_2.88dsf-8_i386.deb
  to main/s/sysvinit/sysvinit_2.88dsf-8_i386.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Petter Reinholdtsen <[email protected]> (supplier of updated sysvinit package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.8
Date: Thu, 10 Jun 2010 15:41:18 +0200
Source: sysvinit
Binary: sysvinit sysvinit-utils sysv-rc initscripts
Architecture: source i386 all
Version: 2.88dsf-8
Distribution: unstable
Urgency: low
Maintainer: Debian sysvinit maintainers 
<[email protected]>
Changed-By: Petter Reinholdtsen <[email protected]>
Description: 
 initscripts - scripts for initializing and shutting down the system
 sysv-rc    - System-V-like runlevel change mechanism
 sysvinit   - System-V-like init utilities
 sysvinit-utils - System-V-like utilities
Closes: 584102 584742
Changes: 
 sysvinit (2.88dsf-8) unstable; urgency=low
 .
   * New startpar patch 06_stdin_notty.patch to make sure startpar run
     programs also when stdin is a pipe, to get it working on OpenVZ
     (Closes: #584102)
   * New startpar patch 07_nocrash_missing_arg.patch to make sure
     missing argument (-a) do not cause startpar to segfault.
   * Change startpar patch 05_pri_kdm_gdm.patch to also give priority
     to udev to get kernel module loading started as early as possible
     during boot.  Based on idea from live-net-startpar.
   * Make init.d/bootlogs soft depend on gdm3 while we wait for gdm3 to
     provide $x-display-manager.
   * Make sure to create /dev/pts/ and /dev/shm/ in mountdevsub.sh
     before mounting them to allow udev to stop creating them at boot
     (Closes: #584742).  Thanks to Marco d'Itri for the patch.
   * Drop support for the now obsolete devfs file system in the init.d
     scripts bootmisc.sh, checkroot.sh, mountdevsubfs.sh, umountfs and
     umountnfs.sh.
   * Loosen up the migration check to dependency based boot sequencing,
     to only report removed but not purged packages if insserv detected
     problems with the init.d script dependencies.
   * Add Norwegian Bokmål (nb) debconf translation.
Checksums-Sha1: 
 46f09a9d93526a43bf9ab2dae5f85299f11fe4b0 1506 sysvinit_2.88dsf-8.dsc
 36e38341ed807d694b3fa765b9d5c0a0223459ab 162406 sysvinit_2.88dsf-8.diff.gz
 50061807ff7d8a6799ce4147ff36ae5eb5362fd1 114144 sysvinit_2.88dsf-8_i386.deb
 018432c8aafec8a3bed5b197bbae52c2e53cf250 116760 
sysvinit-utils_2.88dsf-8_i386.deb
 0b09d86ddfc6b66bcbdd1dd0df975c22a847bee9 69620 initscripts_2.88dsf-8_i386.deb
 f84ffb700d35a3c7d3eaa6f9d7dc9bed51534477 60718 sysv-rc_2.88dsf-8_all.deb
Checksums-Sha256: 
 d8636b61cde85d9a5de595126719cab42f4bb23455d60cab5f0788adbf0c87be 1506 
sysvinit_2.88dsf-8.dsc
 bccba1825e4908dafe29ded1cbbe02c2c16ccb7876cc2e3b102fe3077fa63b12 162406 
sysvinit_2.88dsf-8.diff.gz
 f5ded899582ba6bd40b0eea86e9446512064dcb37cde0aeebe4788ad327d8cb2 114144 
sysvinit_2.88dsf-8_i386.deb
 041924b9447e8e513ccf51b4dcd621cbb635290396ebf0ee6378ede8d5b72220 116760 
sysvinit-utils_2.88dsf-8_i386.deb
 c8e9eb11d1b000b75e83d56417b135c39ec0e2050019a19699a69f432af058d5 69620 
initscripts_2.88dsf-8_i386.deb
 cf8b1d441d233936834e9fb9d5bf1f5ca85263ffc38e1d860056758835363668 60718 
sysv-rc_2.88dsf-8_all.deb
Files: 
 a19dbec524d578f96c660b644810be85 1506 admin required sysvinit_2.88dsf-8.dsc
 63e58626b9d490a3b98f02a30de1b181 162406 admin required 
sysvinit_2.88dsf-8.diff.gz
 48a4939cd138fac75e5254a194b53d9e 114144 admin required 
sysvinit_2.88dsf-8_i386.deb
 a0fe19787f752ee738106a082ad2ab5f 116760 admin required 
sysvinit-utils_2.88dsf-8_i386.deb
 ae9c64638a2ba4bfd83a9dd195c96d54 69620 admin required 
initscripts_2.88dsf-8_i386.deb
 716a8328073484816ca199f0996f48f7 60718 admin required sysv-rc_2.88dsf-8_all.deb

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--- End Message ---

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