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Bug#223512: marked as done (nscd: fails to respond when using kernel 2.6.0-test11 with NPTL)

Your message dated Wed, 25 Apr 2007 21:30:03 +0200
with message-id <20070425193003.GA2924@.madism.org>
and subject line Bug#223512: Still a bug?
has caused the attached Bug report 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 I am
talking about this indicates a serious mail system misconfiguration
somewhere.  Please contact me immediately.)

Debian bug tracking system administrator
(administrator, Debian Bugs database)
--- Begin Message --- 
Package: nscd
Version: 2.3.2.ds1-10
Severity: normal

Hi,

I was trying to play with 2.6.0-test11 on a system using nscd and LDAP.
This results in nscd not being able to respond. Staring using "nscd -d"
works and so does e.g. "LD_ASSUME_KERNEL=2.4.22 nscd". I've included a
strace output from the command "strace -f -o /tmp/nscd.strace nscd",
which I hope might be helpful for someone more knowlageable then me.

2.4.(23) on the same system does not have any problems.

I've seen a number of bug-reports which seems related to my untrained
eyes, e.g. #223441, #223394 and #218958, but since I can not really tell
I'm filing this one.

Straces of successful starts can be found from:
http://static054.netsafir.com/nscd-nptl/nscd-nonptl.strace
http://static054.netsafir.com/nscd-nptl/nscd-debug.strace

Regards,
Magnus

-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux aprilia.mc.fi 2.6.0-test11-aprilia.2 #1 Mon Dec 8 04:07:42 EET 2003 i686
Locale: LANG=C, LC_CTYPE=fi_FI@euro

Versions of packages nscd depends on:
ii  libc6                       2.3.2.ds1-10 GNU C Library: Shared libraries an

-- no debconf information


3398  execve("/usr/sbin/nscd", ["nscd"], [/* 27 vars */]) = 0
3398  uname({sys="Linux", node="aprilia.mc.fi", ...}) = 0
3398  brk(0)                            = 0x8053000
3398  old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
3398  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
3398  open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory)
3398  open("/etc/ld.so.cache", O_RDONLY) = 3
3398  fstat64(3, {st_mode=S_IFREG|0644, st_size=77722, ...}) = 0
3398  old_mmap(NULL, 77722, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40018000
3398  close(3)                          = 0
3398  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
3398  open("/lib/tls/libpthread.so.0", O_RDONLY) = 3
3398  read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200D\0"..., 512) = 512
3398  fstat64(3, {st_mode=S_IFREG|0644, st_size=77871, ...}) = 0
3398  old_mmap(NULL, 60736, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4002b000
3398  old_mmap(0x40037000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xc000) = 0x40037000
3398  old_mmap(0x40038000, 7488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40038000
3398  close(3)                          = 0
3398  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
3398  open("/lib/tls/libnsl.so.1", O_RDONLY) = 3
3398  read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p9\0\000"..., 512) = 512
3398  fstat64(3, {st_mode=S_IFREG|0644, st_size=74188, ...}) = 0
3398  old_mmap(NULL, 85600, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4003a000
3398  old_mmap(0x4004c000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x11000) = 0x4004c000
3398  old_mmap(0x4004d000, 7776, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4004d000
3398  close(3)                          = 0
3398  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
3398  open("/lib/tls/libc.so.6", O_RDONLY) = 3
3398  read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200X\1"..., 512) = 512
3398  fstat64(3, {st_mode=S_IFREG|0644, st_size=1270908, ...}) = 0
3398  old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4004f000
3398  old_mmap(NULL, 1281292, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40050000
3398  old_mmap(0x4017e000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x12d000) = 0x4017e000
3398  old_mmap(0x40187000, 7436, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40187000
3398  close(3)                          = 0
3398  set_thread_area({entry_number:-1 -> 6, base_addr:0x4004fa40, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
3398  munmap(0x40018000, 77722)         = 0
3398  set_tid_address(0x4004fa88)       = 3398
3398  rt_sigaction(SIGRTMIN, {0x4002f3e0, [], SA_SIGINFO}, NULL, 8) = 0
3398  rt_sigprocmask(SIG_UNBLOCK, [RTMIN], NULL, 8) = 0
3398  getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
3398  open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE) = 3
3398  fstat64(3, {st_mode=S_IFREG|0644, st_size=1609184, ...}) = 0
3398  mmap2(NULL, 1609184, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40189000
3398  close(3)                          = 0
3398  brk(0)                            = 0x8053000
3398  brk(0x8074000)                    = 0x8074000
3398  brk(0)                            = 0x8074000
3398  open("/etc/nscd.conf", O_RDONLY)  = 3
3398  fstat64(3, {st_mode=S_IFREG|0644, st_size=1254, ...}) = 0
3398  mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40312000
3398  read(3, "#\n# /etc/nscd.conf\n#\n# An exampl"..., 4096) = 1254
3398  open("/var/log/nscd.log", O_WRONLY|O_APPEND|O_CREAT, 0666) = 4
3398  fstat64(4, {st_mode=S_IFREG|0644, st_size=16257, ...}) = 0
3398  mmap2(NULL, 131072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40313000
3398  fstat64(4, {st_mode=S_IFREG|0644, st_size=16257, ...}) = 0
3398  _llseek(4, 16257, [16257], SEEK_SET) = 0
3398  read(3, "", 4096)                 = 0
3398  close(3)                          = 0
3398  munmap(0x40312000, 4096)          = 0
3398  open("/var/run/nscd.pid", O_RDONLY) = -1 ENOENT (No such file or directory)
3398  time(NULL)                        = 1071011522
3398  clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4004fa88) = 3399
3399  open("/dev/null", O_RDWR)         = 3
3399  fstat64(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 3), ...}) = 0
3399  dup2(3, 0)                        = 0
3399  dup2(3, 1)                        = 1
3399  dup2(3, 2)                        = 2
3399  close(3)                          = 0
3399  open("/proc/self/fd", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
3399  fstat64(3, {st_mode=S_IFDIR|0500, st_size=0, ...}) = 0
3399  fcntl64(3, F_SETFD, FD_CLOEXEC)   = 0
3399  getdents64(3, /* 7 entries */, 1024) = 168
3399  close(4)                          = 0
3399  getdents64(3, /* 0 entries */, 1024) = 0
3399  close(3)                          = 0
3399  clone( <unfinished ...>
3398  exit_group(0)                     = ?
3399  <... clone resumed> child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4004fa88) = 3400
3400  setsid()                          = 3400
3400  chdir("/")                        = 0
3400  open("/var/run/nscd.pid", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
3400  getpid()                          = 3400
3400  fstat64(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
3400  mmap2(NULL, 131072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40333000
3400  write(3, "3400\n", 5)             = 5
3400  close(3)                          = 0
3400  munmap(0x40333000, 131072)        = 0
3400  rt_sigaction(SIGTTOU, {SIG_IGN}, {SIG_DFL}, 8) = 0
3400  rt_sigaction(SIGTTIN, {SIG_IGN}, {SIG_DFL}, 8) = 0
3400  rt_sigaction(SIGTSTP, {SIG_IGN}, {SIG_DFL}, 8) = 0
3400  rt_sigaction(SIGINT, {0x804a620, [INT], SA_RESTART}, {SIG_DFL}, 8) = 0
3400  rt_sigaction(SIGQUIT, {0x804a620, [QUIT], SA_RESTART}, {SIG_DFL}, 8) = 0
3400  rt_sigaction(SIGTERM, {0x804a620, [TERM], SA_RESTART}, {SIG_DFL}, 8) = 0
3400  rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_DFL}, 8) = 0
3400  unlink("/var/run/.nscd_socket")   = -1 ENOENT (No such file or directory)
3400  stat64("/etc/passwd", {st_mode=S_IFREG|0644, st_size=1251, ...}) = 0
3400  stat64("/etc/group", {st_mode=S_IFREG|0644, st_size=752, ...}) = 0
3400  stat64("/etc/hosts", {st_mode=S_IFREG|0644, st_size=277, ...}) = 0
3400  socket(PF_UNIX, SOCK_STREAM, 0)   = 3
3400  bind(3, {sa_family=AF_UNIX, path="/var/run/.nscd_socket"}, 110) = 0
3400  chmod("/var/run/.nscd_socket", 0666) = 0
3399  exit_group(0)                     = ?
3400  listen(3, 128)                    = 0
3400  mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40333000
3400  mprotect(0x40333000, 4096, PROT_NONE) = 0
3400  clone(child_stack=0x40b32b48, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED, parent_tidptr=0x40b32c18, {entry_number:6, base_addr:0x40b32bd0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}, child_tidptr=0x40b32c18) = 3401
3401  time(NULL)                        = 1071011522
3401  time(NULL)                        = 1071011522
3401  poll( <unfinished ...>
3400  mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40b33000
3400  mprotect(0x40b33000, 4096, PROT_NONE) = 0
3400  clone(child_stack=0x41332b48, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED, parent_tidptr=0x41332c18, {entry_number:6, base_addr:0x41332bd0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}, child_tidptr=0x41332c18) = 3402
3402  time(NULL)                        = 1071011522
3402  time(NULL)                        = 1071011522
3402  poll( <unfinished ...>
3400  mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x41333000
3400  mprotect(0x41333000, 4096, PROT_NONE) = 0
3400  clone(child_stack=0x41b32b48, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED, parent_tidptr=0x41b32c18, {entry_number:6, base_addr:0x41b32bd0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}, child_tidptr=0x41b32c18) = 3403
3403  accept(3,  <unfinished ...>
3400  mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x41b33000
3400  mprotect(0x41b33000, 4096, PROT_NONE) = 0
3400  clone(child_stack=0x42332b48, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED, parent_tidptr=0x42332c18, {entry_number:6, base_addr:0x42332bd0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}, child_tidptr=0x42332c18) = 3404
3404  accept(3,  <unfinished ...>
3400  mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x42333000
3400  mprotect(0x42333000, 4096, PROT_NONE) = 0
3400  clone(child_stack=0x42b32b48, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED, parent_tidptr=0x42b32c18, {entry_number:6, base_addr:0x42b32bd0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}, child_tidptr=0x42b32c18) = 3405
3405  accept(3,  <unfinished ...>
3400  time(NULL)                        = 1071011522
3400  time(NULL)                        = 1071011522
3400  poll( <unfinished ...>
3401  <... poll resumed> [{fd=3, events=POLLRDNORM, revents=POLLRDNORM}], 1, 15000) = 1
3402  <... poll resumed> [{fd=3, events=POLLRDNORM, revents=POLLRDNORM}], 1, 15000) = 1
3403  <... accept resumed> 0, NULL)     = 4
3400  <... poll resumed> [{fd=3, events=POLLRDNORM, revents=POLLRDNORM}], 1, 15000) = 1
3401  accept(3,  <unfinished ...>
3402  accept(3,  <unfinished ...>
3403  read(4,  <unfinished ...>
3400  accept(3,  <unfinished ...>
3403  <... read resumed> "\2\0\0\0\4\0\0\0\v\0\0\0", 12) = 12
3403  getsockopt(4, SOL_SOCKET, SO_PEERCRED, "J\6\0\0\350\3\0\0\350\3\0\0", [12]) = 0
3403  read(4, "imap.mc.fi\0", 11)       = 11
3403  getpid()                          = 3400
3403  write(4, "3400: handle_request: request re"..., 67) = 67
3403  getpid()                          = 3400
3403  write(4, "3400: \tGETHOSTBYNAME (imap.mc.fi"..., 34) = -1 EPIPE (Broken pipe)
3403  --- SIGPIPE (Broken pipe) @ 0 (0) ---

--- End Message ---
--- Begin Message --- 
Version: 2.5

On Thu, Sep 16, 2004 at 01:14:46AM +0300, Magnus Lassus wrote:
> Hello Thomas,
> 
> On Wed, Sep 15, 2004 at 10:39:27PM +0200, Thomas Hood wrote:
> > Is #223512 still a problem for you or has it been fixed (or worked
> > around) somewhere along the way?
> 
> I hadn't checked for a long time because the LD_ASSUME_KERNEL=2.4.XX
> worked. I now checked and the problem is gone. I.e. no idea at what
> version the change happend since I only tested a couple of times when
> new glibc versions arrived. On the one I checked I am currently running:
> 
> Kernel 2.6.7
> ii  nscd   2.3.2.ds1-16
> 
> So from my point of view this one can be closed.
> 
> -- 
> Regards,
> Magnus
> -----------------------------
> F:ma M Lassus - http://static054.netsafir.com
> mailto:mlassus@netsafir.com
> +358-(0)50-3670372
> 
> 

-- 
·O·  Pierre Habouzit
··O                                                madcoder@debian.org
OOO                                                http://www.madism.org

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