Re: Screen freezes when launched as normal user

[Stéphane Glondu]

Juergen Weigert a écrit :
> Please post the full strace from clone() to SEGV.

See the attachment.

> Is a coredump written?

No.

Thanks,

Stephane

--- this is the first call to clone ---
12672 clone(child_stack=0, 
flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
child_tidptr=0x2a95e4e530) = 12673
12672 setgid(100)                       = 0
12673 uname( <unfinished ...>
12672 setuid(3226 <unfinished ...>
12673 <... uname resumed> {sys="Linux", node="zamok", ...}) = 0
12672 <... setuid resumed> )            = 0
12672 rt_sigaction(SIGHUP, {0x422c80, [], 0x4000000}, {0x422c80, [], 
0x4000000}, 8) = 0
12672 rt_sigaction(SIGHUP, {0x422c80, [], 0x4000000},  <unfinished ...>
12673 socket(PF_FILE, SOCK_STREAM, 0 <unfinished ...>
12672 <... rt_sigaction resumed> {0x422c80, [], 0x4000000}, 8) = 0
12673 <... socket resumed> )            = 3
12672 rt_sigaction(SIGUSR1, {0x422d70, [], 0x4000000},  <unfinished ...>
12673 connect(3, {sa_family=AF_FILE, path="/var/run/.nscd_socket"}, 110 
<unfinished ...>
12672 <... rt_sigaction resumed> {SIG_DFL}, 8) = 0
12673 <... connect resumed> )           = 0
12672 rt_sigaction(SIGUSR2, {0x422dc0, [], 0x4000000},  <unfinished ...>
12673 writev(3, [{"\2\0\0\0\4\0\0\0\6\0\0\0", 12}, {"zamok\0", 6}], 2 
<unfinished ...>
12672 <... rt_sigaction resumed> {SIG_DFL}, 8) = 0
12673 <... writev resumed> )            = 18
12672 rt_sigaction(SIGINT, {0x422c50, [], 0x4000000},  <unfinished ...>
12673 read(3,  <unfinished ...>
12672 <... rt_sigaction resumed> {SIG_DFL}, 8) = 0
12673 <... read resumed> 
"\2\0\0\0\1\0\0\0\20\0\0\0\3\0\0\0\2\0\0\0\4\0\0\0\1\0\0"..., 32) = 32
12672 rt_sigaction(SIGTSTP, {0x422db0, [], 0x4000000},  <unfinished ...>
12673 readv(3,  <unfinished ...>
12672 <... rt_sigaction resumed> {SIG_DFL}, 8) = 0
12673 <... readv resumed> [{"zamok.crans.org\0", 16}, 
{"\6\0\0\0\17\0\0\0\5\0\0\0", 12}, {"\212\347\210\1", 4}], 3) = 32
12672 rt_sigaction(SIGWINCH, {0x422dd0, [], 0x4000000},  <unfinished ...>
12673 read(3,  <unfinished ...>
12672 <... rt_sigaction resumed> {SIG_DFL}, 8) = 0
12673 <... read resumed> "zamok\0bleu.crans.org\0bleu\0", 26) = 26
12672 rt_sigaction(SIGALRM, {0x422c40, [], 0x4000000},  <unfinished ...>
12673 close(3 <unfinished ...>
12672 <... rt_sigaction resumed> {SIG_DFL}, 8) = 0
12673 <... close resumed> )             = 0
12672 alarm(15)                         = 0
12672 pause( <unfinished ...>
12673 getrlimit(0x7, 0x7fbfffe620)      = 0
12673 open("/etc/ldap/ldap.conf", O_RDONLY) = 3
12673 fstat(3, {st_mode=S_IFREG|0644, st_size=370, ...}) = 0
12673 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x2a9556b000
12673 read(3, "# $OpenLDAP: pkg/ldap/libraries/"..., 4096) = 370
12673 read(3, "", 4096)                 = 0
12673 close(3)                          = 0
12673 munmap(0x2a9556b000, 4096)        = 0
12673 open("/home/passoir/ldaprc", O_RDONLY) = -1 ENOENT (No such file or 
directory)
12673 open("/home/passoir/.ldaprc", O_RDONLY) = -1 ENOENT (No such file or 
directory)
12673 open("ldaprc", O_RDONLY)          = -1 ENOENT (No such file or directory)
12673 getuid()                          = 3226
12673 geteuid()                         = 3226
12673 getgid()                          = 100
12673 getegid()                         = 100
12673 open("/usr/lib/sasl2", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = 3
12673 fstat(3, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
12673 fcntl(3, F_SETFD, FD_CLOEXEC)     = 0
12673 getdents64(3, /* 7 entries */, 4096) = 224
12673 open("/usr/lib/sasl2/libsasldb.la", O_RDONLY) = 4
12673 fstat(4, {st_mode=S_IFREG|0644, st_size=852, ...}) = 0
12673 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x2a9556b000
12673 read(4, "# libsasldb.la - a libtool libra"..., 4096) = 852
12673 close(4)                          = 0
12673 munmap(0x2a9556b000, 4096)        = 0
12673 open("/usr/lib/sasl2/libsasldb.so.2", O_RDONLY) = 4
12673 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\26\0"..., 
640) = 640
12673 fstat(4, {st_mode=S_IFREG|0644, st_size=21632, ...}) = 0
12673 mmap(NULL, 1068568, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4, 0) = 0x2a96f99000
12673 mprotect(0x2a96f9e000, 1048088, PROT_NONE) = 0
12673 mmap(0x2a97099000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 4, 
0) = 0x2a97099000
12673 close(4)                          = 0
12673 open("/etc/ld.so.cache", O_RDONLY) = 4
12673 fstat(4, {st_mode=S_IFREG|0644, st_size=38450, ...}) = 0
12673 mmap(NULL, 38450, PROT_READ, MAP_PRIVATE, 4, 0) = 0x2a9709e000
12673 close(4)                          = 0
12673 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
12673 open("/usr/lib/libdb-4.2.so", O_RDONLY) = 4
12673 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\31\2\0"..., 
640) = 640
12673 fstat(4, {st_mode=S_IFREG|0644, st_size=908464, ...}) = 0
12673 mmap(NULL, 1956376, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4, 0) = 0x2a970a8000
12673 mprotect(0x2a97172000, 1128984, PROT_NONE) = 0
12673 mmap(0x2a971a8000, 909312, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 
4, 0) = 0x2a971a8000
12673 close(4)                          = 0
12673 munmap(0x2a9709e000, 38450)       = 0
12673 open("/usr/lib/sasl2/libsasldb.la", O_RDONLY) = 4
12673 close(4)                          = 0
12673 getdents64(3, /* 0 entries */, 4096) = 0
12673 close(3)                          = 0
12673 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
12672 <... pause resumed> )             = ? ERESTARTNOHAND (To be restarted)
12672 --- SIGCHLD (Child exited) @ 0 (0) ---
12672 pause()                           = ? ERESTARTNOHAND (To be restarted)
12672 --- SIGALRM (Alarm clock) @ 0 (0) ---
12672 rt_sigreturn(0xe)                 = -1 EINTR (Interrupted system call)
12672 alarm(0)                          = 0
12672 kill(12673, SIG_0)                = 0
12672 rt_sigaction(SIGALRM, {0x422c40, [], 0x4000000}, {0x422c40, [], 
0x4000000}, 8) = 0
12672 alarm(15)                         = 0
12672 pause()                           = ? ERESTARTNOHAND (To be restarted)
12672 --- SIGALRM (Alarm clock) @ 0 (0) ---
--- and so on until 12672 is killed ---