Hi!
The program is located on a local disc, it is just my home on a NFS
file system.
I tried linking .sage to /tmp/blupper (I hope, that is not a
trademark)
and everything worked.
Then I removed the link and tried again with my normal nfs home and
produced the following strace.
Best regards,
Michael
strace sage
execve("/usr/local/bin/sage", ["sage"], [/* 28 vars */]) = 0
brk(0) = 0x5be000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x2ba41fcd2000
uname({sys="Linux", node="biberach", ...}) = 0
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=53492, ...}) = 0
mmap(NULL, 53492, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2ba41fcd3000
close(3) = 0
open("/lib/libncurses.so.5", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>
\0\1\0\0\0\200\1\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=370728, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x2ba41fce1000
mmap(NULL, 1420648, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x2ba41fce2000
mprotect(0x2ba41fd2f000, 1044480, PROT_NONE) = 0
mmap(0x2ba41fe2e000, 61440, PROT_READ|PROT_WRITE, MAP_PRIVATE|
MAP_FIXED|MAP_DENYWRITE, 3, 0x4c000) = 0x2ba41fe2e000
close(3) = 0
open("/lib/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`
\16\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=14528, ...}) = 0
mmap(NULL, 2109728, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x2ba41fed3000
mprotect(0x2ba41fed5000, 2097152, PROT_NONE) = 0
mmap(0x2ba4200d5000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x2000) = 0x2ba4200d5000
close(3) = 0
open("/lib/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>
\0\1\0\0\0\220\334\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1293456, ...}) = 0
mmap(NULL, 3399928, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x2ba4200d7000
mprotect(0x2ba42020d000, 2093056, PROT_NONE) = 0
mmap(0x2ba42040c000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|
MAP_FIXED|MAP_DENYWRITE, 3, 0x135000) = 0x2ba42040c000
mmap(0x2ba420411000, 16632, PROT_READ|PROT_WRITE, MAP_PRIVATE|
MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ba420411000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x2ba420416000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x2ba420417000
arch_prctl(ARCH_SET_FS, 0x2ba420416dd0) = 0
mprotect(0x2ba42040c000, 16384, PROT_READ) = 0
mprotect(0x2ba4200d5000, 4096, PROT_READ) = 0
mprotect(0x2ba41fed1000, 4096, PROT_READ) = 0
munmap(0x2ba41fcd3000, 53492) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/dev/tty", O_RDWR|O_NONBLOCK) = 3
close(3) = 0
brk(0) = 0x5be000
brk(0x5df000) = 0x5df000
getuid() = 1136
getgid() = 1103
geteuid() = 1136
getegid() = 1103
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
gettimeofday({1196340233, 97680}, NULL) = 0
open("/proc/meminfo", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x2ba41fcd3000
read(3, "MemTotal: 16411324 kB\nMemFre"..., 1024) = 630
close(3) = 0
munmap(0x2ba41fcd3000, 4096) = 0
rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigaction(SIGQUIT, {SIG_IGN}, {SIG_DFL}, 8) = 0
uname({sys="Linux", node="biberach", ...}) = 0
stat("/home/michael", {st_mode=S_IFDIR|0700, st_size=9216, ...}) = 0
stat(".", {st_mode=S_IFDIR|0700, st_size=9216, ...}) = 0
getpid() = 21204
getppid() = 21203
getpgrp() = 21203
rt_sigaction(SIGCHLD, {0x434dd0, [], SA_RESTORER, 0x2ba420107430},
{SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/usr/local/bin/sage", O_RDONLY) = 3
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff8adeff80) = -1 ENOTTY
(Inappropriate ioctl for device)
lseek(3, 0, SEEK_CUR) = 0
read(3, "#!/bin/sh\n\n# Set SAGE_ROOT to th"..., 80) = 80
lseek(3, 0, SEEK_SET) = 0
getrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=1024}) = 0
dup2(3, 255) = 255
close(3) = 0
fcntl(255, F_SETFD, FD_CLOEXEC) = 0
fcntl(255, F_GETFL) = 0x8000 (flags O_RDONLY|
O_LARGEFILE)
fstat(255, {st_mode=S_IFREG|0755, st_size=1008, ...}) = 0
lseek(255, 0, SEEK_CUR) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "#!/bin/sh\n\n# Set SAGE_ROOT to th"..., 1008) = 1008
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pipe([3, 4]) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
lseek(255, -831, SEEK_CUR) = 177
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|
SIGCHLD, child_tidptr=0x2ba420416e60) = 21205
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) =
21205
wait4(-1, 0x7fff8adef724, WNOHANG, NULL) = -1 ECHILD (No child
processes)
rt_sigreturn(0) = 0
rt_sigaction(SIGCHLD, {0x434dd0, [], SA_RESTORER, 0x2ba420107430},
{0x434dd0, [], SA_RESTORER, 0x2ba420107430}, 8) = 0
close(4) = 0
read(3, "/home/michael\n", 128) = 14
read(3, "", 128) = 0
close(3) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x435990, [], SA_RESTORER, 0x2ba420107430},
{SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {0x435990, [], SA_RESTORER,
0x2ba420107430}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "\nif [ \"$SAGE_ROOT\" = \".....\" ]; "..., 1008) = 831
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
stat("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat("/usr/local", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat("/usr/local/sage-2.8.14", {st_mode=S_IFDIR|0755,
st_size=4096, ...}) = 0
chdir("/usr/local/sage-2.8.14") = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pipe([3, 4]) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
lseek(255, -262, SEEK_CUR) = 746
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|
SIGCHLD, child_tidptr=0x2ba420416e60) = 21206
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGCHLD, {0x434dd0, [], SA_RESTORER, 0x2ba420107430},
{0x434dd0, [], SA_RESTORER, 0x2ba420107430}, 8) = 0
close(4) = 0
read(3, "/usr/local/sage-2.8.14\n", 128) = 23
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) =
21206
wait4(-1, 0x7fff8adef944, WNOHANG, NULL) = -1 ECHILD (No child
processes)
rt_sigreturn(0) = 0
close(3) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x435990, [], SA_RESTORER, 0x2ba420107430},
{SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {0x435990, [], SA_RESTORER,
0x2ba420107430}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "export SAGE_ROOT\nexport CUR\n\n\"$S"..., 1008) = 262
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [INT CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [INT CHLD], NULL, 8) = 0
lseek(255, -197, SEEK_CUR) = 811
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|
SIGCHLD, child_tidptr=0x2ba420416e60) = 21207
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x435990, [], SA_RESTORER, 0x2ba420107430},
{SIG_DFL}, 8) = 0
wait4(-1,
----------------------------------------------------------------------
| SAGE Version 2.8.14, Release Date: 2007-11-24 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: notebook.setup()
Using dsage certificates.
Creating /home/michael/.sage/dsage
--------------------------------------------------
Generating public/private key pair for authentication...
Your key will be stored in /home/michael/.sage/dsage/dsage_key
Just hit enter when prompted for a passphrase
--------------------------------------------------
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Client configuration finished.
Worker configuration finished.
Choose a domain name for your SAGE notebook server,
for example, localhost (personal use) or biberach.mfo.de (to allow
outside connections).
Domain name [localhost]: biberach.mfo.de
--------------------------------------------------
Generating SSL certificate for server...
Using openssl to generate key
openssl genrsa > /home/michael/.sage/dsage/cacert.pem
Generating RSA private key, 512 bit long modulus
................++++++++++++
...++++++++++++
e is 65537 (0x10001)
Generating a self signed certificate...
X.509 certificate info:
Version: 3
Serial Number (hex): 00:A8:4E:01
Subject: C=US,O=SAGE (at
biberach.mfo.de),OU=389,ST=Washington,CN=biberach.mfo.de,UID=sage_user
Validity:
Not Before: Thu Nov 29 13:44:19 2007
Not After: Mon Apr 16 14:44:19 2035
Subject Public Key Info:
Public Key Algorithm: RSA (512 bits)
X.509 Extensions:
Basic Constraints: (critical)
CA:FALSE
Key usage: (critical)
Digital signature.
Key encipherment.
Key purpose OIDs:
TLS WWW Server.
Subject Key ID:
1E:FF:12:6F:F7:93:DD:8F:BE:FD:FD:6F:
58:7C:B2:79:F0:4A:CF:AF
Other information:
Public Key ID: 1E:FF:12:6F:F7:93:DD:8F:BE:FD:FD:6F:
58:7C:B2:79:F0:4A:CF:AF
Signing certificate...
--------------------------------------------------
---------------------------------------------------------------------------
<class 'sqlite3.OperationalError'> Traceback (most recent call
last)
/home/michael/<ipython console> in <module>()
/tmp/sage-2.8.14/local/lib/python2.5/site-packages/sage/server/
notebook/run_notebook.py in notebook_setup(self)
/tmp/sage-2.8.14/local/lib/python2.5/site-packages/sage/dsage/dsage.py
in setup(self, template)
/tmp/sage-2.8.14/local/lib/python2.5/site-packages/sage/dsage/scripts/
dsage_setup.py in setup(template)
191 setup_client()
192 setup_worker()
--> 193 setup_server(template=template)
194 print "Configuration finished.."
195
/tmp/sage-2.8.14/local/lib/python2.5/site-packages/sage/dsage/scripts/
dsage_setup.py in setup_server(template)
171 username = getuser()
172 pubkey_file = os.path.join(DSAGE_DIR, 'dsage_key.pub')
--> 173 clientdb = ClientDatabase()
174 pubkey = base64.encodestring(
175
keys.getPublicKeyString(filename=pubkey_file).strip())
/tmp/sage-2.8.14/local/lib/python2.5/site-packages/sage/dsage/database/
clientdb.py in __init__(self, db_file, log_file, log_level, test)
/tmp/sage-2.8.14/local/lib/python2.5/site-packages/sage/dsage/database/
sql_functions.py in optimize_sqlite(con)
<class 'sqlite3.OperationalError'>: database is locked
sage:
Exiting SAGE (CPU time 0m0.61s, Wall time 4m13.12s).
Exiting spawned Gap process.
[{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 21207
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, 0x7fff8adefc74, WNOHANG, NULL) = -1 ECHILD (No child
processes)
rt_sigreturn(0xffffffffffffffff) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {0x435990, [], SA_RESTORER,
0x2ba420107430}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "\n# This should kill all children"..., 1008) = 197
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "", 1008) = 0
exit_group(0) = ?
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