I was trying to install sage-4.8 from source in ubuntu 10.04. I had
downloaded the sage-4.8.tar archive, created the sage-4.8 directory and
then used the command "make". After nearly two hours, I got the report
(only relevant part is shown below):
*************************************************
Traceback (most recent call last):
File "setup.py", line 830, in <module>
execute_list_of_commands(queue)
File "setup.py", line 287, in execute_list_of_commands
execute_list_of_commands_in_parallel(command_list, nthreads)
File "setup.py", line 238, in execute_list_of_commands_in_parallel
p = Pool(nthreads)
File
"/home/myname/sage-4.8/local/lib/python/multiprocessing/__init__.py", line
227, in Pool
return Pool(processes, initializer, initargs)
File "/home/myname/sage-4.8/local/lib/python/multiprocessing/pool.py",
line 84, in __init__
self._setup_queues()
File "/home/myname/sage-4.8/local/lib/python/multiprocessing/pool.py",
line 131, in _setup_queues
self._inqueue = SimpleQueue()
File "/home/myname/sage-4.8/local/lib/python/multiprocessing/queues.py",
line 328, in __init__
self._rlock = Lock()
File
"/home/myname/sage-4.8/local/lib/python/multiprocessing/synchronize.py",
line 117, in __init__
SemLock.__init__(self, SEMAPHORE, 1, 1)
File
"/home/myname/sage-4.8/local/lib/python/multiprocessing/synchronize.py",
line 49, in __init__
sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue)
"OSError: [Errno 30] Read-only file system
sage: There was an error installing modified sage library code.
ERROR installing Sage
make[1]: *** [installed/sage-4.8] Error 1
make[1]: Leaving directory `/home/myname/sage-4.8/spkg'
real 126m42.538s
user 121m51.361s
sys 12m44.712s
Error building Sage.
make: *** [build] Error 1"
*********************************************************
My guess is that I should have used "sudo make" command instead of just
"make". The result of uname -a is: Linux myname-desktop 2.6.32-39-generic
#86-Ubuntu SMP Mon Feb 13 21:47:32 UTC 2012 i686 GNU/Linux
Please suggest what I should do now. Will it be proper to use the "sudo
make" command at this stage or should I do something about the already
created sage-files and directories (in the failed installation process)?
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