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Jun 6, 2010, 5:37:14 AM6/6/10

to Mike Hansen, sage-windows

Hi Mike (cc: Sage Windows)

Here's the absurd way I got my sage-4.4.3 install to fork.

Anyways, I did the following:

(0) Read about rebasing: /usr/share/doc/Cygwin/rebase-3.0.1.README

(1) Shutdown all cygwin processes using the task manager

(2) Using command.exe run c:\cygwin\bin\ash then

/bin/rebaseall -v

which didn't help at all since it only rebase /usr/.

(3) Tried Gary Zablackis's 2005 script, but by hand:

cd /home/wstein/sage-4.4.3/

/bin/find -name *.dll > Sage-dlls.lst

/bin/rebaseall -v -T Sage-dlls.lst

(4) The above failed with an error rebasing libpython.dll. So I

deleted the libpython.dll line from Sage-dlls.lst, then

again did

/bin/rebaseall -v -T Sage-dlls.lst

(5) This appeared to work... but Sage still did *not* fork. The

following popped up when

trying to fork in Sage: local/lib/libcurvesntl.dll

So, I edited Sage-dlls.lst, and deleted everything *before* the

libcurvesntl.dll line. Then I did

/bin/rebaseall -v -T Sage-dlls.lst

and amazingly after this forking with Sage works, as illustrated in

the screenshots.

---

Here's my build notes to go from stock sage-4.4.3 to something that I

built under Cygwin and can fully use:

1. Put the following four spkg's in place of the ones that are in

spkg/standard:

boehm_gc-7.1.p4.spkg ecl-10.4.1.spkg libpng-1.2.35.p2.spkg maxima-5.21.0.spkg

I put these at http://sage.math.washington.edu/home/wstein/patches/sage-cygwin-4.4.3.tar

temporarily, for convenience.

2. don't worry about cvxopt, which doesn't build, and is the last

thing. The build fails, but we just ignore it.

3. Sage doesn't start. Using "cygcheck" on problemative dll, we find

that a fix is to copy

libntl.dll.a to libntl.dll

in SAGE_ROOT/local/lib/

4. Then sage starts up.

* But it can't fork. We have to rebase. See above.

---

--

William Stein

Professor of Mathematics

University of Washington

http://wstein.org

Jun 6, 2010, 11:51:44 PM6/6/10

to Mike Hansen, sage-windows

Hi,

I put a tarball of sage-4.4.3 built as below for cygwin, and the complete output

of "sage -t" on it at

http://sage.math.washington.edu/home/wstein/binaries/cygwin/

Thus if you want to try running sage-4.4.3 on Windows, this is an easy

way to try.

William

Jun 7, 2010, 1:48:25 AM6/7/10

to sage-windows

Hi,

I've updated

http://trac.sagemath.org/sage_trac/wiki/CygwinPort

so it lists most of the problems with *using* (not building) Sage on

Cygwin that were uncovered by doctesting, along with individual

tickets for each problem.

-- William

Jun 11, 2010, 5:12:13 PM6/11/10

to sage-windows

Hi,

I downloaded this and followed the rebasing instructions.

It works.

I ran all of the quick little tests I wrote for sage-4.3.4 binary.

Everything I try works.

I will leave it on for a while. In sage-4.3.4, eventually I would get

forking problems and I wouldn't be able to get into any of my

worksheets, although it worked for the first little while.

Also when I exit and I try to exit the cygwin bash shell, it asks to

'terminate batch process', but this python process won't quit until I

kill it manually. This is the python process that starts when I run

sage.

Andrew

> > I put these athttp://sage.math.washington.edu/home/wstein/patches/sage-cygwin-4.4.3...

I downloaded this and followed the rebasing instructions.

It works.

I ran all of the quick little tests I wrote for sage-4.3.4 binary.

Everything I try works.

I will leave it on for a while. In sage-4.3.4, eventually I would get

forking problems and I wouldn't be able to get into any of my

worksheets, although it worked for the first little while.

Also when I exit and I try to exit the cygwin bash shell, it asks to

'terminate batch process', but this python process won't quit until I

kill it manually. This is the python process that starts when I run

sage.

Andrew

Jun 14, 2010, 2:42:16 PM6/14/10

to sage-windows

Hi again,

I managed to reproduce the 'forking' problem.

In the notebook,

1. I loaded up four test worksheets, noted their individual PIDs, ran

all of the commands, and kept them in running state by hitting the

home button.

2. I came back about 1 and a half hour later and tried one at a time

to save and quit. When I tried to close the last one, the Cython demo,

the python process didn't close the any python processes. Turns out

time has nothing to do with it.

3. The notebook had gone back to the home page, but when I try to

load any worksheet it gives an error. On the command line is copy/

pasted below.

4. I manually close the PID associated with the Worksheet that failed

to quit. Of note, the python process was only using 740 KB when I

force quit it, while it was using over 100 MBs while running. So it

almost got there...

5. I can load worksheets again and continue working.

To reproduce simply: If I figure out how, I will attach the Cython

worksheet, if requested. Not sure if it has to do with Cython

specifically, but it seems to reproduce the bug every time using this

process:

1. Start the Cython worksheet and note PID.

2. Shift+Enter the Cython worksheet and let it finish processing

3. Hit HOME.

4. Go back into the Cython worksheet and Save and Quit.

5. Check to see if the PID has closed. Never does on my system.

6. Repeat 1-5 until the worksheet no longer loads.

7. Force quit all unclosed PIDs associated with the Cython worksheet.

8. Should be able to open up the worksheet and run it, as long as all

of the PIDs are closed.

Here is an attempt to copy/paste the worksheet:

sage: def slow_logistic(n,a,lamb = 3.82):

... """

... A slow logistic map.

... """

... q = a

... for i in range(n):

... q = lamb*q*(1-q)

... return q

sage: time a = slow_logistic(10^6,.5)

Time: CPU 3.72 s, Wall: 3.72 s

sage: %cython

sage: def cython_logistic(int n, float a, float lamb = 3.82):

... cdef float q

... q = a

... for i in range(n):

... q = lamb*q*(1-q)

... return q

sage: time a = cython_logistic(10^6,.5)

Time: CPU 0.03 s, Wall: 0.03 s

sage: 3.83 / 0.3

12.7666666666667

sage: def f_slow(x):

... return sin(x**2)

...

sage: def integrate_f_slow(a, b, N):

... s = 0

... dx = (b-a)/N

... for i in range(N):

... s += f_slow(a+i*dx)

... return s * dx

sage: %cython

sage: cdef extern from "math.h":

... double sin(double)

...

sage: cdef double f(double x):

... return sin(x*x)

...

sage: def integrate_f(double a, double b, int N):

... cdef int i

... cdef double s, dx

... s = 0

... dx = (b-a)/N

... for i in range(N):

... s += f(a+i*dx)

... return s * dx

sage: time integrate_f(0.0,1000.0,100000)

4.3718220505138667

Time: CPU 0.00 s, Wall: 0.00 s

sage: time integrate_f_slow(0.0, 1000.0, 100000)

4.37182205051387

Time: CPU 3.91 s, Wall: 3.94 s

sage: time integrate_f(0.0,1000.0,10000000)

0.62620775465178535

Time: CPU 0.89 s, Wall: 0.89 s

sage: time integrate_f(0.0,1000.0,100000000)

0.6261904582599962

Time: CPU 7.84 s, Wall: 7.86 s

Here is the full command line:

sage: notebook()

The notebook files are stored in: sage_notebook.sagenb

Removing stale pidfile sage_notebook.sagenb/twistd.pid

**************************************************

* *

* Open your web browser to http://localhost:8000 *

* *

**************************************************

Note: GNUTLS not available.

2010-06-14 09:28:10-0700 [-] Log opened.

2010-06-14 09:28:10-0700 [-] twistd 9.0.0 (/cygdrive/c/sage-4.4.3/

local/bin/python 2.6.4) starting up.

2010-06-14 09:28:10-0700 [-] reactor class:

twisted.internet.selectreactor.SelectReactor.

2010-06-14 09:28:10-0700 [-] twisted.web2.channel.http.HTTPFactory

starting on 8000

2010-06-14 09:28:10-0700 [-] Starting factory

<twisted.web2.channel.http.HTTPFactory instance at 0x7be48f4c>

2010-06-14 09:28:31-0700 [HTTPChannel,1,127.0.0.1] User 'atrapani'

logged in.

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] ERROR initializing

compute process:

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1]

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] Pexpect:

pty.fork() failed: out of pty devices

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] Exception

rendering:

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] Unhandled Error

Traceback (most recent call last):

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 181, in addCallbacks

self._runCallbacks()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 323, in _runCallbacks

self.result = callback(self.result, *args, **kw)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 284, in _continue

self.unpause()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 280, in unpause

self._runCallbacks()

--- <exception caught here> ---

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 323, in _runCallbacks

self.result = callback(self.result, *args, **kw)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/server.py", line 296, in <lambda>

d.addCallback(lambda res, req: res.renderHTTP(req), self)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/resource.py", line 85, in renderHTTP

return method(request)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/resource.py", line 202, in http_GET

return super(Resource, self).http_GET(request)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/resource.py", line 128, in http_GET

return self.render(request)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/sagenb-0.8-py2.6.egg/sagenb/notebook/twist.py", line 1534, in

render

self.worksheet.sage()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/sagenb-0.8-py2.6.egg/sagenb/notebook/worksheet.py", line

2852, in sage

self.initialize_sage()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/sagenb-0.8-py2.6.egg/sagenb/notebook/worksheet.py", line

2825, in initialize_sage

raise RuntimeError, msg

exceptions.RuntimeError: Pexpect: pty.fork() failed: out of

pty devices

I managed to reproduce the 'forking' problem.

In the notebook,

1. I loaded up four test worksheets, noted their individual PIDs, ran

all of the commands, and kept them in running state by hitting the

home button.

2. I came back about 1 and a half hour later and tried one at a time

to save and quit. When I tried to close the last one, the Cython demo,

the python process didn't close the any python processes. Turns out

time has nothing to do with it.

3. The notebook had gone back to the home page, but when I try to

load any worksheet it gives an error. On the command line is copy/

pasted below.

4. I manually close the PID associated with the Worksheet that failed

to quit. Of note, the python process was only using 740 KB when I

force quit it, while it was using over 100 MBs while running. So it

almost got there...

5. I can load worksheets again and continue working.

To reproduce simply: If I figure out how, I will attach the Cython

worksheet, if requested. Not sure if it has to do with Cython

specifically, but it seems to reproduce the bug every time using this

process:

1. Start the Cython worksheet and note PID.

2. Shift+Enter the Cython worksheet and let it finish processing

3. Hit HOME.

4. Go back into the Cython worksheet and Save and Quit.

5. Check to see if the PID has closed. Never does on my system.

6. Repeat 1-5 until the worksheet no longer loads.

7. Force quit all unclosed PIDs associated with the Cython worksheet.

8. Should be able to open up the worksheet and run it, as long as all

of the PIDs are closed.

Here is an attempt to copy/paste the worksheet:

sage: def slow_logistic(n,a,lamb = 3.82):

... """

... A slow logistic map.

... """

... q = a

... for i in range(n):

... q = lamb*q*(1-q)

... return q

sage: time a = slow_logistic(10^6,.5)

Time: CPU 3.72 s, Wall: 3.72 s

sage: %cython

sage: def cython_logistic(int n, float a, float lamb = 3.82):

... cdef float q

... q = a

... for i in range(n):

... q = lamb*q*(1-q)

... return q

sage: time a = cython_logistic(10^6,.5)

Time: CPU 0.03 s, Wall: 0.03 s

sage: 3.83 / 0.3

12.7666666666667

sage: def f_slow(x):

... return sin(x**2)

...

sage: def integrate_f_slow(a, b, N):

... s = 0

... dx = (b-a)/N

... for i in range(N):

... s += f_slow(a+i*dx)

... return s * dx

sage: %cython

sage: cdef extern from "math.h":

... double sin(double)

...

sage: cdef double f(double x):

... return sin(x*x)

...

sage: def integrate_f(double a, double b, int N):

... cdef int i

... cdef double s, dx

... s = 0

... dx = (b-a)/N

... for i in range(N):

... s += f(a+i*dx)

... return s * dx

sage: time integrate_f(0.0,1000.0,100000)

4.3718220505138667

Time: CPU 0.00 s, Wall: 0.00 s

sage: time integrate_f_slow(0.0, 1000.0, 100000)

4.37182205051387

Time: CPU 3.91 s, Wall: 3.94 s

sage: time integrate_f(0.0,1000.0,10000000)

0.62620775465178535

Time: CPU 0.89 s, Wall: 0.89 s

sage: time integrate_f(0.0,1000.0,100000000)

0.6261904582599962

Time: CPU 7.84 s, Wall: 7.86 s

Here is the full command line:

sage: notebook()

The notebook files are stored in: sage_notebook.sagenb

Removing stale pidfile sage_notebook.sagenb/twistd.pid

**************************************************

* *

* Open your web browser to http://localhost:8000 *

* *

**************************************************

Note: GNUTLS not available.

2010-06-14 09:28:10-0700 [-] Log opened.

2010-06-14 09:28:10-0700 [-] twistd 9.0.0 (/cygdrive/c/sage-4.4.3/

local/bin/python 2.6.4) starting up.

2010-06-14 09:28:10-0700 [-] reactor class:

twisted.internet.selectreactor.SelectReactor.

2010-06-14 09:28:10-0700 [-] twisted.web2.channel.http.HTTPFactory

starting on 8000

2010-06-14 09:28:10-0700 [-] Starting factory

<twisted.web2.channel.http.HTTPFactory instance at 0x7be48f4c>

2010-06-14 09:28:31-0700 [HTTPChannel,1,127.0.0.1] User 'atrapani'

logged in.

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] ERROR initializing

compute process:

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1]

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] Pexpect:

pty.fork() failed: out of pty devices

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] Exception

rendering:

2010-06-14 11:10:54-0700 [HTTPChannel,40,127.0.0.1] Unhandled Error

Traceback (most recent call last):

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 181, in addCallbacks

self._runCallbacks()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 323, in _runCallbacks

self.result = callback(self.result, *args, **kw)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 284, in _continue

self.unpause()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 280, in unpause

self._runCallbacks()

--- <exception caught here> ---

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/internet/defer.py", line 323, in _runCallbacks

self.result = callback(self.result, *args, **kw)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/server.py", line 296, in <lambda>

d.addCallback(lambda res, req: res.renderHTTP(req), self)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/resource.py", line 85, in renderHTTP

return method(request)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/resource.py", line 202, in http_GET

return super(Resource, self).http_GET(request)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/twisted/web2/resource.py", line 128, in http_GET

return self.render(request)

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/sagenb-0.8-py2.6.egg/sagenb/notebook/twist.py", line 1534, in

render

self.worksheet.sage()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/sagenb-0.8-py2.6.egg/sagenb/notebook/worksheet.py", line

2852, in sage

self.initialize_sage()

File "/cygdrive/c/sage-4.4.3/local/lib/python2.6/site-

packages/sagenb-0.8-py2.6.egg/sagenb/notebook/worksheet.py", line

2825, in initialize_sage

raise RuntimeError, msg

exceptions.RuntimeError: Pexpect: pty.fork() failed: out of

pty devices

Jun 14, 2010, 2:52:12 PM6/14/10

to sage-windows

I quit and rebooted the notebook() command and it no longer has

problems killing this Worksheet.

Time may be an important factor after all.

> ...

>

> read more »

problems killing this Worksheet.

Time may be an important factor after all.

>

> read more »

Jul 25, 2010, 11:26:53 PM7/25/10

to sage-windows

Hi,

I installed cywin as follow,

sage subshell$ uname -a

CYGWIN_NT-5.1 PC4482 1.7.5(0.225/5/3) 2010-04-12 19:07 i686 Cygwin

After untar sage-4.4.3 in my home directory, I start sage and get

following error

$ ./sage

----------------------------------------------------------------------

| Sage Version 4.4.3, Release Date: 2010-06-04 |

| Type notebook() for the GUI, and license() for information. |

----------------------------------------------------------------------

in <module

>

import IPython

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/__

init__.py", line 58, in <module>

__import__(name,glob,loc,[])

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/ip

struct.py", line 22, in <module>

from IPython.genutils import list2dict2

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/ge

nutils.py", line 59, in <module>

from IPython.external.path import path

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/ex

ternal/path.py", line 35, in <module>

import md5

File "/home/stephenloo/sage-4.4.3/local/lib/python/md5.py", line 10,

in <modul

e>

from hashlib import md5

File "/home/stephenloo/sage-4.4.3/local/lib/python/hashlib.py", line

136, in <

module>

md5 = __get_builtin_constructor('md5')

File "/home/stephenloo/sage-4.4.3/local/lib/python/hashlib.py", line

63, in __

get_builtin_constructor

import _md5

ImportError: No module named _md5

I have followed above guide to rebaseall. But the error still occurs.

Please help, thanks.

Stephen

> ...

>

> 閱讀更多 »

I installed cywin as follow,

sage subshell$ uname -a

CYGWIN_NT-5.1 PC4482 1.7.5(0.225/5/3) 2010-04-12 19:07 i686 Cygwin

After untar sage-4.4.3 in my home directory, I start sage and get

following error

$ ./sage

----------------------------------------------------------------------

| Sage Version 4.4.3, Release Date: 2010-06-04 |

| Type notebook() for the GUI, and license() for information. |

----------------------------------------------------------------------

Traceback (most recent call last):

File "/home/stephenloo/sage-4.4.3/local/bin/sage-ipython", line 18,
in <module

>

import IPython

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/__

init__.py", line 58, in <module>

__import__(name,glob,loc,[])

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/ip

struct.py", line 22, in <module>

from IPython.genutils import list2dict2

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/ge

nutils.py", line 59, in <module>

from IPython.external.path import path

File "/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/

IPython/ex

ternal/path.py", line 35, in <module>

import md5

File "/home/stephenloo/sage-4.4.3/local/lib/python/md5.py", line 10,

in <modul

e>

from hashlib import md5

File "/home/stephenloo/sage-4.4.3/local/lib/python/hashlib.py", line

136, in <

module>

md5 = __get_builtin_constructor('md5')

File "/home/stephenloo/sage-4.4.3/local/lib/python/hashlib.py", line

63, in __

get_builtin_constructor

import _md5

ImportError: No module named _md5

I have followed above guide to rebaseall. But the error still occurs.

Please help, thanks.

Stephen

>

> 閱讀更多 »

Jul 25, 2010, 11:37:45 PM7/25/10

to sage-w...@googlegroups.com

I think this has nothing to do with rebasing. I think you need to

install some

Cygwin library packages, maybe openssl...?

William

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Jul 26, 2010, 12:19:22 AM7/26/10

to sage-windows

Thanks, I install openssl library and fix this problem, but another

problem appear as below:

---------------------------------------------------------------------------

ImportError Traceback (most recent call

last)

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/IPython/

ipmaker.py

c in force_import(modname)

64 reload(sys.modules[modname])

65 else:

---> 66 __import__(modname)

67

68

/home/stephenloo/sage-4.4.3/local/bin/ipy_profile_sage.py in

<module>()

5 preparser(True)

6

----> 7 import sage.all_cmdline

8 sage.all_cmdline._init_cmdline(globals())

9

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

all_cmdline.p

y in <module>()

12 try:

13

---> 14 from sage.all import *

15 from sage.calculus.predefined import x

16 preparser(on=True)

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

all.py in <mo

dule>()

71

72 from sage.rings.all import *

---> 73 from sage.matrix.all import *

74

75 # This must come before Calculus -- it initializes the Pynac

library.

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

matrix/all.py

in <module>()

----> 1

2

3 from matrix_space import MatrixSpace, is_MatrixSpace

4 from constructor import matrix, Matrix, random_matrix,

diagonal_matrix,

identity_matrix, block_matrix, block_diagonal_matrix, jordan_block,

zero_matrix

5 from matrix import is_Matrix

6 from berlekamp_massey import berlekamp_massey

7

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

matrix/matrix

_space.pyc in <module>()

38 import matrix_modn_sparse

39

---> 40 import matrix_mod2_dense

41 #import matrix_mod2_sparse

42

ImportError: No such file or directory

Error importing ipy_profile_sage - perhaps you should run %upgrade?

WARNING: Loading of ipy_profile_sage failed.

sage:

Please help again.

Thanks,

Stephen

On 7月26日, 上午11時37分, William Stein <wst...@gmail.com> wrote:

> ...

>

> 閱讀更多 »

problem appear as below:

---------------------------------------------------------------------------

ImportError Traceback (most recent call

last)

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/IPython/

ipmaker.py

c in force_import(modname)

64 reload(sys.modules[modname])

65 else:

---> 66 __import__(modname)

67

68

/home/stephenloo/sage-4.4.3/local/bin/ipy_profile_sage.py in

<module>()

5 preparser(True)

6

----> 7 import sage.all_cmdline

8 sage.all_cmdline._init_cmdline(globals())

9

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

all_cmdline.p

y in <module>()

12 try:

13

---> 14 from sage.all import *

15 from sage.calculus.predefined import x

16 preparser(on=True)

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

all.py in <mo

dule>()

71

72 from sage.rings.all import *

---> 73 from sage.matrix.all import *

74

75 # This must come before Calculus -- it initializes the Pynac

library.

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

matrix/all.py

in <module>()

----> 1

2

3 from matrix_space import MatrixSpace, is_MatrixSpace

4 from constructor import matrix, Matrix, random_matrix,

diagonal_matrix,

identity_matrix, block_matrix, block_diagonal_matrix, jordan_block,

zero_matrix

5 from matrix import is_Matrix

6 from berlekamp_massey import berlekamp_massey

7

/home/stephenloo/sage-4.4.3/local/lib/python2.6/site-packages/sage/

matrix/matrix

_space.pyc in <module>()

38 import matrix_modn_sparse

39

---> 40 import matrix_mod2_dense

41 #import matrix_mod2_sparse

42

ImportError: No such file or directory

Error importing ipy_profile_sage - perhaps you should run %upgrade?

WARNING: Loading of ipy_profile_sage failed.

sage:

Please help again.

Thanks,

Stephen

On 7月26日, 上午11時37分, William Stein <wst...@gmail.com> wrote:

>

> 閱讀更多 »

Jan 19, 2011, 4:33:44 PM1/19/11

to sage-windows, andrew...@gmail.com

I'm just forwarding this to Sage-windows...

---------- Forwarded message ----------

From: Andrew Trapani <andrew...@gmail.com>

Date: Wed, Jan 19, 2011 at 1:29 PM

Subject: Re: rebasing: I got it to work -- sage-4.4.3 under Cygwin

To: William Stein <wst...@gmail.com>

I found a very easy to reproduce bug using the maxima function solve:

http://www.sagemath.org/doc/tutorial/tour_algebra.html

x = var('x')

solve(x^2 + 3*x + 2, x)

It starts up maxima, solves it, but then when I save and quit, the

maxima process is still running. A process leak.

Every time I reload this worksheet and re-run the solve function, it

starts a new maxima process which stays connected until I save/discard

and quit the worksheet.

I updated cygwin today, 1.7.1-1, and updated all the libraries,

restarted.

Another bug, potentially solved,

Before updating I tried it and I was getting the associated python

process with a worksheet wouldn't necessarily get killed when I save/

discard and quit from this worksheet. This would eventually cause me

to be unable to load any worksheets until I manually kill these python

processes.

After updating, I haven't been able to reproduce this worksheet

process leak. It used to be very easy to reproduce, by just opening

and closing worksheets randomly, eventually (a minute or two) it would

have a process leak. It may be the update to cygwin has solved, or

partially solved, the worksheet process leak.

Still looking forward to future work on windows Sage.

Andrew

> > I put these athttp://sage.math.washington.edu/home/wstein/patches/sage-cygwin-4.4.3...

> > temporarily, for convenience.

>

> > 2. don't worry about cvxopt, which doesn't build, and is the last

> > thing. The build fails, but we just ignore it.

>

> > 3. Sage doesn't start. Using "cygcheck" on problemative dll, we find

> > that a fix is to copy

>

> > libntl.dll.a to libntl.dll

>

> > in SAGE_ROOT/local/lib/

>

> > 4. Then sage starts up.

>

> > * But it can't fork. We have to rebase. See above.

>

> > ---

>

> > --

> > William Stein

> > Professor of Mathematics

> > University of Washington

> >http://wstein.org

>

> --

> William Stein

> Professor of Mathematics

> University of Washingtonhttp://wstein.org

Dec 3, 2011, 12:53:42 AM12/3/11

to sage-w...@googlegroups.com, Mike Hansen

On Monday, 7 June 2010 11:51:44 UTC+8, William stein wrote:

Hi,I put a tarball of sage-4.4.3 built as below for cygwin, and the complete output

of "sage -t" on it athttp://sage.math.washington.edu/home/wstein/binaries/cygwin/

Thus if you want to try running sage-4.4.3 on Windows, this is an easy

way to try.William

On Sun, Jun 6, 2010 at 2:37 AM, William Stein <wst...@gmail.com> wrote:

> Hi Mike (cc: Sage Windows)

>

> Here's the absurd way I got my sage-4.4.3 install to fork.

> Anyways, I did the following:

>

> (0) Read about rebasing: /usr/share/doc/Cygwin/rebase-3.0.1.README

>

> (1) Shutdown all cygwin processes using the task manager

>

> (2) Using command.exe run c:\cygwin\bin\ash then

>

> /bin/rebaseall -v

>

> which didn't help at all since it only rebase /usr/.

>

> (3) Tried Gary Zablackis's 2005 script, but by hand:

>

> cd /home/wstein/sage-4.4.3/

> /bin/find -name *.dll > Sage-dlls.lst

> /bin/rebaseall -v -T Sage-dlls.lst

>

> (4) The above failed with an error rebasing libpython.dll. So I

this is apparently a file permission problem, taken care of in #12096

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