On Dec 20, 2007 8:55 AM, mhampton <[EMAIL PROTECTED]> wrote: > > OK, I will give the server logs here in case they are of interest. I > am still not sure what went wrong. I will have to find a quicker way > to do my calculation - perhaps cast things to floats, and use python's > math.abs().
If you can reproduce this it would be very valuable. The public notebooks run for weeks without ever crashing, but clearly you did crash the notebook server below somehow. -- William > As a preamble to the server logs: it looked like I was dropped into a > python session, so I entered "exit()". Then I pressed CTRL-C several > times and got back to a sage prompt, and from there restarted the > notebook, which seems fine, none of the worksheets are active. Here > is server output: > > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] End Of File > (EOF) in read_nonblocking(). Empty string style platform. > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] > <pexpect.spawn instance at 0x2af6ee0> > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] version: 2.0 > ($Revision: 1.151 $) > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] command: / > Volumes/D/sage-2.8.4.1/sage > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] args: ['/ > Volumes/D/sage-2.8.4.1/sage', '-python', '-u'] > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] patterns: > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] >>> > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] buffer (last > 100 chars): > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] before (last > 100 chars): > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] after: <class > 'pexpect.EOF'> > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] match: None > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] match_index: > None > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] exitstatus: > None > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] flag_eof: 1 > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] pid: 9636 > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] child_fd: 15 > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] timeout: 30 > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] delimiter: > <class 'pexpect.EOF'> > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] logfile: None > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] maxread: 1 > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] > searchwindowsize: None > 2007/12/20 08:51 -0500 [HTTPChannel,11974,71.221.40.252] > delaybeforesend: 0 > Python 2.5.1 (r251:54863, Sep 21 2007, 09:05:53) > [GCC 4.0.1 (Apple Computer, Inc. build 5367)] on darwin > Type "help", "copyright", "credits" or "license" for more information. > >>> > >>> exit() > 2007/12/20 10:45 -0500 [HTTPChannel,11974,71.221.40.252] Exception > rendering: > 2007/12/20 10:45 -0500 [HTTPChannel,11974,71.221.40.252] Unhandled > Error > Traceback (most recent call last): > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/internet/defer.py", line 182, in addCallbacks > self._runCallbacks() > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/internet/defer.py", line 317, in _runCallbacks > self.result = callback(self.result, *args, **kw) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/internet/defer.py", line 281, in _continue > self.unpause() > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/internet/defer.py", line 277, in unpause > self._runCallbacks() > --- <exception caught here> --- > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/internet/defer.py", line 317, in _runCallbacks > self.result = callback(self.result, *args, **kw) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/web2/server.py", line 268, in <lambda> > d.addCallback(lambda res, req: res.renderHTTP(req), self) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/web2/resource.py", line 85, in renderHTTP > return method(request) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/web2/resource.py", line 202, in http_GET > return super(Resource, self).http_GET(request) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/twisted/web2/resource.py", line 128, in http_GET > return self.render(request) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/sage/server/notebook/twist.py", line 1061, in render > self.worksheet.restart_sage() > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/sage/server/notebook/worksheet.py", line 1351, in > restart_sage > ulimit = self.notebook().get_ulimit()) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/sage/server/notebook/worksheet.py", line 79, in > initialized_sage > S._start(block_during_init=False) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site- > packages/sage/interfaces/expect.py", line 463, in _start > raise RuntimeError, "Unable to start %s"%self.__name > exceptions.RuntimeError: Unable to start sage > > ^C^C2007/12/20 10:46 -0500 [-] (Notebook cleanly saved. Press control- > C again to exit.) > 2007/12/20 10:46 -0500 [-] (Notebook cleanly saved. Press control-C > again to exit.) > ^C^C^CERROR: Internal Python error in the inspect module. > Below is the traceback from this internal error. > > Traceback (most recent call last): > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site-packages/ > IPython/ultraTB.py", line 491, in text > records = _fixed_getinnerframes(etb, context,self.tb_offset) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site-packages/ > IPython/ultraTB.py", line 124, in _fixed_getinnerframes > records = inspect.getinnerframes(etb, context) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/inspect.py", line > 877, in getinnerframes > framelist.append((tb.tb_frame,) + getframeinfo(tb, context)) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/inspect.py", line > 837, in getframeinfo > filename = getsourcefile(frame) or getfile(frame) > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/inspect.py", line > 386, in getsourcefile > for suffix, mode, kind in imp.get_suffixes(): > File "/Volumes/D/sage-2.8.4.1/local/lib/python2.5/site-packages/sage/ > interfaces/get_sigs.py", line 9, in my_sigint > raise KeyboardInterrupt > KeyboardInterrupt > > Unfortunately, your original traceback can not be constructed. > > > > On Dec 20, 8:13 am, "William Stein" <[EMAIL PROTECTED]> wrote: > > > On Dec 20, 2007 7:08 AM, mhampton <[EMAIL PROTECTED]> wrote: > > > > > > > > > What is lisp.run? I was doing a pretty simple calculation, which > > > > lisp.run is the name of the clisp interpreter, which maxima uses. > > So in your calculation, you were evidentily doing a big maxima > > calculation. > > > > > ended up taking a long time (12+ hours, I was expecting maybe 30 > > > minutes tops), and I noticed that lisp.run seemed to be doing all the > > > work. After poking around, my best guess is that it was somehow being > > > called by the abs() function through pari or maxima (I had a loop that > > > was doing about 180,000 calls to abs()). > > > > Yep. > > > > > I also managed to crash my sage server to some extent, so I can't > > > immediately supply better diagnostics - interrupting the calculation > > > > Wow. It should be very very difficult to crash the sage server, since > > it is very much a separate process from anything that does any > > computing, and the linking between the two processes is only > > via a pseudo-tty, so it's very hard to crash the server -- in fact I know > > of no systematic way to do so. > > > > > didn't work, so I tried quitting/restarting the worksheet, and now I > > > can't access the server at all. When I get in to my office I can > > > check this out in more detail. By running 'tops' remotely it looks > > > like my other worksheet processes are still hanging around but I am > > > not sure. > > > > It's likely. > > > > William > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---
