Are you, by chance, using Intel E1000 NICs? See "Fighting the hardware" in Jodok's write-up: http://www.lovelysystems.com/batlogg/ 2007/03/30/the-decathlon-of-computer-science/

Stefan


On 10. Apr 2007, at 20:19, Alan Runyan wrote:

I am seeing something *very* strange in zeo.log:
2007-04-10T12:20:53 ERROR ZEO.zrpc.Connection(S) (172.16.235.120:49351) Erro
r caught in asyncore
Traceback (most recent call last):
File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 69, in read
   obj.handle_read_event()
File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 391, in han
dle_read_event
   self.handle_read()
File "/usr/local/zope/lib/python/ZEO/zrpc/smac.py", line 147, in handle_re
ad
   d = self.recv(8192)
File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 343, in rec
v
   data = self.socket.recv(buffer_size)
error: (113, 'No route to host')


but several more of these:
2007-04-10T13:55:36 ERROR ZEO.zrpc.Connection(S) (172.16.235.119:44322) Erro
r caught in asyncore
Traceback (most recent call last):
File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 69, in read
   obj.handle_read_event()
File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 391, in han
dle_read_event
   self.handle_read()
File "/usr/local/zope/lib/python/ZEO/zrpc/smac.py", line 147, in handle_re
ad
   d = self.recv(8192)
File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 343, in rec
v
   data = self.socket.recv(buffer_size)
error: (110, 'Connection timed out')

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