I think this problem has returned with 10.10 (synaptic 0.63.1ubuntu14)
I ran into this problem with 9.04 or 9.10, cant remember which but
haven't seen it with 10.04
But I have just had the same thing happen with 10.10 with all updates
applied as of 3rd Nov.
I had simply set synaptic - preferences - network tab - Manual proxy
configuration http to a local lan ip and custom port.
This first step worked but it took synaptic quite a while to respond.
The problem / synaptic hang occurred when I went to return to "Direct
connection to the internet" setting a while later.
I tried to run synaptic via gksudo synaptic but no additional lines were
output to terminal during the attempt to change back to direct.
I changed
useProxy "1"
to
useProxy "0"
in /root/.synaptic/synaptic.conf
to change back to no proxy successfully (as Timotheo above, thanks)
I am now not able to reselect the remembered proxy setting via the gui as above.
I have again run synaptic via gksudo and again no additional lines were output
but running system monitor show that 2 processes are busy
at-spi-registryd and synaptic taking 50% cpu each for a while then synaptic
raising to 90 odd and at-spi-registryd is then mostly sleeping and jumping
around the 2-4% cpu.
Force quitting via gui prompt when closing the main synaptic window (the
proxy window is still open) results in synaptic still running according
to processes in system monitor. Killing via system monitor works
though.
race condition?
I tried to get further information by:-
gksudo strace synaptic
and caught the following repeating endlessly after I had tried to change the
proxy settings:-
poll([{fd=6, events=POLLIN}, {fd=11, events=POLLIN|POLLPRI}, {fd=12,
events=POLLIN|POLLPRI}], 3, -1) = 1 ([{fd=11, revents=POLLIN}])
read(11, "GIOP\1\2\1\1$\0\0\0", 12) = 12
read(11, "X0\365X\0\0\0\0\1\0\0\0\1\0\0\0\f\0\0\0\1\1\1\1\1\0\1\5\t\1\1\0"...,
36) = 36
writev(11, [{"GIOP\1\2\1\0\200\v\0\0", 12},
{"X0\365X\3\0\0\0\0\0\0\0\34\0\0\0\0\0\0\0\225P\330\310\314\255((\300+(("...,
2044}, {"ROLE_TOOL_TIP\0\0\0\n\0\0\0ROLE_TREE\0\0\0"..., 900}], 3) = 2956
Hope this helps.
--
SYNAPTIC PACKAGER MANGER PROXY FREEZE
https://bugs.launchpad.net/bugs/112397
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