[Bug 193597] kio_smtp hangs, waiting to acquire lock; sending mail is then impossible
gareth.mccaughan at pobox.com
Sat May 23 03:41:10 CEST 2009
--- Comment #2 from Gareth McCaughan <gareth mccaughan pobox com> 2009-05-23 03:41:08 ---
Unfortunately, attempting to attach gdb (version 6.1.1, in case it matters) to
either the kio_smtp process or the klauncher process doesn't do anything useful
for me. I've tried two ways. Firstly, just with -p [process ID]. That gives me
this internal error:
internal-error: legacy_fetch_link_map_offsets called without legacy link_map
A problem internal to GDB has been detected,
further debugging may prove unreliable.
which I get again if I ask it not to quit. After that, gdb just sits there
doing nothing. (I'm guessing that it's trying to talk to the process I've asked
it to debug, which isn't responding because it's too busy waiting for a lock
it's never going to get.)
If instead I provide gdb with a path to the kdeinit4 executable (that's the
right thing for attaching to kio_smtp, yesno?) I don't get the errors; instead
gdb goes straight to sitting there ignoring me.
(In both cases, gdb is not killable with ctrl-C, but I can e.g. ctrl-Z it and
then kill the gdb process.)
My gdb-fu is pretty weak and I may very well be missing something simple. Is
there some cleverer way I could get a backtrace? Any point poking at the
process's /proc entry in search of its stack, or anything?
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