Hi,
This thread was about a distcc 2.17 bug causing the client to crash under heavy load (many machines in the farm are shut down).
Unfortunately distcc starts crashing only after many other instances have been started, so it's not easy to run the client in a debugger and get it to crash.
I do have core files, but they're not very informative, the stack seems to be messed up.
Any ideas on how to debug this? Any clue where the error might be in the new timeout code?
I wrote:
I've updated distcc from 2.16 to 2.17 and I'm experiencing crashes.
[...]
distcc[20711] ERROR: Connect timeout
distcc[20723] ERROR: Connect timeout
distcc[20724] ERROR: Connect timeout
distcc[20731] ERROR: Connect timeout
distcc[20727] ERROR: Connect timeout
distcc[20736] ERROR: Connect timeout
distcc[20730] ERROR: Connect timeout
distcc[20728] ERROR: Connect timeout
distcc[20729] ERROR: Connect timeout
distcc[20740] ERROR: Connect timeout
make[3]: *** [mesh/mesher.o] Segmentation fault (core dumped)
make[3]: *** Waiting for unfinished jobs....
make[3]: *** [mesh/reducedNeigh.o] Segmentation fault (core dumped)
make[3]: *** [mesh/vertices.o] Segmentation fault (core dumped)
make[3]: *** [mesh/splitting.o] Segmentation fault (core dumped)
make[3]: *** [mesh/surface.o] Segmentation fault (core dumped)
make[3]: *** [mesh/surf2facet.o] Segmentation fault (core dumped)
make[3]: *** [mesh/triangles.o] Segmentation fault (core dumped)
make[3]: *** [mesh/voxel2facet.o] Segmentation fault (core dumped)
make[3]: *** [mesh/meshMerge.o] Segmentation fault (core dumped)
make[3]: *** [mesh/smoothing.o] Segmentation fault (core dumped)
make[2]: *** [all] Error 2
make[2]: Leaving directory [...]
$ gdb /usr/local/distcc/bin/distcc aimsalgo-linux-default/src/aimsalgo/core.20711
[...]
Core was generated by `g++ -c -Wall -W -D_REENTRANT -DCARTO_DEBUGMODE="default" -DAIMS -I/home/usernam'.
Program terminated with signal 11, Segmentation fault.
[...]
#0 0xbffff0c0 in ?? ()
(gdb) bt
#0 0xbffff0c0 in ?? ()
Cannot access memory at address 0x50ea
(gdb)
$
Regards,
Dimitri
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