Problems with dectmon

Patrick McHardy kaber at trash.net
Wed Nov 3 03:11:53 UTC 2010


Am 31.10.2010 21:03, schrieb Oscar Soriano Riera:
> Hi Patrick
> I compile and install the dectmon perfect, but when i will to execute the dectmon always get a segment default, here are the output kerneloops:

For the last time, please use the linux-dect list for reporting
problems. Also don't send your mail as reply to an arbitrary
mail but start a new thread for a new subject.

> *root at DECT:/usr/src/dectmon/src# ./dectmon *
> **** glibc detected *** ./dectmon: free(): invalid next size (normal): 0x095bf5c8 ****
> *======= Backtrace: =========*
> */lib/i686/cmov/libc.so.6(+0x6b281)[0xb771b281]*
> */lib/i686/cmov/libc.so.6(+0x6cad8)[0xb771cad8]*
> */lib/i686/cmov/libc.so.6(cfree+0x6d)[0xb771fbbd]*
> */usr/local/lib/libnl.so.3(nlmsg_free+0x83)[0xb78381d3]*
> */usr/local/lib/libnl-dect.so.3(nl_dect_cluster_query+0x50)[0xb78450b0]*
> */usr/lib/libdect.so.0(+0x1cc9d)[0xb781ec9d]*
> */usr/lib/libdect.so.0(dect_open_handle+0xbd)[0xb7806e5d]*
> *./dectmon[0x804cbec]*
> */lib/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xb76c6c76]*
> *./dectmon[0x8049021]*

This unfortunately doesn't show the cause of the crash, the nlmsg_free()
is definitely correct. It is also unreproducable here.

Please try running dectmon under valgrind to see whether it can locate
the real cause (valgrind src/dectmon).




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