Hi, I stumbled across this as well and I rebuild atop with nostrip which gave me this backtrace:
----SNIP----
/tmp/atop-dbg/atop-1.27.3$ gdb /usr/bin/atop
/var/lib/coredumps/atop.1440280803/core
Reading symbols from /usr/bin/atop...done.
[New LWP 27858]
Core was generated by `/usr/bin/atop -a -w /var/log/atop/atop_20150823 600'.
Program terminated with signal SIGFPE, Arithmetic exception.
#0 0x0000000000407662 in acctprocnt () at acctproc.c:571
warning: Source file is more recent than executable.
571 return (statacc.st_size - acctsize) / acctrecsz;
gdb $ bt full
#0 0x0000000000407662 in acctprocnt () at acctproc.c:571
statacc = {
st_dev = 18,
st_ino = 996486,
st_nlink = 1,
st_mode = 33152,
st_uid = 0,
st_gid = 0,
__pad0 = 0,
st_rdev = 0,
st_size = 0,
st_blksize = 4096,
st_blocks = 0,
st_atim = {
tv_sec = 1440280803,
tv_nsec = 90171947
},
st_mtim = {
tv_sec = 1440280803,
tv_nsec = 89171920
},
st_ctim = {
tv_sec = 1440280803,
tv_nsec = 89171920
},
__glibc_reserved = {0, 0, 0}
}
#1 0x0000000000403242 in engine () at atop.c:829
lastcmd = <optimized out>
nactproc = 4285065470
totslpi = -1613224016
devsstat = 0x7fb47489d010
curpact = 0x7fb474867010
curpexit = <optimized out>
devtstat = <optimized out>
ntask = 280
sigact = {
__sigaction_handler = {
sa_handler = 0x403890 <getalarm>,
sa_sigaction = 0x403890 <getalarm>
},
sa_mask = {
__val = {0 <repeats 16 times>}
},
sa_flags = 0,
sa_restorer = 0x0
}
devpstat = <optimized out>
nexit = <optimized out>
ndeviat = <optimized out>
totproc = 1
totrun = 0
totslpu = 32767
totzombie = 1954458716
presstat = 0x7fb474981010
curplen = 298
i = <optimized out>
noverflow = <optimized out>
hlpsstat = 0x7fb474981010
j = <optimized out>
timelimit = 0
cursstat = 0x7fb47490f010
#2 main (argc=<optimized out>, argv=<optimized out>) at atop.c:659
i = <optimized out>
c = <optimized out>
p = <optimized out>
rlim = {
rlim_cur = 18446744073709551615,
rlim_max = 18446744073709551615
}
gdb $ print acctrecsz
$1 = 0
----SNIP----
This is a global variable in acctproc.c. Unfortunately, I didn't have the
time to investigate this yet.
Cheers,
sur5r
--
ceterum censeo microsoftem esse delendam.
pgpA0pwdtKtHy.pgp
Description: OpenPGP digital signature
