Floating point exception

Hi All,

Recent 64-bit Spur VMs produce this on linux in seemingly random situations (running the tests, updating, etc).
Here's what gdb says:

Starting program: /squeak/spur64/products/sqcogspur64linuxht/lib/squeak/5.0-201611191805/squeak Squeak5.1-16548-64bit.image
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff45b7700 (LWP 24411)]

Program received signal SIGFPE, Arithmetic exception.
primitiveFileRead () at /home/travis/build/OpenSmalltalk/opensmalltalk-vm/src/plugins/FilePlugin/FilePlugin.c:1023
1023 /home/travis/build/OpenSmalltalk/opensmalltalk-vm/src/plugins/FilePlugin/FilePlugin.c: No such file or directory.
(gdb) bt
#0  primitiveFileRead () at /home/travis/build/OpenSmalltalk/opensmalltalk-vm/src/plugins/FilePlugin/FilePlugin.c:1023
#1  0x0000000000901148 in ?? ()
#2  0x00007ffffff98c51 in ?? ()
#3  0x0000000000459518 in interpret () at /home/travis/build/OpenSmalltalk/opensmalltalk-vm/spur64src/vm/gcc3x-cointerp.c:2611
#4  0x0000000000988eb0 in ?? ()
#5  0x0000000000000001 in ?? ()
#6  0x0000000000000009 in ?? ()
--- skip
#76 0x0000000000000000 in ?? ()
(gdb) info registers
rax            0x0      0
rbx            0xf4a7a8 16033704
rcx            0x0      0
rdx            0x0      0
rsi            0xf4cc10 16043024
rdi            0xf4cc00 16043008
rbp            0x7ffffffb0610   0x7ffffffb0610
rsp            0x7ffffff98c00   0x7ffffff98c00
r8             0x901148 9441608
r9             0xa      10
r10            0x769ee0 7773920
r11            0x2460ed8        38145752
r12            0xf4cc00 16043008
r13            0x0      0
r14            0x0      0
r15            0x0      0
rip            0x4b05a1 0x4b05a1 <primitiveFileRead+289>
eflags         0x10246  [ PF ZF IF RF ]
cs             0x33     51
ss             0x2b     43
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0

Levente