[Vm-dev] Floating point exception

[Levente Uzonyi]

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