[Vm-dev] Floating point exception

Eliot Miranda eliot.miranda at gmail.com
Mon Nov 21 00:56:35 UTC 2016


Hi Levente,

    just saw and fixed this.  See

Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 0e510b13177d52165e689d78414c6870b2a62196
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/
0e510b13177d52165e689d78414c6870b2a62196

Apologies.

On Sun, Nov 20, 2016 at 4:25 PM, Levente Uzonyi <leves at caesar.elte.hu>
wrote:

>
> 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/sqcogs
> pur64linuxht/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/OpenSmallta
> lk/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/OpenSmallta
> lk/opensmalltalk-vm/src/plugins/FilePlugin/FilePlugin.c:1023
> #1  0x0000000000901148 in ?? ()
> #2  0x00007ffffff98c51 in ?? ()
> #3  0x0000000000459518 in interpret () at /home/travis/build/OpenSmallta
> lk/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
>



-- 
_,,,^..^,,,_
best, Eliot
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