[Valgrind-users] vex mips->IR: unhandled instruction bytes

[Zhu, Y. <Yan...@vi...>]

Has anyone seen this error in MIPS64 platform running Valgrind 3.10.1?

# valgrind /var/www/cgi-bin/view_status.cgi
==1957== Memcheck, a memory error detector
==1957== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==1957== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==1957== Command: /var/www/cgi-bin/view_status.cgi
==1957==
vex mips->IR: unhandled instruction bytes: 0xD8 0x5D 0x4 0x16
==1957== valgrind: Unrecognised instruction at address 0x4002484.
==1957==    at 0x4002484: dl_main (rtld.c:1301)
==1957==    by 0x400243C: dl_main (rtld.c:1286)
==1957== Your program just tried to execute an instruction that Valgrind
==1957== did not recognise.  There are two possible reasons for this.
==1957== 1. Your program has a bug and erroneously jumped to a non-code
==1957==    location.  If you are running Memcheck and you just saw a
==1957==    warning about a bad jump, it's probably your program's fault.
==1957== 2. The instruction is legitimate but Valgrind doesn't handle it,
==1957==    i.e. it's Valgrind's fault.  If you think this is the case or
==1957==    you are not sure, please let us know and we'll try to fix it.
==1957== Either way, Valgrind will now raise a SIGILL signal which will
==1957== probably kill your program.
==1957==
==1957== Process terminating with default action of signal 4 (SIGILL)
==1957==  Illegal opcode at address 0x4002484
==1957==    at 0x4002484: dl_main (rtld.c:1301)
==1957==    by 0x400243C: dl_main (rtld.c:1286)
==1957==
==1957== HEAP SUMMARY:
==1957==     in use at exit: 0 bytes in 0 blocks
==1957==   total heap usage: 0 allocs, 0 frees, 0 bytes allocated
==1957==
==1957== All heap blocks were freed -- no leaks are possible
==1957==
==1957== For counts of detected and suppressed errors, rerun with: -v
==1957== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
Illegal instruction

Thanks,
Yanwen