[Mono-bugs] [Bug 566296] New: abort in mono_local_regalloc while JITting a verified method

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=566296

http://bugzilla.novell.com/show_bug.cgi?id=566296#c0


           Summary: abort in mono_local_regalloc while JITting a verified
                    method
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.6.x
          Platform: x86-64
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: JIT
        AssignedTo: lupus at novell.com
        ReportedBy: spouliot at novell.com
         QAContact: mono-bugs at lists.ximian.com
                CC: rkumpera at novell.com
          Found By: ---
           Blocker: ---


Created an attachment (id=333579)
 --> (http://bugzilla.novell.com/attachment.cgi?id=333579)
assembly to reproduce abort

on x86_64 (will try later on x86)

MONO_PATH=/opt/mono/lib/moonlight/plugin/ gdb --args mono --security=core-clr
--compile-all System.Windows.Browser.sigabrt.50556.dll

** ERROR **: Opcode 'float_conv_to_ovf_i2_un' missing from machine description
file.
aborting...

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x40707950 (LWP 19942)]
0x00007f6ff4aab5c5 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007f6ff4aab5c5 in raise () from /lib64/libc.so.6
#1  0x00007f6ff4aacbb3 in abort () from /lib64/libc.so.6
#2  0x00007f6ff58bd54b in g_logv () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6ff58bd5e3 in g_log () from /usr/lib64/libglib-2.0.so.0
#4  0x00000000004c1d72 in mono_local_regalloc (cfg=0xb049f0, bb=0xae1c18) at
mini-codegen.c:1118
#5  0x000000000041e579 in mono_codegen (cfg=0xb049f0) at mini.c:2986
#6  0x000000000042063d in mini_method_compile (method=0xaec380, opts=55667199,
domain=0x7f6ff5defdb0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3813
#7  0x00000000004a3d32 in compile_all_methods_thread_main (args=0x7ffffdf5fac0)
at driver.c:881
#8  0x00000000005af87a in start_wrapper (data=0xa29150) at threads.c:662
#9  0x000000000065896b in thread_start_routine (args=0x9fbc30) at
wthreads.c:286
#10 0x0000000000671b86 in GC_start_routine (arg=0x7f6ff5df0e70) at
pthread_support.c:1390
#11 0x00007f6ff502f040 in start_thread () from /lib64/libpthread.so.0
#12 0x00007f6ff4b4c08d in clone () from /lib64/libc.so.6
#13 0x0000000000000000 in ?? ()
(gdb) up 4
#4  0x00000000004c1d72 in mono_local_regalloc (cfg=0xb049f0, bb=0xae1c18) at
mini-codegen.c:1118
1118                g_error ("Opcode '%s' missing from machine description
file.", mono_inst_name (ins->opcode));
(gdb) p spec
$1 = 0x6ac440 ""
(gdb) p spec_dest
$2 = 0 '\0'
(gdb) p ins->opcode
$3 = 694
(gdb) up 2
#6  0x000000000042063d in mini_method_compile (method=0xaec380, opts=55667199,
domain=0x7f6ff5defdb0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3813
3813            mono_codegen (cfg);
(gdb) p method->name
$4 = 0x7f6ff5dcf53f "RemoveEventFromUnmanagedSafe"
(gdb) p method->klass->name
$5 = 0x7f6ff5dcd93a "ScriptableObjectWrapper"
(gdb) p method->klass->name_space
$6 = 0x7f6ff5dccb25 "System.Windows.Browser"

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