[Mono-bugs] [Bug 471947] New: Crash in mono_debugger_lock

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=471947


           Summary: Crash in mono_debugger_lock
    Classification: Mono
           Product: Mono: Runtime
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: debug
        AssignedTo: martin at novell.com
        ReportedBy: rkvinge at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


With monodevelop and mono trunk (r125318), and whenever monodevelop crashes, it
exits with this:

**
** ERROR:(mono-debug-debugger.c:55):mono_debugger_lock: assertion failed:
(initialized)

(and nothing more)

attaching gdb gives a stacktrace:

gdb) bt
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7e79900 in *__GI_raise (sig=6) at
./nptl/sysdeps/unix/sysv/linux/raise.c:64
#2  0xb7e7b238 in *__GI_abort () at abort.c:88
#3  0xb8068029 in g_assertion_message () from /usr/lib/libglib-2.0.so.0
#4  0xb80684bd in g_assertion_message_expr () from /usr/lib/libglib-2.0.so.0
#5  0x0816b310 in mono_debugger_lock () at mono-debug-debugger.c:55
#6  0x0810674d in mono_debug_print_stack_frame (method=0xb6b34bbc,
native_offset=4, domain=0x25ee0) at mono-debug.c:1082
#7  0x080cf186 in print_stack_frame (method=0xb6b34bbc, native_offset=4,
il_offset=-1, managed=0, data=0xb7f8e560) at mini-exceptions.c:1360
#8  0x080d10e9 in mono_jit_walk_stack_from_ctx (func=0x80cf160
<print_stack_frame>, start_ctx=0x0, do_il_offset=1, user_data=0xb7f8e560) at
mini-exceptions.c:536
#9  0x080d13f7 in mono_jit_walk_stack (func=0x80cf160 <print_stack_frame>,
do_il_offset=1, user_data=0xb7f8e560) at mini-exceptions.c:546
#10 0x080d1477 in mono_handle_native_sigsegv (signal=6, ctx=0xbf9f2e8c) at
mini-exceptions.c:1411
#11 <signal handler called>
#12 0xffffe430 in __kernel_vsyscall ()
#13 0xb7e79900 in *__GI_raise (sig=6) at
./nptl/sysdeps/unix/sysv/linux/raise.c:64
#14 0xb7e7b238 in *__GI_abort () at abort.c:88
#15 0xb7e7270e in *__GI___assert_fail (assertion=0xb662f304
"xcb_get_request_sent(dpy->xcb->connection) == dpy->request", file=0xb662f1c0
"xcb_lock.c", line=33, function=0xb662f383 "_XCBUnlockDisplay") at assert.c:78
#16 0xb65be80e in ?? () from /usr/lib/libX11.so.6
#17 0xb646068c in XRenderCompositeTrapezoids (dpy=0xb6b49260, op=3,
src=61047762, dst=61048837, maskFormat=0xb5b527e0, xSrc=37, ySrc=77,
traps=0xb11bfc00, ntrap=0) at Trap.c:71

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