This may be partially resolved by the reintroduction of the patch in bug
1233185. The initial Stacktrace still ends in a corrupt stack but the
non-multiarch version of gdb is able to produce a more useful Stacktrace
and a StacktraceAddressSignature when retracing the crash. For example,
with the gnome calculator crash from apport test crashes we can see the
following differences.
Stacktrace:
#0 0x4081ed22 in poll () from /lib/arm-linux-gnueabihf/libc.so.6
No symbol table info available.
#1 0x4067c4e6 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
After retracing:
Stacktrace:
#0 0x4081ed22 in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1 0x4067c4e6 in g_main_context_poll (priority=2147483647, n_fds=1,
fds=0x41400c68, timeout=-1, context=0xd00d0) at
/build/buildd/glib2.0-2.40.0/./glib/gmain.c:4028
poll_func = 0x406862a5 <g_poll>
#2 g_main_context_iterate (context=context@entry=0xd00d0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
/build/buildd/glib2.0-2.40.0/./glib/gmain.c:3729
max_priority = 2147483647
timeout = -1
some_ready = <optimized out>
nfds = 1
allocated_nfds = <optimized out>
fds = 0x41400c68
#3 0x4067c588 in g_main_context_iteration (context=context@entry=0xd00d0,
may_block=may_block@entry=1) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3795
retval = <optimized out>
#4 0x410c1cd0 in dconf_gdbus_worker_thread (user_data=0xd00d0) at
dconf-gdbus-thread.c:82
context = 0xd00d0
#5 0x40695eea in g_thread_proxy (data=0x9db80) at
/build/buildd/glib2.0-2.40.0/./glib/gthread.c:764
thread = 0x9db80
#6 0x4077efbc in start_thread (arg=0x413ff2d0) at pthread_create.c:314
pd = 0x413ff2d0
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1094710504, 1094709968, 1,
1094708424, 1094708752, 1081684380, 1094710532, -1090523248, 220780268,
207672765, 0 <repeats 54 times>}, mask_was_saved = 0}}, priv = {pad = {0x0,
0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
not_first_call = 0
pagesize_m1 = <optimized out>
sp = <optimized out>
freesize = <optimized out>
__PRETTY_FUNCTION__ = "start_thread"
#7 0x40827b3c in ?? () at
../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from
/srv/daisy.staging.ubuntu.com/production/cache/Ubuntu
14.04/cache-DhmXbj/sandbox/lib/arm-linux-gnueabihf/libc.so.6
No locals.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
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https://bugs.launchpad.net/bugs/1325503
Title:
gdb reports 'corrupt stack' on armhf without symbols
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