This repository has been archived by the owner on Dec 8, 2022. It is now read-only.
mir server hangs on startup #15
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Merged
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How can we test this? |
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The error was only visible in the hybris edge rootfs - the behavior is that the spinner would not show up. |
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So its fixed now? |
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yep |
mariogrip
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Jun 16, 2019
808: Fix Mir unit tests r=AlanGriffiths a=wmww With `std::list`, Mir unit tests segfaults with the following stack trace. Don't have enough motivation at the moment (or enough understanding of `std::list`) to figure out why. It seems likely there is a root cause I haven't actually addressed, so if you have ideas on what it may be or how to debug it, I'm all ears. ``` GNU gdb (Ubuntu 8.2.91.20190405-0ubuntu3) 8.2.91.20190405-git Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./bin/mir_unit_tests... (gdb) r Starting program: /home/wmww/code/mir/build/bin/mir_unit_tests MIR_CLIENT_PLATFORM_PATH=/home/wmww/code/mir/build/bin/../lib/client-modules/ MIR_SERVER_PLATFORM_PATH=/home/wmww/code/mir/build/bin/../lib/server-modules/ LD_LIBRARY_PATH=:/usr/local/lib:/usr/local/lib:/home/wmww/code/mir/build/bin/../lib exec=/home/wmww/code/mir/build/bin/mir_unit_tests.bin process 3530 is executing new program: /home/wmww/code/mir/build/bin/mir_unit_tests.bin [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. 0x0000555557873374 in std::_Function_base::_M_empty (this=0x10) at /usr/include/c++/8/bits/std_function.h:260 260 bool _M_empty() const { return !_M_manager; } (gdb) bt #0 0x0000555557873374 in std::_Function_base::_M_empty() const (this=0x10) at /usr/include/c++/8/bits/std_function.h:260 #1 0x00005555588889bd in std::function<std::experimental::fundamentals_v1::optional<int> (char const*, int, unsigned int)>::operator()(char const*, int, unsigned int) const (this=0x10, __args#0=0x5555597a6af0 "/home/wmww/code/mir/build/bin/mir_unit_tests.bin", __args#1=524288, __args#2=0) at /usr/include/c++/8/bits/std_function.h:685 #2 0x00005555588882b9 in (anonymous namespace)::run_handlers(char const*, int, mode_t) (path=0x5555597a6af0 "/home/wmww/code/mir/build/bin/mir_unit_tests.bin", flags=524288, mode=0) at /home/wmww/code/mir/tests/mir_test_framework/open_wrapper.cpp:58 #3 0x000055555888841a in open(char const*, int, mode_t) (path=0x5555597a6af0 "/home/wmww/code/mir/build/bin/mir_unit_tests.bin", flags=524288, mode=0) at /home/wmww/code/mir/tests/mir_test_framework/open_wrapper.cpp:78 #4 0x00007ffff7784262 in lttng_ust_elf_create () at /usr/lib/x86_64-linux-gnu/liblttng-ust.so.0 #5 0x00007ffff7785e5e in () at /usr/lib/x86_64-linux-gnu/liblttng-ust.so.0 #6 0x00007ffff737b557 in __GI___dl_iterate_phdr (callback=0x7ffff7785fd0, data=0x7fffffffdb90) at dl-iteratephdr.c:75 #7 0x00007ffff77864eb in lttng_ust_dl_update () at /usr/lib/x86_64-linux-gnu/liblttng-ust.so.0 #8 0x00007ffff77662e9 in () at /usr/lib/x86_64-linux-gnu/liblttng-ust.so.0 #9 0x00007ffff7fe295a in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7fffffffe0e8, env=env@entry=0x7fffffffe0f8) at dl-init.c:72 #10 0x00007ffff7fe2a59 in call_init (env=0x7fffffffe0f8, argv=0x7fffffffe0e8, argc=1, l=<optimized out>) at dl-init.c:30 #11 0x00007ffff7fe2a59 in _dl_init (main_map=0x7ffff7ffe190, argc=1, argv=0x7fffffffe0e8, env=0x7fffffffe0f8) at dl-init.c:119 #12 0x00007ffff7fd30ca in _dl_start_user () at /lib64/ld-linux-x86-64.so.2 #13 0x0000000000000001 in () #14 0x00007fffffffe3b8 in () #15 0x0000000000000000 in () ``` Co-authored-by: William Wold <wm@wmww.sh>
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