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Thread: STLinux Qt_embedded problem! Need urgent help

  1. #1
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    Default STLinux Qt_embedded problem! Need urgent help

    Hi I STB developer. I use Fedora 15(host), STB works on STLinux (chip STi ). I use Qt 4.7.3 .

    edited file linux-sh4al-g++/qmake.conf :
    #
    # qmake configuration for building for SH4AL-DSP devices with sh3-linux-g++
    #
    include(../../common/g++.conf)
    include(../../common/linux.conf)
    include(../../common/qws.conf)
    # modifications to g++.conf
    QMAKE_CC = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-gcc
    QMAKE_CXX = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-g++
    QMAKE_LINK = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-g++
    QMAKE_LINK_SHLIB = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-g++

    # modifications to linux.conf
    QMAKE_AR = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-ar cqs
    QMAKE_OBJCOPY = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-objcopy
    QMAKE_STRIP = /opt/STM/STLinux-2.3/devkit/sh4/bin/sh4-linux-strip

    QT_CFLAGS_DIRECTFB=-I/usr/include/directfb -D_REENTRANT
    QT_LIBS_DIRECTFB=-L/usr/lib -ldirectfb -lfusion -ldirect -lpthread
    Configuration:
    ./configure -embedded -opensource -static -exceptions -no-qt3support -no-phonon
    -no-phonon-backend -qt-zlib -qt-libtiff -qt-libpng -qt-libmng -qt-libjpeg -silen
    t -xplatform qws/linux-sh4al-g++ -embedded sh4al -little-endian -host-little-end
    ian -qt-freetype -depths all -qt-gfx-linuxfb -plugin-gfx-directfb -qt-kbd-tty -q
    t-mouse-tslib -prefix /usr/local/Trolltech/QtEmbedded-4.7.3-directfb_sh4
    gmake
    gmake install

    Problems during installation not found
    Source code : "hello world"
    Qt Code:
    1. #include <QApplication>
    2. #include <QLabel>
    3. int main (int argc, char *argv[]){
    4. printf("Hello world\n");
    5. QApplication app(argc,argv,QApplication::GuiServer);
    6. QLabel *label =new QLabel("Hi!!!");
    7. label->show();
    8. return app.exec();
    9. }
    To copy to clipboard, switch view to plain text mode 
    Problems during compilation not found
    process runing in STLinux not respond
    strace result:
    ./strace/sh4/bin/strace ./untitled1
    execve("./untitled1", ["./untitled1"], [/* 82 vars */]) = 0
    brk(0) = 0x11b6000
    uname({sys="Linux", node="stb", ...}) = 0
    open("/lib/libjemalloc.so", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\ 0 \33\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0755, st_size=133348, ...}) = 0
    old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2956f000
    old_mmap(NULL, 195904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x29580000
    mprotect(0x295a0000, 61440, PROT_NONE) = 0
    old_mmap(0x295af000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f000) = 0x295af000
    close(3) = 0
    access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
    open("/usr/local/Trolltech/QtEmbedded-4.5.2-directfb_sh4/lib/libts-0.0.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
    stat64("/usr/local/Trolltech/QtEmbedded-4.5.2-directfb_sh4/lib", 0x7b86f984) = -1 ENOENT (No such file or directory)
    open("/usr/local/lib/libstsdk/libts-0.0.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
    stat64("/usr/local/lib/libstsdk", 0x7b86f984) = -1 ENOENT (No such file or directory)
    open("libts-0.0.so.0", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0\24 0\n\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0755, st_size=10224, ...}) = 0
    getcwd("/usr/local", 128) = 11
    old_mmap(NULL, 71916, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x295b0000
    .....
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0\30 0\v\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0644, st_size=10868, ...}) = 0
    old_mmap(NULL, 73904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x295c4000
    mprotect(0x295c6000, 61440, PROT_NONE) = 0
    old_mmap(0x295d5000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x295d5000
    close(3) = 0
    open("librt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/librt.so.1", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0@\3 4\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0644, st_size=29536, ...}) = 0
    old_mmap(NULL, 90600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x295d8000
    mprotect(0x295de000, 61440, PROT_NONE) = 0
    old_mmap(0x295ed000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x295ed000
    close(3) = 0
    open("libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/libpthread.so.0", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0\30 4L\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0644, st_size=87336, ...}) = 0
    old_mmap(NULL, 148044, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x295f0000
    mprotect(0x29602000, 61440, PROT_NONE) = 0
    old_mmap(0x29611000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x29611000
    old_mmap(0x29613000, 4684, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x29613000
    close(3) = 0
    open("libstdc++.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/libstdc++.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/usr/lib/libstdc++.so.6", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0@z\ 4\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0755, st_size=828148, ...}) = 0
    old_mmap(NULL, 909244, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x29618000
    mprotect(0x296dc000, 65536, PROT_NONE) = 0
    old_mmap(0x296ec000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xc4000) = 0x296ec000
    old_mmap(0x296f1000, 20412, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x296f1000
    close(3) = 0
    open("libm.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/libm.so.6", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0\34 02\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0644, st_size=464704, ...}) = 0
    old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x296f6000
    old_mmap(NULL, 508064, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x296f8000
    mprotect(0x29764000, 61440, PROT_NONE) = 0
    old_mmap(0x29773000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6b000) = 0x29773000
    close(3) = 0
    open("libgcc_s.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/libgcc_s.so.1", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0\30 0\32\0\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0644, st_size=49088, ...}) = 0
    old_mmap(NULL, 106088, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x29778000
    mprotect(0x29782000, 61440, PROT_NONE) = 0
    old_mmap(0x29791000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9000) = 0x29791000
    close(3) = 0
    open("libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/libc.so.6", O_RDONLY) = 3
    read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0*\0\1\0\0\0Xd\ 1\0004\0\0\0"..., 512) = 512
    fstat64(3, {st_mode=S_IFREG|0755, st_size=1038168, ...}) = 0
    old_mmap(NULL, 1024432, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x29794000
    mprotect(0x29879000, 65536, PROT_NONE) = 0
    old_mmap(0x29889000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe5000) = 0x29889000
    old_mmap(0x2988c000, 8624, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2988c000
    close(3) = 0
    old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2988f000
    mprotect(0x29889000, 8192, PROT_READ) = 0
    mprotect(0x29773000, 4096, PROT_READ) = 0
    mprotect(0x296ec000, 12288, PROT_READ) = 0
    mprotect(0x29611000, 4096, PROT_READ) = 0
    mprotect(0x295ed000, 4096, PROT_READ) = 0
    mprotect(0x295d5000, 4096, PROT_READ) = 0
    mprotect(0x2957d000, 4096, PROT_READ) = 0
    set_tid_address(0x2988f3d8) = 2021
    set_robust_list(0x2988f3e0, 0xc) = 0
    rt_sigaction(SIGRTMIN, {0x295f4c14, [], SA_SIGINFO}, NULL, 8) = 0
    rt_sigaction(SIGRT_1, {0x295f4b40, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
    rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
    getrlimit(0x3, 0x7b870190, 0x3, 0x7b870190, 0x1cc) = 0
    readlink("/etc/malloc.conf", 0x7b86f094, 4096) = -1 ENOENT (No such file or directory)
    old_mmap(NULL, 4194304, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x29890000
    old_mmap(0x29c90000, 3604480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x29c90000
    munmap(0x29890000, 3604480) = 0
    old_mmap(NULL, 8388608, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2a000000
    munmap(0x2a400000, 4194304) = 0
    open("/proc/stat", O_RDONLY) = 3
    fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
    old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2a400000
    read(3, "cpu 3737 490 2545 25376 0 3 19 "..., 1024) = 1024
    read(3, "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 "..., 1024) = 173
    read(3, "", 1024) = 0
    close(3) = 0
    munmap(0x2a400000, 4096) = 0

  2. #2
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    What do you mean by "not respond"? By the way, strace is useless here, a backtrace from a debugger would be better.
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

    Please ask Qt related questions on the forum and not using private messages or visitor messages.


  3. #3
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    You have quite a few of "(No such file or directory)" in the output you posted.
    Probably you should make sure if any of these missing files is the problem, or maybe all.
    ==========================signature=============== ==================
    S.O.L.I.D principles (use them!):
    https://en.wikipedia.org/wiki/SOLID_...iented_design)

    Do you write clean code? - if you are TDD'ing then maybe, if not, your not writing clean code.

  4. #4
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    What do you mean by "not respond"? By the way, strace is useless here, a backtrace from a debugger would be better.
    OK Now presenting GDB report ...
    You have quite a few of "(No such file or directory)" in the output you posted.
    Probably you should make sure if any of these missing files is the problem, or maybe all.
    This is not a problem. In my opinion.
    If the function returns 3
    For example here
    open("libstdc++.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/lib/libstdc++.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/usr/lib/libstdc++.so.6", O_RDONLY) = 3

  5. #5
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    If you have the correct binaries with QWS STLinux to send them to me and true method of configuration.
    I could not cross compile GDB in STlinux

  6. #6
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    help !!!!!!

  7. #7
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    So where is the debugger backtrace?
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

    Please ask Qt related questions on the forum and not using private messages or visitor messages.


  8. #8
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    GDB report
    # ./gdb untitled1
    Could not find platform independent libraries <prefix>
    Could not find platform dependent libraries <exec_prefix>
    Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
    'import site' failed; use -v for traceback
    GNU gdb (GDB) STMicroelectronics/Linux Base 7.1.50.20100224-25 [build Mar 22 2010]
    Copyright (C) 2010 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 "sh4-linux".
    For bug reporting instructions, please see:
    <http://www.gnu.org/software/gdb/bugs/>...
    Reading symbols from /usr/local/untitled1...done.
    (gdb) run
    Starting program: /usr/local/untitled1
    Got object file from memory but can't read symbols: File format not recognized.
    warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
    warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
    warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
    warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
    warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.

  9. #9
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    That's not a backtrace. Run the application and when it freezes, interrupt it (e.g. with Ctrl+C) and print the backtrace (bt).
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

    Please ask Qt related questions on the forum and not using private messages or visitor messages.


  10. #10
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    #0 0x00de9c1e in QReadWriteLock::~QReadWriteLock() ()
    #1 0x00e00b18 in fileEngineHandlerMutex() ()
    #2 0x00e013a2 in QAbstractFileEngineHandler::QAbstractFileEngineHan dler() ()
    #3 0x00d1ccee in resource_file_handler() ()
    #4 0x00d1cdf2 in qt_force_resource_init() ()
    #5 0x00d1ce4c in __static_initialization_and_destruction_0 ()
    #6 0x00e13fb0 in __do_global_ctors_aux ()
    #7 0x004040d8 in _init ()
    #8 0x00e13f4c in __libc_csu_init (argc=0, argv=0x0, envp=0x0) at elf-init.c:79
    #9 0x297aa29a in __libc_start_main () from /lib/libc.so.6
    Backtrace stopped: frame did not save the PC

  11. #11
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    #0 0x00de9c1e in QReadWriteLock::~QReadWriteLock() ()
    Are you sure this is the backtrace of the code you posted in post #1?
    The back trace says that a destructor of QReadWriteLock object failed, probably as part of a QFile or QIODevice object destruction, non of which is to be seen in the code you posted..
    ==========================signature=============== ==================
    S.O.L.I.D principles (use them!):
    https://en.wikipedia.org/wiki/SOLID_...iented_design)

    Do you write clean code? - if you are TDD'ing then maybe, if not, your not writing clean code.

  12. #12
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    This function QWS
    not my code

  13. #13
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    What if you run your code with "-qws" switch?
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

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  14. #14
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    This is not necessary because I wrote
    QApplication app(argc,argv,QApplication::GuiServer);
    and this is the application server default

  15. #15
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    Ok, so what if you run your application without it (start an external qws server and then run your app without the GuiServer mode)?
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

    Please ask Qt related questions on the forum and not using private messages or visitor messages.


  16. #16
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    Default Re: STLinux Qt_embedded problem! Need urgent help

    Thanks for the idea
    does not work
    The same problem is-qws and qws same crash

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