[Bug 44730] 64-bit MetaTrader5 frequently hangs/live-loops on startup

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=44730

Anastasius Focht <focht at gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|64-bit MetaTrader5 fails to |64-bit MetaTrader5
                   |run                         |frequently hangs/live-loops
                   |                            |on startup

--- Comment #4 from Anastasius Focht <focht at gmx.net> ---
Hello again,

well, I can't confirm this behaviour with the app installed from the download
link, works fine with Wine 3.3

--- snip ---
$ pwd
/home/focht/.wine/drive_c/Program Files/MetaTrader 5

$ wine ./terminal.exe
...
--- snip ---

I don't see any significant load for 'terminal.exe' app process and wineserver
itself (except for startup phase which is fine). 'perf' tool doesn't show
anything unusual.

--- snip ---
$ sudo perf top -K -s comm,dso,symbol
--- snip ---

If you can't kill 'wineserver' by any means then the process is very likely in
state D (uninterruptible sleep). Check 'ps' output.

--- snip ---
$ for i in `pgrep wineserver` ; do ps -fp $i ; cat /proc/$i/status ; done
UID        PID  PPID  C STIME TTY          TIME CMD
focht    12900     1  7 19:59 ?        00:01:35
/home/focht/projects/wine/wine.repo/install/bin/wineserver
Name:    wineserver
State:    S (sleeping)
Tgid:    12900
Ngid:    0
Pid:    12900
PPid:    1
TracerPid:    0
Uid:    1000    1000    1000    1000
Gid:    1000    1000    1000    1000

...

$ for i in `pgrep wineserver` ; do ps -fp $i ; cat /proc/$i/task/*/stack ; done
UID        PID  PPID  C STIME TTY          TIME CMD
focht    12900     1  7 19:59 ?        00:01:31
/home/focht/projects/wine/wine.repo/install/bin/wineserver
[<ffffffff81275962>] ep_poll+0x2d2/0x3e0
[<ffffffff81276b58>] SyS_epoll_wait+0xb8/0xd0
[<ffffffff817a25ae>] entry_SYSCALL_64_fastpath+0x12/0x71
[<ffffffffffffffff>] 0xffffffffffffffff
--- snip ---

I guess something on your distro is simply broken, it could be anything.

* Linux kernel bug(s)
* broken userland libs
* buggy compiler
...

$ sha1sum mt5setup.exe 
98e6bfa6e6eceb9d97b6f7f5dc7dc0661833ba95  mt5setup.exe

$ du -sh mt5setup.exe 
1.3M    mt5setup.exe

$ wine --version
wine-3.3-263-gbf7b21ec7b

Regards

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