Wine Documentation | ||
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Wine isn't perfect, and many Windows applications still don't run without bugs under Wine (but then, many of them don't run without bugs under native Windows either!). To make it easier for people to track down the causes behind each bug, Wine provides a number of debug channels that you can tap into.
Each debug channel, when activated, will trigger logging messages to be displayed to the console where you invoked wine. From there you can redirect the messages to a file and examine it at your leisure. But be forewarned! Some debug channels can generate incredible volumes of log messages. Among the most prolific offenders are relay which spits out a log message every time a win32 function is called, win which tracks windows message passing, and of course all which is an alias for every single debug channel that exists. For a complex application, your debug logs can easily top 1 MB and higher. A relay trace can often generate more than 10 MB of log messages, depending on how long you run the application. Logging does slow down Wine quite a bit, so don't use --debugmsg unless you really do want log files.
Within each debug channel, you can further specify a message class, to filter out the different severities of errors. The four message classes are: trace, fixme, warn, err.
To turn on a debug channel, use the form class+channel. To turn it off, use class-channel. To list more than one channel in the same --debugmsg option, separate them with commas. For example, to request warn class messages in the heap debug channel, you could invoke wine like this:
$ wine --debugmsg warn+heap program_name |
If you leave off the message class, wine will display messages from all four classes for that channel:
$ wine --debugmsg +heap program_name |
If you wanted to see log messages for everything except the relay channel, you might do something like this:
$ wine --debugmsg +all,-relay program_name |
Here is a master list of all the debug channels and classes in Wine. More channels might be added to (or subtracted from) later versions.
all accel advapi animate aspi atom avifile bitblt bitmap caret cdrom class clipboard clipping combo comboex comm commctrl commdlg console crtdll cursor datetime dc ddeml ddraw debug debugstr delayhlp dialog dinput dll dosfs dosmem dplay driver dsound edit elfdll enhmetafile event exec file fixup font gdi global graphics header heap hook hotkey icmp icon imagehlp imagelist imm int int10 int16 int17 int19 int21 int31 io ipaddress joystick key keyboard ldt listbox listview local mci mcianim mciavi mcicda mcimidi mciwave mdi menu message metafile midi mmaux mmio mmsys mmtime module monthcal mpr msacm msg msvideo nativefont nonclient ntdll odbc ole opengl pager palette pidl print process profile progress prop propsheet psapi psdrv ras rebar reg region relay resource richedit scroll segment seh selector sendmsg server setupapi setupx shell snoop sound static statusbar storage stress string syscolor system tab tape tapi task text thread thunk timer toolbar toolhelp tooltips trackbar treeview ttydrv tweak typelib updown ver virtual vxd wave win win16drv win32 wing wininet winsock winspool wnet x11 x11drv |
For more details about debug channels, check out the The Wine Developer's Guide.
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