Some further information, the output in the console from which wine and GW2 were started.
~/.wine/drive_c/Program Files/Guild Wars 2$ wine Gw2.exe
fixme:heap:HeapSetInformation 0x1c56000 0 0x33fd98 4
fixme:process:SetProcessDEPPolicy (1): stub
fixme:process:GetLogicalProcessorInformation (0x33f088,0x33f6b4): stub
fixme:gameux:GameExplorerImpl_VerifyAccess (0x189f50, L"C:\\Program Files\\Guild Wars 2\\Gw2.exe", 0x33f558)
fixme:process:GetLogicalProcessorInformation ((nil),0x3306dd3c): stub
fixme:process:GetLogicalProcessorInformation (0x3306dd64,0x3306dd3c): stub
fixme:process:GetLogicalProcessorInformation ((nil),0x3306dd44): stub
fixme:process:GetLogicalProcessorInformation (0x3306dd6c,0x3306dd44): stub
fixme:process:GetLogicalProcessorInformation ((nil),0x3306dd38): stub
fixme:process:GetLogicalProcessorInformation (0x3306dd60,0x3306dd38): stub
fixme:winsock:WS_getsockopt WS_SO_CONNECT_TIME - faking results
fixme:win:EnumDisplayDevicesW ((null),0,0x3306be4c,0x00000000), stub!
fixme:win:EnumDisplayDevicesW ((null),0,0x3306acb4,0x00000000), stub!
fixme:win:EnumDisplayDevicesW ((null),0,0x3306abf4,0x00000000), stub!
fixme:ddraw:ddraw7_Initialize Ignoring guid {aeb2cdd4-6e41-43ea-941c-8361cc760781}.
err:xvidmode:ComputeGammaFromRamp low-biased gamma ramp (257), rejected
fixme:devenum:DEVENUM_ICreateDevEnum_CreateClassEnumerator Category {33d9a760-90c8-11d0-bd43-00a0c911ce86} not found
fixme:devenum:DEVENUM_ICreateDevEnum_CreateClassEnumerator Category {33d9a761-90c8-11d0-bd43-00a0c911ce86} not found
fixme:devenum:DEVENUM_ICreateDevEnum_CreateClassEnumerator Category {cc7bfb41-f175-11d1-a392-00e0291f3959} not found
fixme:devenum:DEVENUM_ICreateDevEnum_CreateClassEnumerator Category {cc7bfb46-f175-11d1-a392-00e0291f3959} not found
fixme:d3d:debug_d3dformat Unrecognized 0x434f5441 (as fourcc: ATOC) WINED3DFORMAT!
fixme:d3d:wined3d_get_format Can't find format unrecognized (0x434f5441) in the format lookup table
fixme:msctf:ThreadMgrSource_AdviseSink (0x1a37e8) Unhandled Sink: {ea1ea136-19df-11d7-a6d2-00065b84435c}
fixme:imm:ImmDisableTextFrameService Stub
fixme:wtsapi:WTSRegisterSessionNotification Stub 0x40064 0x00000000
fixme:d3d:resource_check_usage Unhandled usage flags 0x8.
fixme:d3d:resource_check_usage Unhandled usage flags 0x8.
fixme:d3d:resource_check_usage Unhandled usage flags 0x8.
fixme:d3d:resource_check_usage Unhandled usage flags 0x8.
fixme:d3d:resource_check_usage Unhandled usage flags 0x8.
fixme:avrt:AvSetMmThreadCharacteristicsW (L"Audio",0x3598e9e8): stub
err:xvidmode:ComputeGammaFromRamp low-biased gamma ramp (257), rejected
fixme:win:EnumDisplayDevicesW ((null),0,0x3306e290,0x00000000), stub!
fixme:d3d:debug_d3dformat Unrecognized 0x434f5441 (as fourcc: ATOC) WINED3DFORMAT!
fixme:d3d:wined3d_get_format Can't find format unrecognized (0x434f5441) in the format lookup table
fixme:msctf:ThreadMgrSource_AdviseSink (0x1a37e8) Unhandled Sink: {ea1ea136-19df-11d7-a6d2-00065b84435c}
fixme:imm:ImmDisableTextFrameService Stub
fixme:wtsapi:WTSRegisterSessionNotification Stub 0x3006a 0x00000000
fixme:d3d:wined3d_device_set_dialog_box_mode Dialogs cannot be disabled yet.
fixme:d3d:wined3d_device_set_dialog_box_mode Dialogs cannot be disabled yet.
fixme:d3d:wined3d_swapchain_set_gamma_ramp Ignoring flags 0x1.
fixme:d3d:wined3d_swapchain_set_gamma_ramp Ignoring flags 0x1.
fixme:avrt:AvSetMmThreadCharacteristicsW (L"Audio",0x383fe9e8): stub
fixme:userenv:RegisterGPNotification 0x1578 0
fixme:userenv:RegisterGPNotification 0x157c 1
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
fixme:dbghelp:elf_search_auxv can't find symbol in module
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
Backtrace:
(No symbol) [0x38C150D0]
fixme:nls:GetGeoInfoW -1 4 0x3306d348 3 0
*** glibc detected *** Gw2.exe: malloc(): memory corruption: 0x7cf84138 ***
======= Backtrace: =========
/lib32/libc.so.6(+0x6f181)[0xf74a3181]
/lib32/libc.so.6(+0x71f84)[0xf74a5f84]
/lib32/libc.so.6(__libc_calloc+0xab)[0xf74a72fb]
/usr/lib32/libXi.so.6(XIQueryDevice+0x1b3)[0x7dde9943]
/usr/lib32/wine-unstable/winex11.drv.so(+0x37c35)[0x7dfcbc35]
/usr/lib32/wine-unstable/winex11.drv.so(+0x384e8)[0x7dfcc4e8]
/usr/lib32/wine-unstable/winex11.drv.so(+0x26292)[0x7dfba292]
/usr/lib32/wine-unstable/winex11.drv.so(+0x27684)[0x7dfbb684]
/usr/lib32/wine-unstable/user32.dll.so(PeekMessageW+0x5a)[0x7ec7a43a]
[0x38c19a21]
[0xb8ec]
======= Memory map: ========
<...>
--
UM
