https://bugs.winehq.org/show_bug.cgi?id=43273
--- Comment #51 from Shmerl shtetldik@gmail.com --- (In reply to Józef Kucia from comment #50)
Created attachment 59333 [details] Patch
Could you try if this patch is enough to avoid the system freezes in Witcher?
No, unfortunately that fix doesn't prevent the freeze. Applied staging patches besides the hack:
wined3d-buffer_create wined3d-sample_c_lz wined3d-GenerateMips d3d11-Deferred_Context xaudio2-get_al_format