https://bugs.winehq.org/show_bug.cgi?id=27453
--- Comment #27 from Tom Hackers tomhackers@gmail.com --- (In reply to Tom Hackers from comment #26)
And naturally happens also in Half-life 2 based mods. wine 1.7.23.
Can't reproduce lag after switching to stock linux kernel, was using bfq with linux-ck (with wine-rt). Now using stock wine 1.7.23. Also I rebuilt my soundcache https://developer.valvesoftware.com/wiki/Soundcache but that didn't fix all the stuttering, until I switched back to stock kernel.