On 3/14/25 09:22, Bert Karwatzki wrote: > Am Freitag, dem 14.03.2025 um 08:54 +1100 schrieb Balbir Singh: >> On 3/14/25 05:12, Bert Karwatzki wrote: >>> Am Donnerstag, dem 13.03.2025 um 22:47 +1100 schrieb Balbir Singh: >>>> >>>> >>>> Anyway, I think the nokaslr result is interesting, it seems like with nokaslr >>>> even the older kernels have problems with the game >>>> >>>> Could you confirm if with nokaslr >>>> >>> Now I've tested kernel 6.8.12 with nokaslr >>> >>>> 1. Only one single game stellaris is not working? >>>> 2. The entire laptop does not work? >>>> 3. Laptop works and other games work? Just one game is not working as >>> expected? >>> >>> >>> Stellaris is showing the input lag and the entire graphical user interface shows >>> the same input lag as long as stellaris is running. >>> Civilization 6 shows the same input lag as stellaris, probably even worse. >>> Magic the Gathering: Arena (with wine) works normally. >>> Valheim also works normally. >>> Crusader Kings 2 works normally >>> Rogue Heroes: Ruins of Tasos (a Zelda lookalike) works normally. >>> Baldur's Gate I & II and Icewind Dale work normally. >>> >>> Also the input lag is only in the GUI, if I switch to a text console (ctrl + alt >>> + Fn), input works normally even while the affected games are running. >>> >>> Games aside everything else (e.g. compiling kernels) seems to work with nokaslr. >>> >> >> Would it be fair to assume that anything Xorg/Wayland is working fine >> when the game is not running, even with nokaslr? >> > Yes, Xorg (I'm normally using xfce4 as desktop) works fine. I also tested with > gnome using Xwayland, here the buggy behaviour also exists, with the addtion > that mouse position is off, i.e. to click a button in the game you have to click > somewhat above it. So the issue is narrowed down to just the games you've mentioned with nokaslr/patch? > >> +amd-gfx@xxxxxxxxxxxxxxxxxxxxx to see if there are known issues with >> nokaslr and the games you mentioned. >> >> >> Balbir Singh >> >> PS: I came across an interesting link >> https://www.alex-ionescu.com/behind-windows-x64s-44-bit-memory-addressing-limit/ >> >> I think SLIST_HEADER is used by wine as well for user space and I am not sure >> if in this situation the game is hitting this scenario, but surprisingly the other >> games are not. This is assuming the game uses wine. I am not sure it's related, >> but the 44 bits caught my attention. > > Stellaris is a native linux game (x86_64), the one game (MTGA) I tested with > wine worked fine. > Thanks for the update! I wonder if there are any game logs. If you can look for any warnings/errors it might be interesting to see where the difference is coming from? > By the way, the warning > [ T8562] WARNING: CPU: 14 PID: 8562 at mm/slub.c:5028 > __kvmalloc_node_noprof+0x2fd/0x360 > that appeared in the dmesg I sent you is caused by the upgrade of mesa from > 25.0.0 to 25.0.1. (I'm still bisecting ...) > Thanks! Balbir
