# Gromacs stop running (or runnin without any output) after 12-18 hours **URL:** \ **Category:** User discussions\ **Created:** [October 16, 2020, 8:03am UTC](https://gromacs.bioexcel.eu/t/gromacs-stop-running-or-runnin-without-any-output-after-12-18-hours/966 "2020-10-16T08:03:14Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![dogge](https://avatars.discourse-cdn.com/v4/letter/d/f1d935/32.png) [@dogge](https://gromacs.bioexcel.eu/u/dogge)\ **Post date:** [October 16, 2020, 8:03am UTC](https://gromacs.bioexcel.eu/t/gromacs-stop-running-or-runnin-without-any-output-after-12-18-hours/966/1 "2020-10-16T08:03:14Z")
GROMACS version: 2019.6, 2020.2 GROMACS modification: No Hi, everyone. After some time (6-18 hours) simulation just stop running, there is no output in log file (after that time) and steps stop counting (-v options). But it seems gmx mdrun is still working, at least ps -a shows that it still running. If I restart the job all works fine again. What could be the possible cause of this problem? I disable all possible suspend and hibernate in linux (didnt help) an reinstall the system (didnt help). The problem is not related to a specific simulation because it happened with different simulation too (and with different force field). And on other computers all works fine. I have no idea what is going on, so any suggestion would be appreciated 31GB RAM RTX 2080 4 TB hard (3,5 free) ---
**Author:** ![dogge](https://avatars.discourse-cdn.com/v4/letter/d/f1d935/32.png) [@dogge](https://gromacs.bioexcel.eu/u/dogge)\ **Post date:** [October 19, 2020, 6:53am UTC](https://gromacs.bioexcel.eu/t/gromacs-stop-running-or-runnin-without-any-output-after-12-18-hours/966/2 "2020-10-19T06:53:27Z")
Turns out to be my video card is just broken. After some hours it hits a spike of 100% usage and stop working properly (the similar problem is discussed here [https://www.nvidia.com/en-us/geforce/forums/geforce-graphics-cards/5/284143/gpu-usage-100-frames-low-until-restarting-pc/](https://www.nvidia.com/en-us/geforce/forums/geforce-graphics-cards/5/284143/gpu-usage-100-frames-low-until-restarting-pc/) ). So the problem isn’t GROMACS related, but i think it’s better to answer my own question than delete the topic. In case if someone encountered something similar. ---
**Author:** ![cblau](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/cblau/32/5_2.png) [@cblau](https://gromacs.bioexcel.eu/u/cblau)\ **Post date:** [October 19, 2020, 7:41am UTC](https://gromacs.bioexcel.eu/t/gromacs-stop-running-or-runnin-without-any-output-after-12-18-hours/966/3 "2020-10-19T07:41:44Z")
Hi dogge, Thanks, very appreciated that you let us know!