After an update last week, something is bloating up the messages and warn files in my /var/log/ folder. Closer inspection revealed that the following line was printed to the files every 0.000001 seconds resulting in 3 files of 20GB filling up completely my disk space:

nouveau 0000:01:00.0: fifo: PBDMAO: 81206000 [ILLEGAL_MTHD] ch 2 [003fc71000 X[1722]] subc 0 mthd 0000 data ffffffff

I am not an experienced user and have no idea how to fix this.

I am using openSUSE Tumbleweed (version ID: 20191101) on a Lenovo T430 laptop.


It looks like a known bug on nouveau driver (if i remember well, this is the opensource driver for NVidia graphic cards).

Source: https://bugs.freedesktop.org/show_bug.cgi?id=99900

To fix this you can:

  • Use logrotate or a cron job to flush logs passed a given size.


  • Tweak your syslog configuration to avoid logging this.


  • Totally disable syslog (rarely usefull on a desktop system).


  • Stop using nouveau driver (install proprietary one or use vesa).
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