http://bugzilla.suse.com/show_bug.cgi?id=1103356 Bug ID: 1103356 Summary: nouveau: fan stays on maximum speed after fanboost Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.0 Hardware: x86-64 OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: thomas.blume@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- I haven an older nvidia card: --> # hwinfo --gfxcard 23: PCI 100.0: 0300 VGA compatible controller (VGA) [Created at pci.378] Unique ID: VCu0.x9HhAPKYST4 Parent ID: vSkL.sBCJa6uSmM6 SysFS ID: /devices/pci0000:00/0000:00:01.0/0000:01:00.0 SysFS BusID: 0000:01:00.0 Hardware Class: graphics card Model: "nVidia Quadro FX 1500" Vendor: pci 0x10de "nVidia Corporation" Device: pci 0x029e "Quadro FX 1500" SubVendor: pci 0x10de "nVidia Corporation" SubDevice: pci 0x032c Revision: 0xa1 Driver: "nouveau" Driver Modules: "drm" Memory Range: 0xf2000000-0xf2ffffff (rw,non-prefetchable) Memory Range: 0xe0000000-0xefffffff (ro,non-prefetchable) Memory Range: 0xf1000000-0xf1ffffff (rw,non-prefetchable) I/O Ports: 0x4000-0x4fff (rw) IRQ: 28 (8673 events) I/O Ports: 0x3c0-0x3df (rw) Module Alias: "pci:v000010DEd0000029Esv000010DEsd0000032Cbc03sc00i00" Driver Info #0: XFree86 v4 Server Module: nv Config Status: cfg=new, avail=yes, need=no, active=unknown Attached to: #8 (PCI bridge) Primary display adapter: #23 --< This worked fine with the nouveau driver until Leap42.3. With Leap15 now, the graphics card fan starts running at maximum speed and never stops. The switch to maximum speed might be in context with temperature management. I get the following messages: --> 2018-08-01T07:16:01.878010+02:00 alpha kernel: [ 379.049048] nouveau 0000:01:00.0: therm: temperature (90 C) hit the 'fanboost' threshold 2018-08-01T07:16:08.881928+02:00 alpha kernel: [ 386.049548] nouveau 0000:01:00.0: therm: temperature (87 C) went below the 'fanboost' threshold --< I would expect that the fan speed decreases after the temperature goes below the fanboost threshold, but it doesn't. As written above, on 42.3, the fan stays nice quiet at low rotation speed: --> # cat /sys/class/drm/card0/device/hwmon/hwmon0/pwm1 20 --< Attaching the sysfs valume of noveau hwmon from 42.3 and 15. Any hint what I need to tune to get the 42.3 behaviour back? -- You are receiving this mail because: You are on the CC list for the bug.