https://bugs.freedesktop.org/show_bug.cgi?id=97367
Bug ID: 97367
Summary: k520 card produce high volume of IRQ
Product: xorg
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Created attachment 125818
--> https://bugs.freedesktop.org/attachment.cgi?id=125818&action=edit
dmesg
Amazon propose computer with k520(GK104) GPU for virtualisation (Xen).
You can use Ubuntu LTS on it for example.
When inserting the nouveau driver, /proc/interrupts report that nvkm is doing
~100000 interrupts/sec.
This have been tested on kernel 4.4.0 and 4.4.13.
On amazon, you do not control the real hardware where your system will be run.
It appear that sometimes, this issue do not happen. May be this could be due to
vbios version ?
Forcing nouveau in headless mode (modeset=2) produce a normal amount of IRQ.
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