https://bugzilla.kernel.org/show_bug.cgi?id=73931
Bug ID: 73931
Summary: rmmod radeon and kernel crash
Product: Drivers
Version: 2.5
Kernel Version: 3.14
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri at kernel-bugs.osdl.org
Reporter: pali.rohar at gmail.com
Regression: No
Created attachment 132051
--> https://bugzilla.kernel.org/attachment.cgi?id=132051&action=edit
rmmod_radeon_kernel_panic
After calling rmmod radeon, kernel show lots of error lines and then crash.
It looks like that radeon module does not cleanup hwmon interface at exit.
After calling rmmod radeon there is still hwmon interface:
$ readlink /sys/class/hwmon/hwmon1
../../devices/pci0000:00/0000:00:01.0/0000:01:00.0/hwmon/hwmon1
And after calling ls, or cat in hwmon1 kernel crash...
See attachment from syslog.
$ lspci -nn
01:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Sun
XT [Radeon HD 8670A/8670M/8690M] [1002:6660]
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