[Bug 49943] radeon/drm: Hotplug udev events stop working

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49943

--- Comment #8 from Harald Judt <h.judt at gmx.at> 2012-09-21 16:05:14 UTC ---
Reproducible with linux-3.6.0-rc6. If it is a duplicate of bug 51042, shouldn't
this be fixed now, or have the patches referenced in that bug not been
committed yet
(http://comments.gmane.org/gmane.comp.freedesktop.xorg.drivers.ati/22107, or
more specific the patches by Daniel Vetter:
http://lists.freedesktop.org/archives/dri-devel/2012-May/023407.html)?

I still get only two events when monitoring with udevadm:

monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[601.731162] change  
/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm)
ACTION=change
DEVNAME=/dev/dri/card0
DEVPATH=/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0
DEVTYPE=drm_minor
HOTPLUG=1
MAJOR=226
MINOR=0
SEQNUM=1407
SUBSYSTEM=drm

UDEV  [601.731859] change  
/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm)
ACTION=change
DEVNAME=/dev/dri/card0
DEVPATH=/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0
DEVTYPE=drm_minor
HOTPLUG=1
MAJOR=226
MINOR=0
SEQNUM=1407
SUBSYSTEM=drm

After that, no more events on plug/unplug.

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