Re: Kernel 2.6.30 and udevd problem

From: Kay Sievers
Date: Sun Jun 28 2009 - 10:29:23 EST


On Sun, Jun 28, 2009 at 16:22, Alberto Gonzalez<alberto6674@xxxxxxxxx> wrote:
> On Sunday 28 June 2009 14:49:52 Kay Sievers wrote:
>> On Sun, Jun 28, 2009 at 14:37, Alberto Gonzalez<alberto6674@xxxxxxxxx>
> wrote:
>> > This is what I got wen the problem finally came back (it happens
>> > randomly, this time I triggered it by running glxgears, but it can happen
>> > for other reasons and none of them triggers it automatically):
>> >
>> > KERNEL[1246192153.094553] change
>> > /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
>> >
>> > UDEV Â[1246192153.178593] change
>> > /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
>> >
>> > So just an endless loop of the same message again and again.
>>
>> If you see this loop and kill the udev daemon, the UDEV events will
>> stop. But do the KERNEL events continue, or do all events stop? This
>> should tell us if some udev rules trigger something here, or if it is
>> a loop in the kernel.
>
> When I kill udevd, the KERNEL messages continue.

If there isn't something else running which acts on uevents that
trigger drm events, which I wouldn't expect, it seems like a drm
kernel problem.

Kay
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