Re: 2.6.15-rc2-mm1: kernel BUG at kernel/timer.c:213

[Thomas Gleixner]

On Sun, 2005-11-27 at 19:51 +0100, Bernhard Rosenkraenzer wrote:
> This happens when modprobe-ing rt2500 (http://rt2400.sf.net/) -- since the 
> same driver works perfectly on older kernels, the timer rework may be at 
> fault (didn't have a lot of time to look into this yet)

------------[ cut here ]------------
> kernel BUG at kernel/timer.c:213!
> 
        BUG_ON(!timer->function);

The caller of __mod_timer did not fill in the function member.

I decoded the conglomeration of characters which seems to be the driver
source - shudder - and actually the init code of the driver initializes
the TuningTimer after register_netdev, which leads to a race with the
hotplug code. "Working perfectly" on older kernels is just by chance not
by design.

	tglx


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