boot time scheduling hile atomic (was: GCC4 fun.)

Joerg Dorchain joerg at dorchain.net
Fri Mar 4 18:57:03 EST 2005


On Thu, Mar 03, 2005 at 03:18:32PM +0100, Joerg Dorchain wrote:
> > 
> > > scheduling while atomic: swapper/0x00000002/0
> > > Call trace:
> > >  [c0007620] dump_stack+0x18/0x28
> > >  [c01de704] schedule+0x678/0x67c
> > >  [c0004500] syscall_exit_work+0x108/0x10c
> > >  [c02a97b4] proc_root_init+0x168/0x174
> > >  [ff847288] 0xff847288
> > >  [c02945e8] start_kernel+0x144/0x170
> > >  [00003a30] 0x3a30
> > 
> > i don't know why you're getting this error, but seeing "swapper" to be
> > involved here: can you compile with CONFIG_SWAP=n and boot this one?
> 
> I'll do tonight.

Did so, no effect on this. IMHO "swapper" is a somewhat misguiding name
for the idle task with pid 0.

I am more wondering what in proc_root_init or immediately after it
causes a call to the exit_work syscall.

Bye,

Joerg
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