Re: [uml-devel] 2.6.3-rc2-uml1 Kernel mode panic

[BlaisorBlade <blaisorblade_spam@yahoo.it>]

Alle 20:35, giovedì 19 febbraio 2004, Jeff Dike ha scritto:

> I can reproduce it fine.  The recipe that Bill provided works like a charm
> - hit it from the outside with 'ssh uml some command'
> 	run 'while true; do cat /dev/null; done' inside
>
> and it will panic in 5-10 minutes in one of several ways.  The exit.c BUG
> is the process returning from the schedule at the end of exit().

Exactly the same here.

> The
> kernel mode fault is the scheduler seeing that the runqueue bitmap says
> there's a process to be scheduled waiting on a particular queue, but that
> queue is empty.

On my system the queue is not simply empty (i.e. queue[index] == 
queue[index]->next == queue[index]->prev) but has wrong next and prev values 
(one is 0x78 and one 0x0 last time, IIRC; however values <0x100). For the 
rest, it's the same as I get.

Now you can reproduce it, we'll soon see it fixed!

Bye
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729



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