[pso] [tema3 linux]: bio_alloc
Andrei Deftu
andreideftu at yahoo.com
Wed Apr 30 18:49:06 EEST 2008
Ai lock pe un spinlock inainte de bio_alloc() ?
--- Florin Antonescu <florinantonescu at yahoo.com>
wrote:
> Primesc urmatorul mesaj:
> BUG: sleeping function called from invalid context
> at mm/mempool.c:209
> in_atomic():1 irqs_disabled():0
> Din stack trace (si din faptul ca am comentat mai
> tot in afara de functia asta) imi dau seama ca
> eroarea apare in bio_alloc pe care o apelez cu
> bio_alloc(GFP_NOIO, nr_pagini) dintr-un kernel
> thread.
> De ce se comporta astfel?
> Mai mult, daca apelez submit_bio imi da kernel
> panic.
> Ce gresesc?
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