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SubjectRe: [BUG][Resend] 2.6.12-rc3-mm3: Kernel BUG at "mm/slab.c":1219
On Mon, May 09 2005, Andi Kleen wrote:
> On Mon, May 09, 2005 at 10:39:37PM +0200, Rafael J. Wysocki wrote:
> > Hi,
> >
> > I get this from 2.6.12-rc3-mm3 on a UP AMD64 box (Asus L5D), 100% of the time:
> Probably a generic bug. Block layer is passing some slab flag slab
> doesn't like.

Some slab change, perhaps? There's nothing special about the init_bio()
slab call:

bio_slab = kmem_cache_create("bio", sizeof(struct bio), 0,

Hmm, this looks strange. That bug happens if:

if ((!name) ||
in_interrupt() ||
(size < BYTES_PER_WORD) ||
(size > (1<<MAX_OBJ_ORDER)*PAGE_SIZE) ||
(dtor && !ctor)) {
printk(KERN_ERR "%s: Early error in slab %s\n",
__FUNCTION__, name);

It must be in_interrupt() triggering, perhaps something change in the
boot sequence?

Jens Axboe

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