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SubjectRe: [BUG][Resend] 2.6.12-rc3-mm3: Kernel BUG at "mm/slab.c":1219
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Date
tis 2005-05-10 klockan 08:18 +0200 skrev Jens Axboe:
> 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,
> SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
>
>
> 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);
> BUG();
> }
>
> It must be in_interrupt() triggering, perhaps something change in the
> boot sequence?
>

The funny thing is that it seems to be the name being NULL, from the
original post:
kmem_cache_create: Early error in slab <NULL>

When looking at the code I really can't see how that can be. Rafael,
what setup is this compiled under?

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