On Thu, 23 Aug 2007 14:42:27 +0530 Kamalesh Babulal <[email protected]> wrote:
> Andrew after setting CONFIG_SLUB=n and CONFIG_SLAB, it hits
> a kernel Bug, and attaching the config file.
>
> Memory: 32479392k/33554432k available (2627k kernel code, 280028k
> reserved, 1274k data, 220k init, 31842304k highmem)
> virtual kernel memory layout:
> fixmap : 0xffe1a000 - 0xfffff000 (1940 kB)
> pkmap : 0xffc00000 - 0xffe00000 (2048 kB)
> vmalloc : 0xf8800000 - 0xffbfe000 ( 115 MB)
> lowmem : 0xc0000000 - 0xf8000000 ( 896 MB)
> .init : 0xc13d6000 - 0xc140d000 ( 220 kB)
> .data : 0xc1290e65 - 0xc13cf758 (1274 kB)
> .text : 0xc1000000 - 0xc1290e65 (2627 kB)
> Checking if this processor honours the WP bit even in supervisor mode... Ok.
> Calibrating delay using timer specific routine.. 1401.57 BogoMIPS
> (lpj=2803147)
> ------------[ cut here ]------------
> kernel BUG at mm/slab.c:3320!
> invalid opcode: 0000 [#1] SMP
> kernel BUG at mm/slab.c:3320!
static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,
int nodeid)
{
struct list_head *entry;
struct slab *slabp;
struct kmem_list3 *l3;
void *obj;
int x;
l3 = cachep->nodelists[nodeid];
BUG_ON(!l3);
I _looks_ like an ordering problem, but slab is all set up by then.
Strange.
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