Re: 2.6.0-test4: blkdev_requests "memory before object wasoverwritten" and oops in __iget

[Andrew Morton]

Oleg Drokin <green@xxxxxxxxxxxxxx> wrote:
>
>    Found one of my test boxes freezed today (or may be even yesterday).
>    That's what was in logs:
> 
> Aug 25 00:50:37 dwarf kernel: [drm] DMA Cleanup
> Aug 25 21:46:31 dwarf kernel: mtrr: base(0xf8000000) is not aligned on a size(0x180000) boundary
> Aug 25 21:46:31 dwarf kernel: [drm] Using POST v1.2 init.
> Aug 25 21:46:31 dwarf kernel: PCI: Found IRQ 11 for device 0000:00:02.0
> Aug 25 21:46:39 dwarf kernel: slab error in cache_alloc_debugcheck_after(): cache `blkdev_requests': memory before object was overwritten

Setting CONFIG_DEBUG_PAGEALLOC might help us trap this.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/