Matthew Wilcox wrote:
On Mon, May 11, 2009 at 05:16:10PM +0530, Sachin Sant wrote:
Today's Next tree failed to boot on a Power6 box with following BUG :
This doesn't actually appear to be a SCSI bug ... it looks like SCSI tried
to allocate memory and things went wrong in the memory allocator:
[c0000000c7d038b0] [c0000000005d67d8] ._spin_lock+0x10/0x24
[c0000000c7d03920] [c00000000013fbdc] .__slab_alloc_page+0x344/0x3cc
[c0000000c7d039e0] [c000000000141168] .kmem_cache_alloc+0x13c/0x21c
[c0000000c7d03aa0] [c000000000141b04] .kmem_cache_create+0x294/0x2a8
[c0000000c7d03b90] [d000000000ea14cc] .scsi_init_queue+0x38/0x170 [scsi_mod]
Which memory allocator did you have selected (SLAB, SLUB, SLOB, SLQB)?
Default one. SLQB
CONFIG_SLQB_ALLOCATOR=y
CONFIG_SLQB=y
Page size is 64K with Config DEBUG_PAGEALLOC set.
CONFIG_PPC_HAS_HASH_64K=y
CONFIG_PPC_64K_PAGES=y
CONFIG_DEBUG_PAGEALLOC=y
Thanks
-Sachin
--
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Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
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