Re: kernel BUG in __cache_alloc_node at linux-2.6.git/mm/slab.c:3177!

[Will Schmidt <will_schmidt@vnet.ibm.com>]

On Thu, 2006-19-10 at 14:28 -0700, Christoph Lameter wrote:
> On Thu, 19 Oct 2006, Will Schmidt wrote:
> 
> > This didnt fix the problem on my box.  I tried this both against mm and
> > linux-2.6.git 
> 
> Same failure condition? Would you also apply the printk patch and send 
> me the output?

Yup, here it is:

-----------------------------------------------------
ppc64_pft_size                = 0x18
physicalMemorySize            = 0x22000000
ppc64_caches.dcache_line_size = 0x80
ppc64_caches.icache_line_size = 0x80
htab_address                  = 0x0000000000000000
htab_hash_mask                = 0x1ffff
-----------------------------------------------------
Linux version 2.6.19-rc2-mm1 (willschm@airbag2) (gcc version 4.1.0 (SUSE
Linux)) #2 SMP Thu Oct 19 16:37:26 CDT 2006
[boot]0012 Setup Arch
NUMA associativity depth for CPU/Memory: 3
adding cpu 0 to node 0
node 0
NODE_DATA() = c000000015ffed80
start_paddr = 8000000
end_paddr = 16000000
bootmap_paddr = 15ffc000
reserve_bootmem ffc0000 40000
reserve_bootmem 15ffc000 2000
reserve_bootmem 15ffed80 1280
node 1
NODE_DATA() = c000000021ff7b80
start_paddr = 0
end_paddr = 22000000
bootmap_paddr = 21ff2000
reserve_bootmem 0 851000
reserve_bootmem 2655000 9000
reserve_bootmem 77b2000 84e000
reserve_bootmem 21ff2000 5000
reserve_bootmem 21ff7b80 1280
reserve_bootmem 21ff8e58 71a4
No ramdisk, default root is /dev/sda2
EEH: No capable adapters found
PPC64 nvram contains 7168 bytes
Zone PFN ranges:
  DMA             0 ->   139264
  Normal     139264 ->   139264
early_node_map[3] active PFN ranges
    1:        0 ->    32768
    0:    32768 ->    90112
    1:    90112 ->   139264
[boot]0015 Setup Done
Built 2 zonelists.  Total pages: 136576
Kernel command line: root=/dev/sda3  xmon=on numa=debug
[boot]0020 XICS Init
[boot]0021 XICS Done
PID hash table entries: 4096 (order: 12, 32768 bytes)
Console: colour dummy device 80x25
Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
freeing bootmem node 0
freeing bootmem node 1
Memory: 530216k/557056k available (5544k kernel code, 30508k reserved,
2232k data, 548k bss, 248k init)
Get cache descritor
__cache_alloc
__cache_alloc_node 0
fallback_alloc
__cache_alloc_node 0
__cache_alloc_node 1
kernel BUG in __cache_alloc_node
at /development/kernels/2.6-mm/mm/slab.c:3193!
cpu 0x0: Vector: 700 (Program Check) at [c00000000079b8d0]
    pc: c0000000000b70f8: .__cache_alloc_node+0x5c/0x208
    lr: c0000000000b70e0: .__cache_alloc_node+0x44/0x208
    sp: c00000000079bb50
   msr: 8000000000021032
  current = 0xc00000000058ca90
  paca    = 0xc00000000058d380
    pid   = 0, comm = swapper
kernel BUG in __cache_alloc_node
at /development/kernels/2.6-mm/mm/slab.c:3193!
enter ? for help
[c00000000079bc00] c0000000000b735c .fallback_alloc+0xb8/0xfc
[c00000000079bca0] c0000000000b7930 .kmem_cache_zalloc+0xd4/0x128
[c00000000079bd40] c0000000000b9af4 .kmem_cache_create+0x1f4/0x604
[c00000000079be30] c000000000546d98 .kmem_cache_init+0x1d8/0x4b0
[c00000000079bef0] c00000000052c748 .start_kernel+0x244/0x328
[c00000000079bf90] c0000000000084f8 .start_here_common+0x54/0x5c
0:mon>  

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