[2.6.13-rc6-git13/sparc64]: Slab corruption (possible stack orbuffer-cache corruption)

[Tomasz Kłoczko]

Hardware: Sun E250 SMP (2x400MHz), 1.5GB RAM.
Kernel: 2.6.12-1.1505sp3 (from Aurora corona repo).

On first it looks like stack or buffer-cache corruption.

 Slab corruption: (Not tainted) start=fffff8005d9be708, len=808
 Redzone: 0x5a2cf071/0x5a2cf071.
 Last user: [destroy_inode+100/144](destroy_inode+0x64/0x90)
 Call Trace:
  [00000000004759f4] free_block+0x160/0x1b4
  [0000000000475bb8] cache_flusharray+0x98/0x128
  [0000000000475704] kmem_cache_free+0x68/0x94
  [00000000004a56c4] destroy_inode+0x64/0x90
  [00000000004a68f4] dispose_list+0xf0/0x12c
  [00000000004a6af8] shrink_icache_memory+0x1c8/0x22c
  [0000000000478c74] shrink_slab+0xc8/0x148
  [000000000047a298] kswapd+0x2ec/0x42c
  [0000000000415800] kernel_thread+0x30/0x48
 [0000000000714dc8] kswapd_init+0x24/0x6c
 090: 6b 6b 6b 6b 6b 6b 6b 6b ff ff f8 00 5d 17 61 50
 Prev obj: start=fffff8005d9be3c8, len=808
 Redzone: 0x5a2cf071/0x5a2cf071.
 Last user: [destroy_inode+100/144](destroy_inode+0x64/0x90)
 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
 Next obj: start=fffff8005d9bea48, len=808
 Redzone: 0x5a2cf071/0x5a2cf071.
 Last user: [destroy_inode+100/144](destroy_inode+0x64/0x90)
 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b

kloczek
--
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*Ludzie nie mają problemów, tylko sobie sami je stwarzają*
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Tomasz Kłoczko, sys adm @zie.pg.gda.pl|*e-mail: kloczek@xxxxxxxxxxxxxxxxxx*