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    SubjectRe: [Aurora-sparc-devel] [2.6.13-rc6-git13/sparc64]: Slab corruption (possible stack or buffer-cache corruption)
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    On Mon, 2005-09-12 at 16:37 +0200, Tomasz Kłoczko wrote:
    > 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

    We've been seeing this intermittently on arthur since Aurora 1.0 (2.4).

    ~spot
    --
    Tom "spot" Callaway: Red Hat Senior Sales Engineer || GPG ID: 93054260
    Fedora Extras Steering Committee Member (RPM Standards and Practices)
    Aurora Linux Project Leader: http://auroralinux.org
    Lemurs, llamas, and sparcs, oh my!

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