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    SubjectRe: 2.6.19-rc2-mm1
    Andy Whitcroft wrote:
    > Seeing this on a couple of x86_64's so far, probabally widespread:
    >
    > BUG: warning at fs/inode.c:1389/i_size_write()
    >
    > elm3b6:
    >
    > Call Trace:
    > [<ffffffff8028207d>] i_size_write+0x51/0x73
    > [<ffffffff8028ddfb>] generic_commit_write+0x35/0x49
    > [<ffffffff802e78d1>] ext2_commit_chunk+0x32/0x6d
    > [<ffffffff802e86a0>] ext2_make_empty+0x160/0x179
    > [<ffffffff802eb734>] ext2_mkdir+0xb5/0x121
    > [<ffffffff80278926>] vfs_mkdir+0x6a/0xaa
    > [<ffffffff80278a12>] sys_mkdirat+0xac/0xfd
    > [<ffffffff80272607>] vfs_stat+0x14/0x16
    > [<ffffffff8021b703>] sys32_stat64+0x1a/0x34
    > [<ffffffff80278a76>] sys_mkdir+0x13/0x15
    > [<ffffffff8021b212>] ia32_sysret+0x0/0xa
    >
    > This first one does not look so unreasonable, the inode is new and has
    > not yet been instantiated? But I'm no fs locking expert ...

    I get something similar on x86 :

    BUG: warning at fs/inode.c:1389/i_size_write()
    [<c0102eb1>] dump_trace+0x63/0x1bf
    [<c010301f>] show_trace_log_lvl+0x12/0x25
    [<c0103559>] show_trace+0xd/0x10
    [<c01035d0>] dump_stack+0x16/0x18
    [<c0156c6f>] i_size_write+0x39/0x54
    [<c0162050>] generic_commit_write+0x55/0x6b
    [<c018fd0f>] ext2_commit_chunk+0x20/0x55
    [<c018ffc6>] ext2_make_empty+0x14b/0x161
    [<c0192d1d>] ext2_mkdir+0xa0/0xfe
    [<c014db69>] vfs_mkdir+0x5a/0x9d
    [<c014fb43>] sys_mkdirat+0x85/0xbb
    [<c014fb89>] sys_mkdir+0x10/0x12
    [<c01027fc>] syscall_call+0x7/0xb
    DWARF2 unwinder stuck at syscall_call+0x7/0xb

    It happens only once, when a first directory is created on / (ext2).

    C,
    -
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