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    SubjectRe: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __fput+0x1a8/0x1e0()
    > On Tue, 22 Jan 2008 21:30:23 +0100 Mariusz Kozlowski <m.kozlowski@tuxland.pl> wrote:
    > Hello,
    >
    > Issuing "sysrq-s sysrq-u" sequence causes these warnings on sparc64:
    >
    > ------------[ cut here ]------------
    > WARNING: at fs/file_table.c:49 __fput+0x1a8/0x1e0()
    > Modules linked in: sg sr_mod cdrom
    > Call Trace:
    > [00000000004c9ac8] __fput+0x1b0/0x1e0
    > [00000000004c6978] filp_close+0x60/0x80
    > [00000000004c6a18] sys_close+0x80/0xe0
    > [00000000004062d4] linux_sparc_syscall32+0x3c/0x40
    > [0000000000012f1c] 0x12f24
    > ---[ end trace 6dbe14ff8ec57744 ]---
    > ------------[ cut here ]------------
    > WARNING: at fs/file_table.c:49 __fput+0x1a8/0x1e0()
    > Modules linked in: sg sr_mod cdrom
    > Call Trace:
    > [00000000004c9ac8] __fput+0x1b0/0x1e0
    > [00000000004c6978] filp_close+0x60/0x80
    > [00000000004c6a18] sys_close+0x80/0xe0
    > [00000000004062d4] linux_sparc_syscall32+0x3c/0x40
    > [0000000000012f1c] 0x12f24
    > ---[ end trace 6dbe14ff8ec57744 ]---
    > ------------[ cut here ]------------
    > WARNING: at fs/file_table.c:49 __fput+0x1a8/0x1e0()
    > Modules linked in: sg sr_mod cdrom
    > Call Trace:
    > [00000000004c9ac8] __fput+0x1b0/0x1e0
    > [00000000004c6978] filp_close+0x60/0x80
    > [00000000004c6a18] sys_close+0x80/0xe0
    > [00000000004062d4] linux_sparc_syscall32+0x3c/0x40
    > [0000000000012f1c] 0x12f24
    > ---[ end trace 6dbe14ff8ec57744 ]---
    > ------------[ cut here ]------------
    > WARNING: at fs/file_table.c:49 __fput+0x1a8/0x1e0()
    > Modules linked in: sg sr_mod cdrom
    > Call Trace:
    > [00000000004c9ac8] __fput+0x1b0/0x1e0
    > [00000000004c6978] filp_close+0x60/0x80
    > [00000000004c6a18] sys_close+0x80/0xe0
    > [00000000004062d4] linux_sparc_syscall32+0x3c/0x40
    > [0000000000012f1c] 0x12f24
    > ---[ end trace 6dbe14ff8ec57744 ]---
    >

    That's

    WARN_ON(f->f_mnt_write_state == FILE_MNT_WRITE_TAKEN);

    cc's added...


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