RHEL4u6 call trace 'sleeping function called from invalid context at mm/page_alloc.c:616'

Issue

Below mentioned error messages displayed on screen and system crashed:

    May  4 07:23:58 crlemseb1-adm kernel: Debug: sleeping function called from invalid context at mm/page_alloc.c:616
    May  4 07:23:58 crlemseb1-adm kernel: in_atomic():1[expected: 0], irqs_disabled():0
    May  4 07:23:58 crlemseb1-adm kernel: 
    May  4 07:23:58 crlemseb1-adm kernel: Call Trace:<ffffffff80133515>{__might_sleep+173} <ffffffff8015edb0>{__alloc_pages+64} 
    May  4 07:23:58 crlemseb1-adm kernel:        <ffffffff80140570>{__mod_timer+293} <ffffffff8015f112>{__get_free_pages+11} 
    May  4 07:23:58 crlemseb1-adm kernel:        <ffffffff8018d283>{__pollwait+58} <ffffffffa0af8601>{:gab:gab_linux_poll+871} 
    May  4 07:23:58 crlemseb1-adm kernel:        <ffffffff8018dd4e>{sys_poll+455} <ffffffff8018d249>{__pollwait+0} 
    May  4 07:23:58 crlemseb1-adm kernel:        <ffffffff801274e9>{sys32_rt_sigprocmask+210} <ffffffff801265af>{sysenter_do_call+27} 
    May  4 07:23:58 crlemseb1-adm kernel:        <ffffffff801d1da8>{dummy_inode_permission+0}