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    Subjecttty && pid problems
    (Change the subject, cc Alan)

    On 02/19, Valdis.Kletnieks@vt.edu wrote:
    >
    > On Sun, 17 Feb 2008 21:11:14 MST, Eric W. Biederman said:
    > > Oleg Nesterov <oleg@tv-sign.ru> writes:
    > > > On 02/16, Oleg Nesterov wrote:
    > > >> On 02/15, Andrew Morton wrote:
    > > >> > : BUG: unable to handle kernel paging request at 0000000000200200
    >
    > > >> > : Call Trace:
    > > >> > : [<ffffffff80237727>] ? release_task+0x152/0x2e5
    > > >> > : [<ffffffff80237f81>] ? do_wait+0x6c7/0xa1c
    > > >> > : [<ffffffff8022f4cc>] ? default_wake_function+0x0/0xe
    > > >> > : [<ffffffff8023e670>] ? sys_rt_sigaction+0x7a/0x98
    > > >> > : [<ffffffff80238360>] ? sys_wait4+0x8a/0xa1
    > > >> > : [<ffffffff8020be4b>] ? system_call_after_swapgs+0x7b/0x80
    >
    > > Thanks. Looks like we need to grab a lock there.
    > > At a quick skim I think we need the tty lock.
    >
    > *ping* - Any further activity on this one? I got bit by it as well on
    > the very first attempted boot of 25-rc2-mm1, the instant it tried to leave
    > single-user and go multi-user.

    Valdis, any chance you can try the
    "[PATCH] (for -mm only) put_pid: make sure we don't free the live pid"
    I sent? just to make sure we don't have other problems here.

    Oleg.



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