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    SubjectRe: CONFIG_MK6 = lsof hangs unkillable

    On 15-Jan-06, at 10:43 PM, Tony Mantler wrote:

    > I'm having trouble running lsof on when the kernel is
    > compiled with CONFIG_MK6. When run as root, lsof will segfault, and
    > when run as a user lsof will hang unkillable.
    > The same kernel, same machine, but compiled with CONFIG_MK7 runs
    > just lsof just fine.

    To follow up on this, it appears that things are getting stuck while
    reading /proc/*/maps, specifically it hangs in fs/proc/task_mmu.c in
    m_start() at down_read(&mm->mmap_sem). The same thing happens when
    trying to readlink /proc/*/exe.

    I'm really not sure why this lock is getting stuck. Can anyone
    reproduce this?

    Tony 'Nicoya' Mantler -- Master of Code-fu --
    -- -- --

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      Last update: 2006-01-17 00:01    [W:0.021 / U:23.696 seconds]
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