lkml.org 
[lkml]   [2008]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: v2.6.26-rc7/cgroups: circular locking dependency
    On Sun, Jun 22, 2008 at 11:10 AM, Cyrill Gorcunov <gorcunov@gmail.com> wrote:
    > [Vegard Nossum - Sat, Jun 21, 2008 at 07:38:59PM +0200]
    > | =======================================================
    > | [ INFO: possible circular locking dependency detected ]
    > | 2.6.26-rc7 #25
    > | -------------------------------------------------------
    > | bash/10032 is trying to acquire lock:
    > | (&cpu_hotplug.lock){--..}, at: [<c015efbc>] get_online_cpus+0x2c/0x40
    > |
    > | but task is already holding lock:
    > | (cgroup_mutex){--..}, at: [<c0160e6f>] cgroup_lock+0xf/0x20

    ...

    > Hi Vegard,
    >
    > would be interesting to see your config please

    Here is my config and vmlinux:

    http://www.kernel.org/pub/linux/kernel/people/vegard/kernels/20080621-v2.6.26-rc7/

    By the way, I was doing CPU hotplug/unplug at the time.

    Thanks :)


    Vegard

    --
    "The animistic metaphor of the bug that maliciously sneaked in while
    the programmer was not looking is intellectually dishonest as it
    disguises that the error is the programmer's own creation."
    -- E. W. Dijkstra, EWD1036


    \
     
     \ /
      Last update: 2008-06-22 11:45    [W:0.038 / U:0.072 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site