On Fri 07 Feb 2014 07:10:38 AM EST, Fengguang Wu wrote:
On Fri, Feb 07, 2014 at 02:13:59AM -0800, David Rientjes wrote:
On Fri, 7 Feb 2014, Fengguang Wu wrote:
[ 1.625020] BTRFS: selftest: Running btrfs_split_item tests
[ 1.627004] BTRFS: selftest: Running find delalloc tests
[ 2.289182] tsc: Refined TSC clocksource calibration: 2299.967 MHz
[ 292.084537] kthreadd invoked oom-killer: gfp_mask=0x3000d0, order=1,
oom_score_adj=0
[ 292.086439] kthreadd cpuset=
[ 292.087072] BUG: unable to handle kernel NULL pointer dereference at
0000000000000038
[ 292.087372] IP: [<ffffffff812119de>] pr_cont_kernfs_name+0x1b/0x6c
This looks like a problem with the cpuset cgroup name, are you sure this
isn't related to the removal of cgroup->name?
It looks not related to patch "cgroup: remove cgroup->name", because
that patch lies in the cgroup tree and not contained in output of "git log
BAD_COMMIT".
Still not sure exactly what is going on, but I can't trigger it here.
My first guess is that it is related to having btrfs static, some part
of our init is happening at the wrong time, and the self tests are
swooping in and causing trouble.
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