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SubjectRe: cgroup: BUG: unable to handle kernel NULL pointer dereference
On Fri, Jan 01, 2016 at 03:40:28PM -0800, Jeremiah Mahler wrote:
> all,
>
> When running the latest linux-next (20151231) two of my machines
> hang early in the boot sequence. The initial message is for a
> NULL pointer dereference.
>
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000030
>
> And the RIP line refers to cgroup_path.
>
> RIP [<ffffffff810eb178>] cgroup_path+0x30/0x80
>
> Attached are pictures of the back trace.
>
> Let me know if I can do anything else to help. I will investigate the
> problem further if I get a chance.

This is most likely from the recent changes from cgroup ns support.
Reverted the patchset for now as it also introduced a bisectability
issue. Serge, can you please look into this one?

Thanks.

--
tejun


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