Re: shm broken on MIPS in current -git

[Manuel Lauss <manuel.lauss@googlemail.com>]

On Mon, Aug 1, 2011 at 3:11 PM, Vasiliy Kulikov <segoon@openwall.com> wrote:
> On Mon, Aug 01, 2011 at 14:51 +0200, Manuel Lauss wrote:
>> Commits 5774ed014f02120db9a6945a1ecebeb97c2acccb
>> (shm: handle separate PID namespaces case)
>> and 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d
>> (shm: optimize locking and ipc_namespace getting)
>> break on my MIPS systems.
>
> Can you please identify what commit breaks the system?

Reverting this one fixes the oops for good:

5774ed014f02120db9a6945a1ecebeb97c2acccb
 (shm: handle separate PID namespaces case)


>>  The following oops is
>> printed on boot, and as a result, more than  300 zombie kworker
>> kernel processes are resident.  I don't see this oops on x86 or x64.
>
> Do you have the same configs for x86 and mips?

MIPS is UP, SLAB without preempt, x86 is UP/SMP, SLUB with preempt.
It's not SLAB/SLUB and not preempt, and both MIPS+x86 have all
namespace options enabled.

both configs are temporarily available here:
http://mlau.at/config-mips
http://mlau.at/config-x64

Thanks!
     Manuel Lauss