Re: Choosing z3fold allocator in zswap gives WARNING: CPU: 0 PID: 5140 at mm/zswap.c:503 __zswap_pool_current+0x56/0x60

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On Mon, Aug 1, 2016 at 11:21 AM, Marcin Mirosław <marcin@xxxxxxxx> wrote:
W dniu 01.08.2016 o 11:08, Vitaly Wool pisze:
> Hi Marcin,
>
> Den 1 aug. 2016 11:04 fm skrev "Marcin Mirosław" <marcin@xxxxxxxx
> <mailto:marcin@xxxxxxxx>>:
>>
>> Hi!
>> I'm testing kernel-git
>> (git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> <http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git> , at
>> 07f00f06ba9a5533d6650d46d3e938f6cbeee97e ) because I noticed strange OOM
>> behavior in kernel 4.7.0. As for now I can't reproduce problems with
>> OOM, probably it's fixed now.
>> But now I wanted to try z3fold with zswap. When I did `echo z3fold >
>> /sys/module/zswap/parameters/zpool` I got trace from dmesg:
>
> Could you please give more info on how to reproduce this?

Nothing special. Just rebooted server (vm on kvm), started services and
issued `echo z3fold > ...`

Well, first of all this is Intel right?

~vitaly 

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