hi Marov,
Other person also met this problem when using rdma, but it's ok to me.
so plz give more infos to figure it out
On Thu, Nov 17, 2016 at 10:49 PM, Sage Weil <sweil@xxxxxxxxxx> wrote:
> [adding ceph-devel]
>
> On Thu, 17 Nov 2016, Marov Aleksey wrote:
>> Hello Sage
>>
>> My name is Alex. I need some help with resolving issue with ceph. I have
>> been testing ceph with rdma messenger and I got an error
>>
>> src/log/SubsystemMap.h: 62: FAILED assert(sub < m_subsys.size())
>>
>> I have no idea what it means. I noticed that you was the last one who
>> committed in SubsystemMap.h so I think you have some understanding of this
>> condition in assert
>>
>> bool should_gather(unsigned sub, int level) {
>> assert(sub < m_subsys.size());
>> return level <= m_subsys[sub].gather_level ||
>> level <= m_subsys[sub].log_level;
>> }
>>
>> This error occurs only when I use fio benchmark to test rbd. When I use "rbd
>> bench-write ..." it is ok. But fio is much mire flexible . In any case I
>> think it is not good to get any assert.
>>
>> Can you explain this for me please, or give a hint where to investigate my
>> trouble.
>
> Can you generate a core file, and then use gdb to capture the output of
> 'thread apply all bt'?
>
> Thanks-
> asge
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