Re: [SPDK] A problem with SPDK 19.01 NVMeoF/RDMA target

[Valeriy Glushkov <valeriy.glushkov at starwind.com>]

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Hi Seth,

Thank you for the update!
The NVMf target works for me now.

-- 
Best regards,
Valeriy Glushkov
www.starwind.com
valeriy.glushkov(a)starwind.com

Howell, Seth <seth.howell(a)intel.com> писал(а) в своём письме Wed, 27 Feb  
2019 17:00:47 +0200:

> Hi Valeriy,
>
> This was a really stupid mistake on my part. I moved a decrement up  
> without moving the assert that accompanied it up with it (in my original  
> fix). Please see this one liner which should fix it. I will also  
> backport it to 19.01.1. The silver lining here is that there is nothing  
> functionally wrong with the code, the assert was just erroneous and will  
> hit when SPDK is built in debug mode.
>
> https://review.gerrithub.io/c/spdk/spdk/+/446440/1/lib/nvmf/rdma.c
>
> Thank you for replying and pointing this out,
>
> Seth
>
> -----Original Message-----
> From: SPDK [mailto:spdk-bounces(a)lists.01.org] On Behalf Of Valeriy  
> Glushkov
> Sent: Tuesday, February 26, 2019 3:21 PM
> To: Storage Performance Development Kit <spdk(a)lists.01.org>
> Subject: Re: [SPDK] A problem with SPDK 19.01 NVMeoF/RDMA target
>
> Hi Seth,
>
> It seems that some problem is still present in the nvmf target built  
> from the recent SPDK trunk.
> It crashes with dump under our performance test.
>
> ===========
> # Starting SPDK v19.04-pre / DPDK 18.11.0 initialization...
> [ DPDK EAL parameters: nvmf --no-shconf -c 0x1 --log-level=lib.eal:6
> --base-virtaddr=0x200000000000 --file-prefix=spdk_pid131804 ]
> EAL: No free hugepages reported in hugepages-2048kB
> EAL: 2 hugepages of size 1073741824 reserved, but no mounted hugetlbfs  
> found for that size
> app.c: 624:spdk_app_start: *NOTICE*: Total cores available: 1
> reactor.c: 233:_spdk_reactor_run: *NOTICE*: Reactor started on core 0
> rdma.c:2758:spdk_nvmf_rdma_poller_poll: *ERROR*: data=0x20002458d000
> length=4096
> rdma.c:2758:spdk_nvmf_rdma_poller_poll: *ERROR*: data=0x20002464b000
> length=4096
> rdma.c:2758:spdk_nvmf_rdma_poller_poll: *ERROR*: data=0x2000245ae000
> length=4096
> rdma.c:2786:spdk_nvmf_rdma_poller_poll: *ERROR*: data=0x20002457e000
> length=4096
> rdma.c:2758:spdk_nvmf_rdma_poller_poll: *ERROR*: data=0x20002457e000
> length=4096
> rdma.c:2786:spdk_nvmf_rdma_poller_poll: *ERROR*: data=0x2000245a8000
> length=4096
> nvmf_tgt: rdma.c:2789: spdk_nvmf_rdma_poller_poll: Assertion  
> `rdma_req->num_outstanding_data_wr > 0' failed.
> ^C
> [1]+  Aborted                 (core dumped) ./nvmf_tgt -c ./nvmf.conf
> =========
>
> Do you need the dump file or some additional info?
>
> --
> Best regards,
> Valeriy Glushkov
> www.starwind.com
> valeriy.glushkov(a)starwind.com
>