[SPDK] Re: Query about "Starting I/O failed" exception while using arbitration NVMe example

> -----Original Message-----
> From: Harshit Jain <kumarjain10(a)gmail.com>
> Sent: Tuesday, June 16, 2020 10:26 PM
> To: spdk(a)lists.01.org
> Subject: [SPDK] Query about "Starting I/O failed" exception while using
> arbitration NVMe example
> 
> Hello Team,
> 
> I was trying to setup SPDK on Linux Kernel 5.6.4 and get started on using SPDK
> examples. I hope I have posted the query in the right forum thread.
> 
> I was trying to setup SPDK on Linux Kernel 5.6.4. While trying to execute the
> NVMe arbitration example, I am facing Starting I/O failed exception. I have
> added debug prints to get the value of error and it was -22.
> 
> The attached NVMe SSD has a single namespace of 64MB and 4k sector size
> format and single controller. Since basic script was giving exception, I tried
> reducing the IO count to 1 and io size in bytes to 4096 to keep the IO profile
> simple. But I still faced the same exception.
> 
> Is there any configuration missing while setting up SPDK?
> 
> I have tried most of the other examples too, it is observed that NVMe Admin
> commands and queue creation is working fine but the example script is unable
> to submit NVM I/O commands to the controller due to the mentioned
> exception.
> 
> SPDK version
> Starting SPDK v20.07-pre git sha1 e69375b / DPDK 19.11.0 initialization...

Can you confirm if the other tools like identify and perf are working for you? Does the identify tool report that you device supports arbitration?


> 
> 
> Thanks in advance.
> 
> Regards,
> Harshit
> _______________________________________________
> SPDK mailing list -- spdk(a)lists.01.org
> To unsubscribe send an email to spdk-leave(a)lists.01.org