nvme-tcp request timeouts

Sagi Grimberg sagi at grimberg.me
Wed Oct 12 00:51:53 PDT 2022


>>>>> Can you bisect it ? that will help to understand the commit causing
>>>>> issue.
>>>>
>>>> I don't know of any "good" version right now. I started with a 5.10
>>>> kernel and saw this, and tested 6.0 and still see it. I found several
>>>> commits since 5.10 which fix some kind of timeouts:
>>>>
>>>> a0fdd1418007 nvme-tcp: rerun io_work if req_list is not empty
>>>> 70f437fb4395 nvme-tcp: fix io_work priority inversion
>>>> 3770a42bb8ce nvme-tcp: fix regression that causes sporadic requests 
>>>> to time out

btw Seth,

I've just looked at stable v5.10.147 and all of these fixes were taken
to 5.10 stable branch.

If you happen to use a 5.10 stable kernel (or a modified version of it),
let us know if you spot any missing fixes so we'll make sure they end up
there as well.



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