On 4/28/22 11:42 AM, Dennis Dalessandro wrote: > On 4/28/22 10:57 AM, Chuck Lever III wrote: >>> On Apr 28, 2022, at 9:05 AM, Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx> wrote: >>> >>> Hi NFS folks, >>> >>> I've noticed a pretty nasty regression in our NFS capability between 5.17 and >>> 5.18-rc1. I've tried to bisect but not having any luck. The problem I'm seeing >>> is it takes 3 minutes to copy a file from NFS to the local disk. When it should >>> take less than half a second, which it did up through 5.17. >>> >>> It doesn't seem to be network related, but can't rule that out completely. >>> >>> I tried to bisect but the problem can be intermittent. Some runs I'll see a >>> problem in 3 out of 100 cycles, sometimes 0 out of 100. Sometimes I'll see it >>> 100 out of 100. >> >> It's not clear from your problem report whether the problem appears >> when it's the server running v5.18-rc or the client. > > That's because I don't know which it is. I'll do a quick test and find out. I > was testing the same kernel across both nodes. Looks like it is the client. server client result ------ ------ ------ 5.17 5.17 Pass 5.17 5.18 Fail 5.18 5.18 Fail 5.18 5.17 Pass Is there a patch for the client issue you mentioned that I could try? -Denny
