On Sat, Jul 08, 2023 at 06:30:26PM +0000, Chuck Lever III wrote: > Hi - > > I have a "standard" test of running the git regression suite with > many threads against an NFS mount. I found that with 6.5-rc, the > test stalled and several nfsd threads on the server were stuck > in D state. Can you paste the exact reproducer here? > I can reproduce this stall 100% with both an xfs and an ext4 > export, so I bisected with both, and both bisects landed on the > same commit: > On system 1: the exports are on top of /dev/mapper and reside on > an "INTEL SSDSC2BA400G3" SATA device. > > On system 2: the exports are on top of /dev/mapper and reside on > an "INTEL SSDSC2KB240G8" SATA device. > > System 1 was where I discovered the stall. System 2 is where I ran > the bisects. Ok. I'd be curious if this reproducers without either device mapper or on a non-SATA device. If you have an easy way to run it in a VM that'd be great. Otherwise I'll try to recreate it in various setups if you post the exact reproducer.
