On Fri, Sep 6, 2024 at 4:22 PM Shinichiro Kawasaki <shinichiro.kawasaki@xxxxxxx> wrote: > > On Sep 02, 2024 / 19:54, Shin'ichiro Kawasaki wrote: > > The CKI project reported that the test case nvme/052 fails occasionally > > with the errors below: > [...] > > To avoid the failure, wait for the namespace removal before recreating > > the namespace. Modify nvmf_wait_for_ns() so that it can wait for > > namespace creation and removal. Call nvmf_wait_for_ns() for removal > > after _remove_nvmet_ns() call. While at it, reduce the wait time unit > > from 1 second to 0.1 second to shorten test time. > > > > The test case intends to catch the regression fixed by the kernel commit > > ff0ffe5b7c3c ("nvme: fix namespace removal list"). I reverted the commit > > from the kernel v6.11-rc4, then confirmed that the test case still can > > catch the regression with this change. > > > > Link: https://lore.kernel.org/linux-block/tczctp5tkr34o3k3f4dlyhuutgp2ycex6gdbjuqx4trn6ewm2i@qbkza3yr5wdd/ > > Fixes: 077211a0e9ff ("nvme: add test for creating/deleting file-ns") > > Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx> > > I applied the patch. Nilay, thanks for your help! > Thanks for the fix, I've verified the fix on the reproduced server. BTW, after the change, the executing time also reduced to 7s from 22s ===============================294 nvme/052 (tr=loop) (Test file-ns creation/deletion under one subsystem) [passed] runtime 7.759s ... 7.673s -- Best Regards, Yi Zhang