Hi Greg, You patch fixed my problem. Thanks! On Tue, Feb 12, 2019 at 08:44:13PM +0100, Greg KH wrote: > On Tue, Feb 12, 2019 at 11:21:57AM -0500, Murphy Zhou wrote: > > Hi, > > > > Starting nfs-server service can crash the kernel since > > commit ff9fb72bc07705c00795ca48631f7fffe24d2c6b > > Author: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > Date: Wed Jan 23 11:28:14 2019 +0100 > > > > debugfs: return error values, not NULL > > > > # git describe ff9fb72bc07705c00795ca48631f7fffe24d2c6b > > v5.0-rc2-3-gff9fb72bc077 > > > > Be careful with 'git describe', you showed what I applied that patch > against, not what release it showed up in. > > This really showed up in 5.0-rc6: > > $ git describe --contains ff9fb72bc07705c00795ca48631f7fffe24d2c6b > v5.0-rc6~21^2~3 Thanks very much for the tip! I forgot about this, so it should be a rc6 regression, :) -Murphy > > thanks, > > greg k-h