Red Hat Bugzilla – Bug 202555
NFSD: setclientid: string in use by client
Last modified: 2008-05-01 06:52:36 EDT
Description of problem: Automounted NFS home directories have problems. Leads to difficulties in logging back in as a different user. Not sure if this is NFS or automount or kernel issue. Version-Release number of selected component (if applicable): Kernel is 2.6.17-1.2174_FC5 on server Kernel is 2.6.17-1.2174_FC5smp on the client nfs-utils-1.0.8-2.fc5.i386.rpm nfs-utils-lib-1.0.8-4.FC5.i386.rpm How reproducible: Has repeated through several reboots of the client machine. Works for a while and then fails. May be issues with multiple clients accessing machine from different systems. All hostnames are correct in localhost. Restarting NFS on the server fixes the problem for a short time. Steps to Reproduce: 1. Log off client X server 2. You may or may not be able to log back on as someone else 3. Actual results: Logging off X locks up logins on client machine. Console logins that don't involve NFS are still fine. Expected results: You should be able to log off of the system without issues, even with an automounted directory. Additional info: server ifconfig shows one overrun, but no idea when. client ifconfig shows 39 overruns. Both are out of several hundred thousand packets. Neither have any other errors listed in the ifconfig. Likewise, there are no other error messages near the time of these NFS errors in the log. automount config * -fstype=nfs4,rw,rsize=32768,wsize=32768,intr,soft,proto=tcp,port=2049 /home /etc/auto.home --timeout=15
Would it be possible to get a system back trace by type SysRq-t on the console? (Note you have to turn on kernel.sysrq=1 in /etc/sysctl.conf to enable the these keys to work)
sysctl.conf change is made. I'll have to wait for the next lockup before I can get you the back trace.
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Please reopen this bug if the problem happens in a more recent release