Messages in this thread | | | Date | Fri, 03 Mar 2000 13:20:54 -0500 | From | Garrick Staples <> | Subject | Re: intermittent NFS hangs from NetApp |
| |
Well, lucky for me, I convinved my boss to let me upgrade the kernel to 2.2.13 2 days ago which has apperantly fixed this problem. No more hangs. I'm considering this problem closed and tonight my boss is buying me dinner ;)
Alan Cox wrote: > > > When the problem occurs, all processes that touch the mount are > > indefinitly hung. Errors in messages show up: > > Feb 24 18:08:04 dhp0020 kernel: nfs: server 192.168.0.253 not > > responding, still trying > > Feb 24 18:08:04 dhp0020 kernel: nfs: server 192.168.0.253 not > > responding, still trying > > As far as its concerned the netapp isnt talking > > > The problem is immediately solved with a simple umount -f; which fails > > because of the current processes, but it fixes the hang! When I do > > umount -f, all of the waiting processes get a failed read, but they > > continue normally. > > That suggests a wakeup got missed somewhere. It doesnt fit the netapp > not talking. Either the netapp is losing a consistent request or it is > the nfs client in the kernel. Both are possible, only doing some network > dumps (tcpdump with -l 1514 and asked to decode NFS frames) done when it > starts hanging would tell
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |