Since I ran the last yum update I've been getting problems with nfs daemon. Anybody experiencing similar problems?
Wojtek
That's what I get in dmesg: ------------------------------------------------- ... Installing knfsd (copyright (C) 1996 okir@monad.swb.de). Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: 02134be0 *pde = 00000000 Oops: 0000 [#1] Modules linked in: nfsd exportfs lockd usbserial parport_pc lp parport autofs4 sunrpc tulip floppy sg scsi_mod dm_mod uhci_hcd md5 ipv6 ext3 jbd CPU: 0 EIP: 0060:[<02134be0>] Not tainted EFLAGS: 00010246 (2.6.7-1.515) EIP is at page_address+0x6/0x5f eax: 00000000 ebx: 00000000 ecx: 0000000a edx: 0df49800 esi: 06ebd0b6 edi: 00000009 ebp: 06479800 esp: 06440f1c ds: 007b es: 007b ss: 0068 Process nfsd (pid: 2105, threadinfo=06440000 task=064745c0) Stack: ffff976c 06ebd0b6 00000009 06479800 0e9bc1df 00000001 00000001 0df49800 064fae60 0e94965c 0e9c000a 00000006 00000003 00000011 0df49800 0df49800 0e9bc0bc 0e9d0d58 0e9d0b18 0e9b24dd 0643e014 0df49864 0df49800 0e9d0d58 Call Trace: [<0e9bc1df>] nfs3svc_decode_readargs+0x123/0x169 [nfsd] [<0e94965c>] svc_udp_recvfrom+0x195/0x227 [sunrpc] [<0e9c000a>] nfsd4_decode_fattr+0x23e/0x4eb [nfsd] [<0e9bc0bc>] nfs3svc_decode_readargs+0x0/0x169 [nfsd] [<0e9b24dd>] nfsd_dispatch+0x6a/0x15d [nfsd] [<0e948b3a>] svc_process+0x32b/0x569 [sunrpc] [<0e9b233a>] nfsd+0x18e/0x2c7 [nfsd] [<0e9b21ac>] nfsd+0x0/0x2c7 [nfsd] [<021031d9>] kernel_thread_helper+0x5/0xb Code: 8b 00 f6 c4 01 75 19 2b 1d 30 dd 37 02 c1 fb 05 c1 e3 0c 8d <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: 02134be0 *pde = 00000000
...
Oops: 0000 [#8] Modules linked in: nfsd exportfs lockd usbserial parport_pc lp parport autofs4 sunrpc tulip floppy sg scsi_mod dm_mod uhci_hcd md5 ipv6 ext3 jbd CPU: 0 EIP: 0060:[<02134be0>] Not tainted EFLAGS: 00010246 (2.6.7-1.515) EIP is at page_address+0x6/0x5f eax: 00000000 ebx: 00000000 ecx: 0000000a edx: 0df4b200 esi: 098268b6 edi: 00000009 ebp: 0a32f800 esp: 06b71f1c ds: 007b es: 007b ss: 0068 Process nfsd (pid: 2097, threadinfo=06b71000 task=06bf1a50) Stack: ffff976c 098268b6 00000009 0a32f800 0e9bc1df 00000001 00000001 0df4b200 064fae60 0e94965c 0e9c000a 00000006 00000003 00000011 0df4b200 0df4b200 0e9bc0bc 0e9d0d58 0e9d0b18 0e9b24dd 06403014 0df4b264 0df4b200 0e9d0d58 Call Trace: [<0e9bc1df>] nfs3svc_decode_readargs+0x123/0x169 [nfsd] [<0e94965c>] svc_udp_recvfrom+0x195/0x227 [sunrpc] [<0e9c000a>] nfsd4_decode_fattr+0x23e/0x4eb [nfsd] [<0e9bc0bc>] nfs3svc_decode_readargs+0x0/0x169 [nfsd] [<0e9b24dd>] nfsd_dispatch+0x6a/0x15d [nfsd] [<0e948b3a>] svc_process+0x32b/0x569 [sunrpc] [<0e9b233a>] nfsd+0x18e/0x2c7 [nfsd] [<0e9b21ac>] nfsd+0x0/0x2c7 [nfsd] [<021031d9>] kernel_thread_helper+0x5/0xb Code: 8b 00 f6 c4 01 75 19 2b 1d 30 dd 37 02 c1 fb 05 c1 e3 0c 8d <6>loop: loaded (max 8 devices) ------------------------------------------------------------------
I too have been having problems with the last few kernel releases and NFS.
What I am seeing is that if the NFS mount is Linux client -> Linux server, it hangs forever. Even kill -9 does not stop the mount command. Interestingly, mounts that are Linux client -> Solaris server work just fine, but Solaris client -> Linux server fail. I have the nfsvers=2 option in my sysconfig/autofs. Dropping back the Linux NFS server machine to an earlier kernel release, fixes the problem.
on 8/12/2004 11:48 AM, Alan Cox at alan@redhat.com wrote:
On Thu, Aug 12, 2004 at 11:07:43AM -0400, Wojciech Fraczak wrote:
Since I ran the last yum update I've been getting problems with nfs daemon. Anybody experiencing similar problems?
The same has been reported upstream for the latest small nfs changes