[Linux-cluster] gfs + nfsd crash

[Bas van der Vlies]

Sorry no subject ;-(

On Mar 6, 2006, at 8:59 PM, Bas van der Vlies wrote:

> Out setup is:
>  * We are using GFS from cvs stable branch  on our 2.6.14.7  
> cluster.  Just updated today to the
>    newest CVS version. Only had to change the mutex() calls.
> * The 4 nodes are running debian sarge;
> * The 4 nodes act as NFS-servers for +/- 640  client-nodes
> * brocade switch with SGI TP9300 4 controllers (15 TB)
>
> We did a lot of testing an we could not crash the cluster, bonnie/ 
> iozone and other tools/jobs. Now the cluster is in production we
> get a lot of nfsd crashed with EIP is at fda_create. We had it with  
> our previous kernel 2.16.4.4 and with this one and "latest"
> CVS stable version. The server still runs ++ the load is high and  
> it does not respond any more. If we are luckly only one NFS
> thread is gone and rest is still up. The rest of the nodes still work.
>
> Have users experienced this kind of problems and maybe have a  
> solution for this problem?
>
>
> Regards,
>
>
> Here is a oops message:
> Unable to handle kernel NULL pointer dereference at virtual address  
> 00000038
> printing eip:
> f89bf999
> *pde = 37bff001
> *pte = 00000000
> Oops: 0000 [#1]
> SMP
> Modules linked in: lock_dlm dlm cman dm_round_robin dm_multipath sg  
> ide_floppy ide_cd cdrom qla2300 qla2xxx_conf qla2xxx firmware_class  
> siimage piix e1000 gfs lock_harness dm_mod
> CPU:    0
> EIP:    0060:[<f89bf999>]    Tainted: GF     VLI
> EFLAGS: 00010246   (2.6.14.7-sara1)
> EIP is at gfs_create+0xa9/0x1e0 [gfs]
> eax: ffffffef   ebx: ffffffef   ecx: 00000001   edx: 00000000
> esi: f296e24c   edi: ebf01e18   ebp: ebf01e84   esp: ebf01df8
> ds: 007b   es: 007b   ss: 0068
> Process nfsd (pid: 16924, threadinfo=ebf00000 task=ebe84540)
> Stack: ebf01e48 f296e24c 00000001 00008180 ebf01e18 00000001  
> f8cb9000 dd042254
>        ebf01e18 ebf01e18 00000000 ebe84540 00000001 00000120  
> 00000000 000000c2
>        00000000 00000001 ebf01e40 ebf01e40 ebf01e48 ebf01e48  
> df0bd858 ebe84540
> Call Trace:
> [<c0103e5f>] show_stack+0x7f/0xa0
> [<c0104012>] show_registers+0x162/0x1d0
> [<c0104224>] die+0xf4/0x180
> [<c035f697>] do_page_fault+0x2e7/0x6b2
> [<c0103b03>] error_code+0x4f/0x54
> [<c016b663>] vfs_create+0x83/0xf0
> [<c01b81ce>] nfsd_create_v3+0x40e/0x550
> [<c01bed2d>] nfsd3_proc_create+0x11d/0x180
> [<c01b2f87>] nfsd_dispatch+0xd7/0x200
> [<c0353a96>] svc_process+0x536/0x670
> [<c01b2d1d>] nfsd+0x1bd/0x350
> [<c010127d>] kernel_thread_helper+0x5/0x18
> Code: 24 08 8d 45 c4 89 54 24 0c 89 74 24 04 89 04 24 e8 1d c3 fe  
> ff 85 c0 89 c3 0f 84 2e 01 00 00 83 f8 ef 0f 85 13 01 00 00 8b 55  
> 14 <80> 7a 38 00 0f 88 06 01 00 00 89 7c 24 0c 31 c0 8d 55 c4 89 44
>
>
>
>
>
>
> --
> Bas van der Vlies
> basv at sara.nl
>
>
>
> --
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--
Bas van der Vlies
basv at sara.nl