Re: [SSI-users] nfs mount crashes cluster [was: Re: automount on openssi]

[<ml-...@ep...>]

Hi!

This is the error I get when trying to mount an NFS share on the
cluster (2 nodes, mount executed on node 1, v1.9.1 debs):

RNFS_NOTIFY error -5 node 2

kernel BUG at include/asm/spinlock.h:109!
invalid operand: 0000 [#1]
SMP
Modules linked in: nfs ...
CPU:     0
EIP:     0060:[<c045801b>]  Not tainted VLI
EEFLAGS: 00010202   (2.6.10-ssi-i686-smp)
EIP is at _spin_unlock+0x1b/0x30
eax: 00000001   ebx: dfd880b8   ecx: dfd89f01   edx: c067f800
esi: dfd88080   edi: db9a6e6c   ebp: db9a6e5c   esp: db9a6e5c
ds: 007b   es: 007b   ss: 0068
Process mount (pid: 69096, threadinfo=db9a6000 task=dfef6bf0)
Stack: db9a6ec0 c018b4d4 dfd88080 db9a6e74 db9a6e6c db9a6e6c db90b050 dfd88e00
       000002b0 0000002f dbeb0c00 000002b0 db95f400 00000009 db90d000 db953860
       df4ef000 c018bc54 dfd88080 fffffffb 00000003 00000030 fffffffb dfd88080
Call Trace:
 [<c010687f>] show_stack+0x7f/0xa0
 [<c0106a34>] show_registers+0x164/0x220
 [<c0106dc4>] die+0xf4/0x1c0
 [<c0106f45>] do_trap+0xb5/0xc0
 [<c01071fc>] do_invalid_op+0xbc/0xd0
 [<c01064d3>] error_code+0x2b/0x30
 [<c018b4d4>] umount_tree+0xb4/0x110
 [<c018c503>] do_add_mount+0x203/0x250
 [<c018c2e9>] do_new_mount+0x99/0xb0
 [<c018cb46>] do_mount+0x1d6/0x2e0
 [<c018cd4b>] sys_mount+0x9b/0x100
 [<c010596b>] syscall_call+0x7/0xb
Code c0 eb e9 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 c2 89 e5 81 78 04 ad 4e ad de b1 01 75 15 0f b6 02 84 c0 7f 04 86 0a 5d c3 <0f> 0b 6d 00 fc 58 48 c0 eb f2 0f 0b 6c 00 fc 58 48 c0 eb e1 90

Entering kdb...

In kdb a backtrace reveals:

Stack tracebak for pid 69096
0xdfef6bf0    69096    69096  1    0   R  0xdfef6dd0 *mount
EBP        EIP        Function (args)
0xdb9a6e5c 0xc045801b _spin_unlock+0x1b (0xdfd88080, 0xdb9a6e74, 0xdb9a6e6c, 0xdb9a6e6c, 0xdb90b050)
0xdb9a6ec0 0xc018b4d4 umount_tree+0xb4 (0xdfd88080, 0xdb9a6f40, 0x40000000, 0xdb9a1000, 0xdb984001)
0xdb9a6ee0 0xc018c503 do_add_mount+0x203 (0xdfd88080, 0xdb9a6f40, 0x0, 0x0, 0xc0488623)
0xdb9a6efc 0xc018c2e9 do_new_mount+0x99 (0xdb9a6f40, 0xdb984000, 0x0, 0x0, 0xdb96e000)
0xdb9a6f8c 0xc018cb46 do_mount+0x1d6 (0xdb96e000, 0xdb9a1000, 0xdb984000, 0x0, 0xdb96b000)
0xdb9a6fbc 0xc018cd4b sys_mount+0x9b
           0xc010596b syscall_call+0x7

Greetings
-- 
Robert Sander                     Senior Manager Information Systems
Epigenomics AG    Kleine Praesidentenstr. 1    10178 Berlin, Germany
phone:+49-30-24345-330                          fax:+49-30-24345-555
http://www.epigenomics.com             rob...@ep...