[DRBD-user] drbd 0.8pre5 and pre6 segfault under Xen 3.0.2 domU ...

Sébastien CRAMATTE s.cramatte at wanadoo.fr
Sun Nov 5 13:09:18 CET 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi,

I've tried to setup  drbd 0.8pre5 and pre6 segfault under Xen 3.0.2 domU
debian sarge 3.1 ...
I've backported the package from  debian Unstable

When I do a simple modprobe  And I obtain  a segfault ...
----------------
....
/etc/drbd.conf:51: in resource r0, on mail { ... } ... on mail2 { ... }:
        There are multiple host sections for the peer.
        Maybe misspelled local host name 'mail2.telelorca.com'?
Starting DRBD resources:    /etc/drbd.conf:51: in resource r0, on mail {
... } ... on mail2 { ... }:
        There are multiple host sections for the peer.
        Maybe misspelled local host name 'mail2.telelorca.com'?
Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
4d8dd167
*pde = ma 00000000 pa fffff000
Oops: 0002 [#1]
SMP
Modules linked in: drbd md5 ipv6
CPU:    0
EIP:    0061:[<4d8dd167>]    Not tainted VLI
EFLAGS: 00010202   (2.6.16.19-xen #1)
EIP is at cn_queue_add_callback+0x3e/0xec [drbd]
eax: fffffff4   ebx: 4d8ed7e4   ecx: 4119ace0   edx: 00000000
esi: 08050a38   edi: 4c796380   ebp: 00000000   esp: 48d4df2c
ds: 007b   es: 007b   ss: 0069
Process modprobe (pid: 1161, threadinfo=48d4c000 task=40542540)
Stack: <0>4d8e6de5 4d8ed7e4 4d8dc3cf 00000000 00000000 4d8ed7e4 08050a38
37f42340
       48d4c000 4d8dcd2c 00000000 4d8e6de5 4d8ed7e4 4d8dc3cf 4d8ed900
4d838207
       4d8ed7e4 4d8e6de5 4d8dc3cf 4d8ed900 4d83802c 4d8ed900 4012fa6f
40560580
Call Trace:
 [<4d8dc3cf>] drbd_connector_callback+0x0/0x192 [drbd]
 [<4d8dcd2c>] cn_add_callback+0x2c/0x4c [drbd]
 [<4d8dc3cf>] drbd_connector_callback+0x0/0x192 [drbd]
 [<4d838207>] drbd_nl_init+0x23/0x43 [drbd]
 [<4d8dc3cf>] drbd_connector_callback+0x0/0x192 [drbd]
 [<4d83802c>] init_module+0x2c/0x1e4 [drbd]
 [<4012fa6f>] kthread_stop+0x17/0x1b
 [<401375ff>] sys_init_module+0x14c/0x1e2
 [<40104d15>] syscall_call+0x7/0xb
Code: 00 00 00 00 89 44 24 08 8b 44 24 30 89 44 24 04 8b 44 24 2c 89 04
24 e8 ca fe ff ff 89 c7 b8 f4 ff ff ff 85 ff 0f 84 89 00 00 00 <f0> ff
45 00 8d 55 30 89 6f 3c 89 d0 89 54 24 0c e8 a9 d9 a5 f2
 /etc/rc2.d/S70drbd: line 139:  1161 Segmentation fault      $MODPROBE
-s drbd `$DRBDADM sh-mod-parms` $ADD_MOD_PARAM
Can not load the drbd module.
...
--------------------------

I've taken the drbd0.8 conf from this site
http://guialivre.governoeletronico.gov.br/mediawiki/index.php/DocumentacaoTecnologiasDRBDOCFS2#Configura.C3.A7.C3.A3o_3

What can I provide to help into debug ?
Regards

Sébastien









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