[Xen-users] XEN & DRBD

["gelpi@xxxxxxxxx" <corona@xxxxxxxx>]

Hi,
        I'm trying to have drbd running on xen.
I was able to have it working under dom0 but not under domU.

This is the sequence of commands I use on a debian sarge (stable) to 
have drbd working on dom0:
0) Install xen from binaries

1) Download xen-2.0.7-src.tgz
2) untar it
3) make kernels
5) apt-get install drbd0.7-module-source
6) untar drbd
7) make KDIR=~/xen-2.0/linux-2.6.11-xen0
8) make install
9) reboot

Now drbd seems to work under dom0. (modprobe drbd is ok).

For domU I have change 7 with:

7) make KDIR=~/xen-2.0/linux-2.6.11-xenU

Before booting domU I copied /lib/modules/2.6.11-xenU in /lib/modules of 
domU
But after booting domU when I try drbd I get:

test2:~# modprobe drbd
general protection fault: 0000 [#1]
PREEMPT
Modules linked in: drbd
CPU:    0
EIP:    0061:[<d08bb500>]    Not tainted VLI
EFLAGS: 00010286   (2.6.11.12-xenU)
EIP is at _drbd_alloc_ee+0x80/0xe0 [drbd]
eax: c11e7da0   ebx: cf3e16c4   ecx: 00000000   edx: fbffc000
esi: cf3e1718   edi: cf3e1724   ebp: cf3e16b8   esp: cf399f28
ds: 007b   es: 007b   ss: 0069
Process modprobe (pid: 7082, threadinfo=cf398000 task=cf34c0a0)
Stack: cf3e16c4 000000d0 c11e7da0 00000000 cf3ba000 00000000 d08bb5a1 
cf3ba000
       c11e7da0 000000d0 cf3ba000 d08bb6e2 cf3ba000 000000d0 000000d0 
c11e78a0
              d08d731b cf3ba000 00000018 cf3ba000 00000001 000009a0 
00000000 0000001e
      Call Trace:
       [<d08bb5a1>] drbd_alloc_ee+0x41/0x70 [drbd]
       [<d08bb6e2>] drbd_init_ee+0x32/0x70 [drbd]
       [<d08d731b>] init_module+0x31b/0x480 [drbd]
       [<c0132af3>] sys_init_module+0x183/0x240
       [<c0109258>] syscall_call+0x7/0xb
       Code: 45 60 c7 43 1c 00 10 00 00 66 c7 43 14 01 00 c7 43 28 01 
00 00 00 c7 46 08 00 00 00 00 c7 45 4c 00 00 00 00 c745 50 00 00 00 00 
<fa> b8 00 e0c 8b 4c 24 1c 8b 93
    Segmentation fault

Ideas?

Andrea Gelpi

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