[DRBD-user] Re: kernel oops when modprobe drbd

Lars Ellenberg lars.ellenberg at linbit.com
Mon Jul 16 13:03:42 CEST 2007

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


On Wed, Jul 04, 2007 at 06:21:51PM +0200, Cyril SCETBON wrote:
> Hi people,
> 
> I've installed drbd source on debian etch et compiled it with my kernel 
> 2.6.18.

official debian, or your own build?

> When I modprobe drbd I get :
> 
> BUG: unable to handle kernel NULL pointer dereference at virtual address 
> 00000000
> printing eip:
> f88e4b53
> *pde = 37d34001
> *pte = 00000000
> Oops: 0002 [#1]
> SMP
> Modules linked in: drbd
> CPU:    3
> EIP:    0060:[<f88e4b53>]    Not tainted VLI
> EFLAGS: 00010286   (2.6.18 #1)
> EIP is at cn_queue_add_callback+0x8e/0x146 [drbd]
> eax: 00000000   ebx: f88ec3d0   ecx: 0290c300   edx: f7c74000
> esi: f74c1180   edi: f74c1208   ebp: f88f26d4   esp: f7289e78
> ds: 007b   es: 007b   ss: 0068
> Process modprobe (pid: 2670, ti=f7288000 task=f7d0e550 task.ti=f7288000)
> Stack: f74c11c0 00000020 f88ec608 f88ec3d0 00000001 00000000 f88f2800 
> f88f26d4
>      f7af2c40 0000001d f88e468b f88e2c41 f88f2800 f7af2800 f88061ce 
> c04ed04c
>      f88f2800 f880601e 0000001d c0126925 f88f2800 f88f2800 f7af2c40 
> c013345f
> Call Trace:
> [<f88e468b>] cn_add_callback+0x16/0x2d [drbd]

strange.  cannot reproduce.
probably your drbd module config and kernel config do not match good
enough.  you still have this problem?

-- 
: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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