From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mr1.dcs.gla.ac.uk (mr1.dcs.gla.ac.uk [130.209.249.184]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.linbit.com (LINBIT Mail Daemon) with ESMTP id B28952D9D69F for ; Tue, 12 Dec 2006 19:56:10 +0100 (CET) Received: from paraoa.dcs.gla.ac.uk ([130.209.253.109]:34586) by mr1.dcs.gla.ac.uk with esmtpa (Exim 4.42) id 1GuCnR-0006Jk-Cv for drbd-dev@lists.linbit.com; Tue, 12 Dec 2006 18:56:09 +0000 Message-ID: <457EFB5D.2080500@dcs.gla.ac.uk> Date: Tue, 12 Dec 2006 18:56:29 +0000 From: Cristian Zamfir MIME-Version: 1.0 To: drbd-dev@lists.linbit.com Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Drbd-dev] modprobe error List-Id: Coordination of development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I just tried drbd8.0pre6 with the 2.6.16.29 xen kernel. Compilation goes without errors: make clean all, make tools, make install ... However, I am getting this oops when doing "modprobe drbd": Can you please tell help me find out why is this happening? Thank you. [ 188.728070] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 188.728253] printing eip: [ 188.728323] d126a47b [ 188.728394] *pde = ma 00000000 pa fffff000 [ 188.728467] Oops: 0002 [#1] [ 188.728537] Modules linked in: drbd intel_agp agpgart [ 188.728842] CPU: 0 [ 188.728843] EIP: 0061:[] Not tainted VLI [ 188.728844] EFLAGS: 00010286 (2.6.16.29-xen0 #5) [ 188.729072] EIP is at cn_queue_add_callback+0x3b/0xf0 [drbd] [ 188.729146] eax: fffffff4 ebx: d127b524 ecx: d1274c03 edx: 00000000 [ 188.729222] esi: 0806f9d0 edi: ced77200 ebp: c869bf2c esp: c869bf10 [ 188.729296] ds: 007b es: 007b ss: 0069 [ 188.729368] Process modprobe (pid: 3882, threadinfo=c869a000 task=c9a8a070) [ 188.729434] Stack: <0>d1274a82 d127b524 d12695d0 00000000 d127b524 0806f9d0 4014d340 c869bf48 [ 188.730160] d1269ffb 00000000 d1274a82 d127b524 d12695d0 d127b600 c869bf60 d127d207 [ 188.730820] d127b524 d1274a82 d12695d0 d127b600 c869bf98 d127d028 00000000 00000000 [ 188.731480] Call Trace: [ 188.731607] [] show_stack_log_lvl+0xaa/0xe0 [ 188.731857] [] show_registers+0x18e/0x1f0 [ 188.732103] [] die+0xd9/0x180 [ 188.732347] [] do_page_fault+0x301/0x6cb [ 188.732595] [] error_code+0x2b/0x30 [ 188.732840] [] cn_add_callback+0x2b/0x50 [drbd] [ 188.733094] [] drbd_nl_init+0x27/0x50 [drbd] [ 188.733346] [] init_module+0x28/0x1e0 [drbd] [ 188.733598] [] sys_init_module+0x135/0x1b0 [ 188.733845] [] syscall_call+0x7/0xb [ 188.734090] Code: 00 00 00 89 44 24 08 8b 45 10 89 44 24 04 8b 45 0c 89 04 24 e8 b7 fe ff ff 89 c7 85 ff b8 f4 ff ff ff 0f 84 88 00 00 00 8b 55 08 02 89 57 3c b8 00 e0 ff ff 21 e0 81 40 14 00 01 00 00 8b 5a [ 188.737941] Thank you Cristian