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<TITLE>Kernel oops with 2.6.14 kernel</TITLE>
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<P><FONT FACE="Courier New">Good morning everybody.</FONT>
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<P><FONT FACE="Courier New">I'm new in the list, so forgive me if topic is outdated.</FONT>
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<P><FONT FACE="Courier New">I'm using drbd 8.0.4 with 2.6.14 kernel from WindRiver. When I try to setup drbd (drdbadm up all) the userland tools cannot communicate with driver, as the kernel module drbd.ko generates an oops:</FONT></P>
<P><FONT FACE="Courier New">How can I verify if my kernel configuration is suitable for drbd?</FONT>
<BR><FONT FACE="Courier New">Thanks in advance,</FONT>
<BR><FONT FACE="Courier New">Maurizio</FONT>
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<P><FONT FACE="Courier">Unable to handle kernel NULL pointer dereference at virtual address 00000000</FONT>
<BR><FONT FACE="Courier"> printing eip:</FONT>
<BR><FONT FACE="Courier">f8a33860</FONT>
<BR><FONT FACE="Courier">*pde = 00000000</FONT>
<BR><FONT FACE="Courier">Oops: 0000 [#1]</FONT>
<BR><FONT FACE="Courier">SMP</FONT>
<BR><FONT FACE="Courier">LTT NESTING LEVEL : 0</FONT>
<BR><FONT FACE="Courier">Modules linked in: drbd</FONT>
<BR><FONT FACE="Courier">CPU: 1</FONT>
<BR><FONT FACE="Courier">EIP: 0060:[<f8a33860>] Not tainted VLI</FONT>
<BR><FONT FACE="Courier">EFLAGS: 00010217 (2.6.14.7-selinux1)</FONT>
<BR><FONT FACE="Courier">EIP is at drbd_nl_net_conf+0x507/0x618 [drbd]</FONT>
<BR><FONT FACE="Courier">eax: 0000003b ebx: f7d4d800 ecx: c311f100 edx: 00000000</FONT>
<BR><FONT FACE="Courier">esi: f703c4c0 edi: 00000078 ebp: f7d27f10 esp: f7d27eb4</FONT>
<BR><FONT FACE="Courier">ds: 007b es: 007b ss: 0068</FONT>
<BR><FONT FACE="Courier">Process cqueue/1 (pid: 761, threadinfo=f7d27000 task=f7cc23b0)</FONT>
<BR><FONT FACE="Courier">Stack: f7d27ee4 00000014 f8a3d422 f6c42d4c f7d27eed 00000000 00000000 00000000</FONT>
<BR><FONT FACE="Courier"> f6c42c00 00000020 f6c19694 f6c42e24 63616d68 61687328 c3002931 f7cc23b0</FONT>
<BR><FONT FACE="Courier"> f7cc24d8 fffffffb f7cc23b0 00000003 f6c19680 f6c42e24 f8a45248 f7d27f34</FONT>
<BR><FONT FACE="Courier">Call Trace:</FONT>
<BR><FONT FACE="Courier"> [<c0103fad>] show_stack+0x7a/0x90</FONT>
<BR><FONT FACE="Courier"> [<c010412b>] show_registers+0x14f/0x1c7</FONT>
<BR><FONT FACE="Courier"> [<c010516b>] die+0x11a/0x195</FONT>
<BR><FONT FACE="Courier"> [<c03a6c53>] do_page_fault+0xa77/0x360d</FONT>
<BR><FONT FACE="Courier"> [<c0103cdb>] error_code+0x4f/0x54</FONT>
<BR><FONT FACE="Courier"> [<f8a345ec>] drbd_connector_callback+0xb5/0x1b2 [drbd]</FONT>
<BR><FONT FACE="Courier"> [<c02b359c>] cn_queue_wrapper+0xc/0x23</FONT>
<BR><FONT FACE="Courier"> [<c013db0e>] worker_thread+0x197/0x219</FONT>
<BR><FONT FACE="Courier"> [<c0140d5b>] kthread+0x96/0xc3</FONT>
<BR><FONT FACE="Courier"> [<c010105d>] kernel_thread_helper+0x5/0xb</FONT>
<BR><FONT FACE="Courier">Code: f0 48 31 d2 85 c0 89 45 b4 74 0b 29 f8 83 f8 05 0f 8f db 00 00 00 81 fa 18</FONT>
<BR><FONT FACE="Courier"> fc ff ff 89 55 c0 bf 78 00 00 00 2e 0f 87 36 fb ff ff <8b> 02 66 bf 79 00 8b 40</FONT>
<BR><FONT FACE="Courier"> 28 80 78 08 02 0f 84 4a fd ff ff 8b 45</FONT>
<BR><FONT FACE="Courier"> <1></FONT>
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