Hi everyone,<br><br>I&#39;ve been trying to get DRBD up for a few hours now with no success.<br><br>My config:<br><br>global {<br>  usage-count yes;<br>}<br>common {<br>  protocol C;<br>}<br><br>resource r0 {<br>    device    /dev/drbd1;<br>



    disk      /dev/sdb1;<br>    meta-disk internal;<br>  on test1 {<br>    address   <a href="http://10.2.0.1:7789" target="_blank">10.2.0.1:7789</a>;<br>  }<br>  on test2 {<br>    address   <a href="http://10.2.0.2:7789" target="_blank">10.2.0.2:7789</a>;<br>



  }<br>}<br><br><br>Running on gentoo. I&#39;ve tried the following combinations:<br><br>Kernel 2.6.30-gentoo-r4, drbd 8.3.2<br>Kernel 2.6.31-gentoo-r6, drbd 8.3.6<br><br>Also tried installing from official source drbd tarball, and vanilla 2.6.31.6 kernel, with the same results.<br>



<br>gcc version 4.3.4<br>glibc 2.11<br><br>I&#39;m not using any strange compilation flags and don&#39;t get any warnings or errors when compiling the module or software.<br><br>Here&#39;s what I&#39;m seeing <br><br># modprobe drbd<br>



[  265.322164] drbd: initialized. Version: 8.3.6 (api:88/proto:86-91)                         <br>[  265.322166] drbd: GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@test1, 2009-11-20 03:46:09<br>[  265.322168] drbd: registered as block device major 147                                                           <br>


[  265.322170] drbd: minor_table @ 0xffff88083dbf8e00                      <br>
<br>After which I attempt to bring up the device<br><br># drbdadm up r0<br><br>[  279.930487] BUG: unable to handle kernel paging request at ffffffff9ffcc900                                      <br>[  279.939386] IP: [&lt;ffffffffa002ed02&gt;] drbd_connector_callback+0xe2/0x280 [drbd]                                   <br>


[  279.948949] PGD 1003067 PUD 1007063 PMD 0                                                                        <br>[  279.958662] Oops: 0000 [#1] SMP                                                                                  <br>


[  279.968259] last sysfs file: /sys/module/drbd/parameters/cn_idx                                                  <br>[  279.978043] CPU 3                                                                                                <br>


[  279.987524] Modules linked in: drbd                                                                              <br>[  279.997023] Pid: 612, comm: cqueue Not tainted 2.6.31.6 #2 PowerEdge R710                                        <br>


[  280.006375] RIP: 0010:[&lt;ffffffffa002ed02&gt;]  [&lt;ffffffffa002ed02&gt;] drbd_connector_callback+0xe2/0x280 [drbd]       <br>[  280.016297] RSP: 0018:ffff88083d969df0  EFLAGS: 00010293                                                         <br>


[  280.026260] RAX: 00000000ffff8808 RBX: ffff88043d4ed010 RCX: ffff88043d5ea7e0                                    <br>[  280.036517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81832b80                                    <br>


[  280.046943] RBP: ffff88083d969e30 R08: 0000000000000001 R09: ffff88083d969ba8                                    <br>[  280.057539] R10: 0000000000000008 R11: 0000000000000000 R12: fffffffffff88080                                    <br>


[  280.068594] R13: ffff88083d933170 R14: ffff88043d4ed024 R15: ffff88043d546000                                    <br>[  280.079121] FS:  0000000000000000(0000) GS:ffffc90000600000(0000) knlGS:0000000000000000                         <br>


[  280.089629] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b                                                    <br>[  280.100209] CR2: ffffffff9ffcc900 CR3: 000000083e561000 CR4: 00000000000006e0                                    <br>


[  280.110820] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000                                    <br>[  280.121171] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400                                    <br>


[  280.131523] Process cqueue (pid: 612, threadinfo ffff88083d968000, task ffff88083d933170)                        <br>[  280.142246] Stack:                                                                                               <br>


[  280.152869]  ffff88083d969e30 ffffffff814ece24 000000005544e207 ffff88083c5d3680                                 <br>[  280.153330] &lt;0&gt; ffff88083c5d3690 ffff88083d933170 ffffc90000018e40 ffffffff813788d0                              <br>


[  280.164644] &lt;0&gt; ffff88083d969e60 ffffffff81378902 000000005544e207 ffffc90000018e40                              <br>[  280.187044] Call Trace:                                                                                          <br>


[  280.198552]  [&lt;ffffffff814ece24&gt;] ? kfree_skb+0x74/0xb0                                                          <br>[  280.210210]  [&lt;ffffffff813788d0&gt;] ? cn_queue_wrapper+0x0/0x70                                                    <br>


[  280.221911]  [&lt;ffffffff81378902&gt;] cn_queue_wrapper+0x32/0x70                                                     <br>[  280.233665]  [&lt;ffffffff81069cb2&gt;] worker_thread+0x182/0x270                                                      <br>


[  280.245632]  [&lt;ffffffff810702f0&gt;] ? autoremove_wake_function+0x0/0x60                                            <br>[  280.257626]  [&lt;ffffffff81069b30&gt;] ? worker_thread+0x0/0x270                                                      <br>


[  280.269738]  [&lt;ffffffff8106fdc6&gt;] kthread+0xb6/0xc0                                                              <br>[  280.281777]  [&lt;ffffffff8100c97a&gt;] child_rip+0xa/0x20                                                             <br>


[  280.293677]  [&lt;ffffffff8106fd10&gt;] ? kthread+0x0/0xc0                                                             <br>[  280.305606]  [&lt;ffffffff8100c970&gt;] ? child_rip+0x0/0x20                                                           <br>


[  280.317462] Code: 00 00 49 89 c7 48 85 c0 74 a5 8b 35 21 5e 01 00 85 f6 0f 85 46 01 00 00 8b 43 14 83 f8 1a 0f 8f fd 00 00 00 4c 63 e0 49 c1 e4 04 &lt;49&gt; 83 bc 24 80 48 04 a0 00 0f 84 e7 00 00 00 41 8b bc 24 88 48                                                                                                                                                                                                <br>


[  280.343452] RIP  [&lt;ffffffffa002ed02&gt;] drbd_connector_callback+0xe2/0x280 [drbd]                                                                                                                         <br>[  280.356357]  RSP &lt;ffff88083d969df0&gt;                                                                                                                                                                     <br>


[  280.369148] CR2: ffffffff9ffcc900                                                                                                                                                                       <br>[  280.381970] ---[ end trace 6465e891e665cb33 ]---                       <br>


<br># cat /proc/drbd<br>version: 8.3.6 (api:88/proto:86-91)<br>GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@test1, 2009-11-20 03:46:09<br><br> 1: cs:Unconfigured<br><br>I&#39;ve got a couple nics (broadcom netxtreme II with CNIC support enabled) back-to-back on a bonded interface (if that matters), although I get same results if I just use one interface instead of two. The server is an 8 proc box (x86-64) with 32 gigs of ram (dell poweredge r710). <br>



<br>Anyone have some tips on how to go about troubleshooting this? Kernel options to avoid/use? Known working kernel/drbd version combos?<br><br>Thanks,<br><br>Mark Steele<br>Director of development<br>Bering Media Inc.<br>