[DRBD-user] SLES9 .244 drbd 8.2.0 kernel oops

Andre Konopka andre.konopka at presse-data.de
Mon Oct 29 15:30:49 CET 2007

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


Florian Haas wrote:
> Andre,
> 
> just making sure: you changed your drbd.conf on both servers, rebooted both 
> servers, and _after_ both servers came back up, you attempted another 
> disconnect and got a kernel oops from that? 
> 
> If yes, please post the relevant lines from your most recent kernel log again 
> (from both servers).
> 
I only tried it on the first server....on the second one drbd was unloaded.
I did the same test with 0.8.6 (only one node aktiv). No trouble
at all.


Andre

Oct 29 14:39:43 pdxrs001 kernel: floppy0: no floppy controllers found
Oct 29 14:40:57 pdxrs001 kernel: drbd0: Discarding network configuration.
Oct 29 14:40:57 pdxrs001 kernel: drbd0: tl_clear()
Oct 29 14:40:57 pdxrs001 kernel: drbd1: Discarding network configuration.
Oct 29 14:40:57 pdxrs001 kernel: drbd1: tl_clear()
Oct 29 14:40:57 pdxrs001 kernel: Unable to handle kernel NULL pointer 
dereference at 0000000000000000 RIP:
Oct 29 14:40:57 pdxrs001 kernel: 
<ffffffffa0234877>{:drbd:drbd_disconnect+1335}
Oct 29 14:40:57 pdxrs001 kernel: PML4 35e1b067 PGD 38862067 PMD 0
Oct 29 14:40:57 pdxrs001 kernel: Oops: 0000 [1] SMP
Oct 29 14:40:57 pdxrs001 kernel: CPU 1
Oct 29 14:40:57 pdxrs001 kernel: Pid: 7390, comm: drbd1_receiver 
Tainted: G   U   (2.6.5-7.244-smp )
Oct 29 14:40:57 pdxrs001 kernel: RIP: 0010:[<ffffffffa0234877>] 
<ffffffffa0234877>{:drbd:drbd_disconnect+1335}
Oct 29 14:40:57 pdxrs001 kernel: RSP: 0018:000001003425de38  EFLAGS: 
00010212
Oct 29 14:40:57 pdxrs001 kernel: RAX: 0000000000000001 RBX: 
0000000000000000 RCX: 000001000000c000
Oct 29 14:40:57 pdxrs001 kernel: RDX: 00000000001a7faf RSI: 
00000000000078ba RDI: 000001003fe51080
Oct 29 14:40:57 pdxrs001 kernel: RBP: 0000010035be9000 R08: 
0000000000000036 R09: 0000000000000000
Oct 29 14:40:57 pdxrs001 kernel: R10: 00000000ffffffff R11: 
0000000000000000 R12: 000000000000d012
Oct 29 14:40:57 pdxrs001 kernel: R13: 0000010035be9330 R14: 
0000010035be9528 R15: 0000010035be94f8
Oct 29 14:40:57 pdxrs001 kernel: FS:  0000000000000000(0000) 
GS:ffffffff8057cc00(0000) knlGS:0000000000000000
Oct 29 14:40:57 pdxrs001 kernel: CS:  0010 DS: 0018 ES: 0018 CR0: 
000000008005003b
Oct 29 14:40:57 pdxrs001 kernel: CR2: 0000000000000000 CR3: 
000000003fc04000 CR4: 00000000000006e0
Oct 29 14:40:57 pdxrs001 kernel: Process drbd1_receiver (pid: 7390, 
threadinfo 000001003425c000, task 000001003cccd3c0)
Oct 29 14:40:57 pdxrs001 kernel: Stack: 000001003425de48 
0000010035be9508 0000000000000000 0000000000000206
Oct 29 14:40:57 pdxrs001 kernel:        0000000000000000 
000001003cccd3c0 ffffffff8013d3e0 000001003425dea0
Oct 29 14:40:57 pdxrs001 kernel:        000001003425dea0 00000100348216d0
Oct 29 14:40:57 pdxrs001 kernel: Call 
Trace:<ffffffff8013d3e0>{autoremove_wake_function+0} 
<ffffffff8013d3e0>{autoremove_wake_function+0}
Oct 29 14:40:57 pdxrs001 kernel: 
<ffffffffa022d950>{:drbd:w_prev_work_done+0} 
<ffffffffa0234aa8>{:drbd:drbdd_init+232}
Oct 29 14:40:57 pdxrs001 kernel: 
<ffffffffa02410f7>{:drbd:drbd_thread_setup+151} 
<ffffffff801111b7>{child_rip+8}
Oct 29 14:40:57 pdxrs001 kernel: 
<ffffffffa0241060>{:drbd:drbd_thread_setup+0} 
<ffffffff801111af>{child_rip+0}
Oct 29 14:40:57 pdxrs001 kernel:
Oct 29 14:40:57 pdxrs001 kernel:
Oct 29 14:40:57 pdxrs001 kernel: Code: 48 8b 3b e8 c1 7f ff df 48 89 df 
e8 79 98 f3 df 48 8b 7d 08
Oct 29 14:40:57 pdxrs001 kernel: RIP 
<ffffffffa0234877>{:drbd:drbd_disconnect+1335} RSP <000001003425de38>
Oct 29 14:40:57 pdxrs001 kernel: CR2: 0000000000000000
O

> Thanks,
> Florian
> 
> On Monday 29 October 2007 13:10:52 Andre Konopka wrote:
>> Florian Haas wrote:
>>> Andre,
>>>
>>> known issue. Configure a valid cram-hmac-alg and use a shared secret.
>>> Will be fixed in 8.2.1.
>> Hi Florian,
>>
>> thanks for fast response
>>
>> I changed my drbd.conf
>>
>>   net     { timeout 60; connect-int 10; ping-int 10;
>>              max-buffers 2048; max-epoch-size 2048;
>>              cram-hmac-alg sha1; shared-secret "blah";
>>
>> rebootet the server and nevertheless I got a kernel oops
>>
>> Andre
> 


-- 
Mit freundlichen Grüßen


Andre Konopka
Media-Anwendungen

RB Presse-Data GmbH
40196 Düsseldorf
Hausadresse:
Zülpicher Str. 8a                         Tel:  0211 / 5697- 379
40549 Düsseldorf                           Fax: 0211 / 5697- 352
E-Mail: Andre.Konopka at Presse-Data.de

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Sitz Düsseldorf - Amtsgericht Düsseldorf HRB 1944



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