[DRBD-user] drbd consistently crashes during WFConnect

Langley, Alex alex.langley at savvis.net
Tue Mar 4 21:02:16 CET 2008

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


Both servers HP DL380 G3, Fedora Core 6, Kernel 2.6.22


global {
    usage-count no;

common {
  syncer { rate 1M; }

resource drive2 {
        protocol C;
        startup { 
                wfc-timeout 60; 
                degr-wfc-timeout 60; 
        disk { 
                on-io-error detach; 
        net {
                max-buffers 2048;
                ko-count 4;
                after-sb-0pri disconnect;
                rr-conflict disconnect;
        #        #cram-hmac-alg sha1;
        #        #shared-secret "WorldWarIFlyingAce";
        on wamperf1 { #PRIMARY
                device  /dev/drdb0;
                disk    /dev/cciss/c0d0p5;
                meta-disk /dev/cciss/c0d0p6[0];
        on wamperf2 { #SECONDARY
                device  /dev/drbd0;
                disk    /dev/cciss/c0d0p5;
                meta-disk /dev/cciss/c0d0p6[0];
The following shows up on the console of the primary a few seconds after
bringing drbd up and making it primary

drbd: no version for "struct_module" found: kernel tainted.
drbd0: No usable activity log found.
drbd0: Barriers not supported on meta data device - disabling
BUG: unable to handle kernel NULL pointer dereference at virtual address
 printing eip:
*pde = 3d5a1067
Oops: 0002 [#1]
last sysfs file: /block/drbd0/range
Modules linked in: drbd(F)(U) ipv6 autofs4 sunrpc dm_mirror dm_mod video
sbs button dock battery ac parport_pc lp parport floppy scb2_flash mtd
chipreg map_funcs cpqphp i2c_piix4 i2c_core tg3 serio_raw ide_cd cdrom
cciss sd_mod scsi_mod ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd
CPU:    0
EIP:    0060:[<c062e172>]    Tainted: GF      VLI
EFLAGS: 00010046   ( #1)
EIP is at __sched_text_start+0x472/0x6ec
eax: 00000002   ebx: 00000000   ecx: c1809a80   edx: 00001558
esi: f7df19a0   edi: f5525200   ebp: f552ef40   esp: f552eed8
ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
Process drbd_thread (pid: 2187, ti=f552e000 task=f7df1800
Stack: 00000000 07270e00 00000000 c1809ad0 f552e000 06f0a9b0 000001ef
       f7df19a0 c1809a80 00000000 00000002 f552ef80 f7df19b0 f552ef80
       c04ecf36 00001558 00000000 f7df1800 00000246 f53a51f4 f53a5000
Call Trace:
 [<c04ecf36>] vsnprintf+0x458/0x494
 [<c0425493>] __cond_resched+0x25/0x3c
 [<c062e452>] cond_resched+0x26/0x31
 [<f8b288d8>] drbd_send_cmd+0x54/0xcd [drbd]
 [<f8b2aa62>] drbd_thread_setup+0x0/0x14e [drbd]
 [<f8b1b8ed>] drbd_asender+0x9b/0x58f [drbd]
 [<c0421f3b>] complete+0x39/0x48
 [<f8b2aa62>] drbd_thread_setup+0x0/0x14e [drbd]
 [<f8b2aaff>] drbd_thread_setup+0x9d/0x14e [drbd]
 [<f8b2aa62>] drbd_thread_setup+0x0/0x14e [drbd]
 [<c0405b6b>] kernel_thread_helper+0x7/0x10
Code: 83 51 4c 00 89 b9 d0 03 00 00 8b 75 b8 ff 06 8b 45 b4 8b 9f 14 01
00 00 8b 80 18 01 00 00 85 db 89 45 c4 75 32 89 87 18 01 00 00 <f0> ff
40 30 64 a1 08 30 7a c0 ba 80 50 7a c0 03 14 85 80 cc 75 
EIP: [<c062e172>] __sched_text_start+0x472/0x6ec SS:ESP 0068:f552eed8

Any help would be appreciated.


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