[DRBD-user] Kernel Oops: 0002 again after reboot...

Dan Didier dan at mapolce.com
Tue Aug 31 19:33:38 CEST 2004

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

I am really at a loss here.

After rebooting, I loaded drbd:  insmode drbd.o
Then I checked my /proc/drbd
Everything looked good
Then drbdadm up all

Then on the secondary system I did the same

And BAM!  Same problem again.  Why wouldn't this work after rebooting??
Guys, this is painful :(

drbd0: resync bitmap: bits=12015974 words=375500
drbd0: size = 48063896 KB
drbd0: 44148120 KB marked out-of-sync by on disk bit-map.
drbd0: No usable activity log found.
drbd0: Marked additional 0 KB as out-of-sync based on AL.
drbd0: drbdsetup [1526]: cstate Unconfigured --> StandAlone
drbd0: drbdsetup [1528]: cstate StandAlone --> Unconnected
drbd0: drbd0_receiver [1529]: cstate Unconnected --> WFConnection
drbd0: Secondary/Unknown --> Primary/Unknown
drbd0: drbd0_receiver [1529]: cstate WFConnection --> WFReportParams
drbd0: Handshake successful: DRBD Network Protocol version 74
drbd0: Connection established.
drbd0: I am(P): 1:00000002:00000001:00000006:00000002:10
drbd0: Peer(S): 0:00000002:00000001:00000005:00000001:01
drbd0: drbd0_receiver [1529]: cstate WFReportParams --> WFBitMapS
drbd0: Primary/Unknown --> Primary/Secondary
drbd0: drbd0_receiver [1529]: cstate WFBitMapS --> SyncSource
drbd0: Resync started as SyncSource (need to sync 44148120 KB [11037030
bits set]).
Unable to handle kernel NULL pointer dereference at virtual address
 printing eip:
*pde = 00000000
Oops: 0002
drbd 3c2000 parport_pc lp parport autofs e1000 ide-cd cdrom st keybdev
mousedev hid input usb-ohci usbcore ext3 jbd megaraid aic7xxx sd_mod
CPU:    0
EIP:    0060:[<c022dc99>]    Not tainted
EFLAGS: 00010293

EIP is at do_tcp_sendpages [kernel] 0x4e9 (2.4.20-8smp)
eax: 00000000   ebx: f6e62180   ecx: 00000298   edx: 00000000
esi: 00000002   edi: f71011b8   ebp: f6c9f980   esp: f6d09e84
ds: 0068   es: 0068   ss: 0068
Process drbd0_worker (pid: 1527, stackpage=f6d09000)
Stack: f6d09ef4 00000018 00000000 c02051d8 f6c9f994 f6d09ef4 00000018
       00000000 00000000 00001000 00000000 000005a8 0000012c f7101080
       f6d08000 00001000 c022e1cb f7101080 f6d09efc fe1ef000 00001000
Call Trace:   [<c02051d8>] sock_sendmsg [kernel] 0x78 (0xf6d09e90))
[<c022e1cb>] tcp_sendpage [kernel] 0xcb (0xf6d09ecc))
[<f8a58c47>] _drbd_send_page [drbd] 0x107 (0xf6d09ef4))
[<f8a5925b>] drbd_send_block [drbd] 0x15b (0xf6d09f24))
[<f8a4ba54>] w_e_end_rsdata_req [drbd] 0x64 (0xf6d09f74))
[<f8a4c882>] drbd_worker [drbd] 0x112 (0xf6d09f98))
[<f8a57b78>] drbd_thread_setup [drbd] 0x78 (0xf6d09fd0))
[<f8a57b00>] drbd_thread_setup [drbd] 0x0 (0xf6d09fe4))
[<c010759d>] kernel_thread_helper [kernel] 0x5 (0xf6d09ff0))

Code: f0 ff 42 14 8b 83 88 00 00 00 8b 6c 24 24 8d 04 f0 89 68 0c

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