[DRBD-user] oops on 2.6.5-rc3-bk2 + drbd-0.7-cvs

Andreas Schultz aschultz at tpip.net
Mon Apr 5 16:22:19 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.


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Hi,

When attempting to start a drbd device on 2.6.5-rc3-bk2, i get the following oops:

Apr  5 16:12:50 sdev01 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Apr  5 16:12:50 sdev01 kernel:  printing eip:
Apr  5 16:12:50 sdev01 kernel: c01fcf46
Apr  5 16:12:50 sdev01 kernel: *pde = 00000000
Apr  5 16:12:50 sdev01 kernel: Oops: 0002 [#1]
Apr  5 16:12:50 sdev01 kernel: PREEMPT SMP
Apr  5 16:12:50 sdev01 kernel: CPU:    0
Apr  5 16:12:51 sdev01 kernel: EIP:    0060:[blk_run_queue+38/128]    Not tainted
Apr  5 16:12:51 sdev01 kernel: EFLAGS: 00010002   (2.6.5-rc3-bk2-vs0.09.29)
Apr  5 16:12:51 sdev01 kernel: EIP is at blk_run_queue+0x26/0x80
Apr  5 16:12:51 sdev01 kernel: eax: 00000000   ebx: f3f74000   ecx: 00000000   edx: 00000001
Apr  5 16:12:51 sdev01 kernel: esi: f7827a00   edi: 00000292   ebp: f3f75df8   esp: f3f75dec
Apr  5 16:12:55 sdev01 kernel: ds: 007b   es: 007b   ss: 0068
Apr  5 16:13:02 sdev01 kernel: Process drbdsetup (pid: 1952, threadinfo=f3f74000 task=f77d2c40)
Apr  5 16:13:02 sdev01 kernel: Stack: f3fb2000 f3f75e00 00000000 f3f75e6c f8c7a302 00000000 00000001 f3f75e08
Apr  5 16:13:02 sdev01 kernel:        f3f75e08 c181f100 00000200 00000000 40157000 007c0000 00000000 f77bdac0
Apr  5 16:13:02 sdev01 kernel:        00000001 00000000 00000001 00000000 00000200 00000000 f3f75e10 f8c73a10
Apr  5 16:13:02 sdev01 kernel: Call Trace:
Apr  5 16:13:02 sdev01 kernel:  [__crc_pm_idle+3581059/5541136] drbd_md_sync_page_io+0x92/0xb0 [drbd]
Apr  5 16:13:02 sdev01 kernel:  [__crc_pm_idle+3554193/5541136] drbd_md_io_complete+0x0/0x20 [drbd]
Apr  5 16:13:02 sdev01 kernel:  [__crc_pm_idle+3551055/5541136] drbd_md_read+0x8e/0x310 [drbd]
Apr  5 16:13:02 sdev01 kernel:  [link_path_walk+1690/2592] link_path_walk+0x69a/0xa20
Apr  5 16:13:02 sdev01 kernel:  [__crc_pm_idle+3533043/5541136] drbd_ioctl_set_disk+0x3b2/0x630 [drbd]
Apr  5 16:13:02 sdev01 kernel:  [get_disk+97/192] get_disk+0x61/0xc0
Apr  5 16:13:02 sdev01 kernel:  [cp_new_stat64+265/288] cp_new_stat64+0x109/0x120
Apr  5 16:13:02 sdev01 kernel:  [__crc_pm_idle+3538186/5541136] drbd_ioctl+0x8a9/0x8b8 [drbd]
Apr  5 16:13:02 sdev01 kernel:  [blkdev_ioctl+117/943] blkdev_ioctl+0x75/0x3af
Apr  5 16:13:02 sdev01 kernel:  [sys_ioctl+285/752] sys_ioctl+0x11d/0x2f0
Apr  5 16:13:02 sdev01 kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
Apr  5 16:13:02 sdev01 kernel:
Apr  5 16:13:02 sdev01 kernel: Code: f0 fe 08 0f 88 ef 25 00 00 89 f0 e8 ea fd ff ff 89 f0 ff 96
Apr  5 16:13:02 sdev01 kernel:  <6>note: drbdsetup[1952] exited with preempt_count 2

Any ideas?

Andreas
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