Message-ID: <4A0C93BD.3000706@actusa.net>
Date:	Thu, 14 May 2009 14:57:17 -0700
From:	Stuart Sheldon <stu@...usa.net>
To:	linux-kernel@...r.kernel.org
Subject: kernel BUG at lib/radix-tree.c:485!

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Clueless Sys Admin here...

I have no idea how to trace this. But I can duplicate it pretty
easily... Here's what I have:

Kernel Version: 2.6.29.3 Vanilla with drbd-8.3.1 module built against
that source.

Systems runs heartbeat v.1 to manage drbd fallover.

Both systems run identical hardware.

Crash occurs when a system is moving from primary to standby.

Appears to crash when drbd xfs file system is unmounted.

System never responds to more then a ping after crash.

Functions flawlessly running on 2.6.28.9

Here is the "cut here" stuff:

May 14 12:50:24 drbd-2 Filesystem[6548]: INFO: Trying to unmount /data
May 14 12:50:24 drbd-2 kernel: ------------[ cut here ]------------
May 14 12:50:24 drbd-2 kernel: kernel BUG at lib/radix-tree.c:485!
May 14 12:50:24 drbd-2 kernel: invalid opcode: 0000 [#1] SMP
May 14 12:50:24 drbd-2 kernel: last sysfs file:
/sys/devices/system/cpu/cpu1/cache/index2/shared_cpu_map
May 14 12:50:24 drbd-2 kernel: CPU 1
May 14 12:50:24 drbd-2 kernel: Modules linked in: nfsd nfs lockd nfs_acl
auth_rpcgss sunrpc xfs exportfs drbd cn ipv6 sbp2 loop serio_raw psmouse
rtc_cmos pcspkr rtc_core rtc_lib i2c_i801 i2c_core iTCO_wdt intel_agp
button evdev usbhid hid ext3 jbd mbcache dm_mirror dm_region_hash dm_log
dm_snapshot dm_mod raid1 md_mod sd_mod pata_marvell pata_acpi ohci1394
ieee1394 firewire_ohci firewire_core uhci_hcd ata_piix e1000 ehci_hcd
ata_generic e1000e crc_itu_t usbcore libata scsi_mod ide_pci_generic
ide_core thermal processor fan
May 14 12:50:24 drbd-2 kernel: Pid: 6597, comm: umount Not tainted
2.6.29-3-xeon-actusa #1
May 14 12:50:24 drbd-2 kernel: RIP: 0010:[<ffffffff80311268>]
[<ffffffff80311268>] radix_tree_tag_set+0x67/0x97
May 14 12:50:24 drbd-2 kernel: RSP: 0018:ffff880211e15db8  EFLAGS: 00010246
May 14 12:50:24 drbd-2 kernel: RAX: 000000000000003a RBX:
0000000000000000 RCX: 000000000000003a
May 14 12:50:24 drbd-2 kernel: RDX: 0000000000000000 RSI:
000000000000023a RDI: ffff88021aaa1490
May 14 12:50:24 drbd-2 kernel: RBP: ffff88021814fbc0 R08:
0000000000000000 R09: ffff880218162f98
May 14 12:50:24 drbd-2 kernel: R10: 0000000000000001 R11:
0000000000000000 R12: ffff88021814fbc0
May 14 12:50:24 drbd-2 kernel: R13: ffff880219396400 R14:
ffff88021814fcb8 R15: ffff88021aaa148c
May 14 12:50:24 drbd-2 kernel: FS:  00007f019e125730(0000)
GS:ffff88021b863540(0000) knlGS:0000000000000000
May 14 12:50:24 drbd-2 kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
000000008005003b
May 14 12:50:24 drbd-2 kernel: CR2: 00007f019d7f8ca6 CR3:
00000002145ac000 CR4: 00000000000006e0
May 14 12:50:24 drbd-2 kernel: DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
May 14 12:50:24 drbd-2 kernel: DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
May 14 12:50:24 drbd-2 kernel: Process umount (pid: 6597, threadinfo
ffff880211e14000, task ffff88021940b0d0)
May 14 12:50:24 drbd-2 kernel: Stack:
May 14 12:50:24 drbd-2 kernel: ffff88021aaa1450 ffffffffa031a912
ffff88021814fd40 000000000000000f
May 14 12:50:24 drbd-2 kernel: ffff880211e15e58 0000000000000001
ffff88021814f5e0 ffffffffa030d353
May 14 12:50:24 drbd-2 kernel: ffff88021814fd50 ffff88021814fd40
ffff88021814fd50 ffffffffa0319223
May 14 12:50:24 drbd-2 kernel: Call Trace:
May 14 12:50:24 drbd-2 kernel: [<ffffffffa031a912>] ?
xfs_inode_set_reclaim_tag+0x69/0x89 [xfs]
May 14 12:50:24 drbd-2 kernel: [<ffffffffa030d353>] ?
xfs_reclaim+0x99/0x9f [xfs]
May 14 12:50:24 drbd-2 kernel: [<ffffffffa0319223>] ?
xfs_fs_destroy_inode+0x36/0x54 [xfs]
May 14 12:50:24 drbd-2 kernel: [<ffffffff802997ea>] ? dispose_list+0xcd/0xfb
May 14 12:50:24 drbd-2 kernel: [<ffffffff80299b35>] ?
invalidate_inodes+0xf3/0x111
May 14 12:50:24 drbd-2 kernel: [<ffffffff8028a81b>] ?
generic_shutdown_super+0x49/0xfd
May 14 12:50:24 drbd-2 kernel: [<ffffffff8028a8f1>] ?
kill_block_super+0x22/0x3a
May 14 12:50:24 drbd-2 kernel: [<ffffffff8028a9b4>] ?
deactivate_super+0x5f/0x78
May 14 12:50:24 drbd-2 kernel: [<ffffffff8029cfad>] ? sys_umount+0x2e5/0x314
May 14 12:50:24 drbd-2 kernel: [<ffffffff8020bedb>] ?
system_call_fastpath+0x16/0x1b
May 14 12:50:24 drbd-2 kernel: Code: 18 02 00 00 48 d3 e8 89 c1 83 e1 3f
41 0f a3 0c 11 19 c0 85 c0 75 07 49 8d 04 11 0f ab 08 48 63 c1 4d 8b 44
c0 18 4d 85 c0 75 04 <0f> 0b eb fe 41 83 eb 06 41 ff ca 45 85 d2 75 bc
4d 85 c0 74 16
May 14 12:50:24 drbd-2 kernel: RIP  [<ffffffff80311268>]
radix_tree_tag_set+0x67/0x97
May 14 12:50:24 drbd-2 kernel: RSP <ffff880211e15db8>
May 14 12:50:24 drbd-2 kernel: ---[ end trace ae7d2605c7a95f7b ]---
May 14 12:50:24 drbd-2 kernel: ------------[ cut here ]------------
May 14 12:50:24 drbd-2 kernel: WARNING: at kernel/exit.c:983
do_exit+0x3b/0x731()

How this is all the info you programmers need...

Feel free to contact me for more information.

Thanks again.

Stu

- --
For six long years I've been in trouble, no pleasure here on earth
I found. For in this world I'm bound to ramble, I have no friends
to help me now.
           -- The Soggy Bottom Boys - "I am a man of constant sorrow"
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