System panicked in select_fallback_rq+0x50 due to stack overflow in XFS
Issue
System panicked in select_fallback_rq():
BUG: unable to handle kernel paging request at fffffffde847dca0
IP: [<ffffffff81055750>] select_fallback_rq+0x50/0x100
PGD 1a87067 PUD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/system/cpu/cpu31/cache/index2/shared_cpu_map
CPU 5
Modules linked in: iptable_filter ip_tables xt_iprange bridge stp llc autofs4 nfs lockd fscache nfs_acl auth_rpcgss sunrpc bonding ipv6 xfs exportfs ext2 emcpvlumd(P)(U) emcpxcrypt(P)(U) emcpdm(P)(U) emcpgpx(P)(U) emcpmpx(P)(U) emcp(P)(U) uinput dcdbas microcode power_meter sb_edac edac_core iTCO_wdt iTCO_vendor_support shpchp sg ixgbe mdio igb dca ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif ahci qla2xxx scsi_transport_fc scsi_tgt megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: ip_tables]
Pid: 8773, comm: xfslogd/5 Tainted: P W ---------------- 2.6.32-220.el6.x86_64 #1 Dell Inc. PowerEdge R820/04K5X5
RIP: 0010:[<ffffffff81055750>] [<ffffffff81055750>] select_fallback_rq+0x50/0x100
RSP: 0018:ffff885f35b5f9e0 EFLAGS: 00010082
RAX: ffffffffcccccccc RBX: 00000000ffffffff RCX: 0000000000000010
RDX: ffffffff81c08000 RSI: ffff885e7e2a4080 RDI: 0000000000000082
RBP: ffff885f35b5fa20 R08: ffff8801c531aee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81c00880
R13: ffff885e7e2a42a0 R14: 0000000000000005 R15: ffff885e7e2a4080
FS: 0000000000000000(0000) GS:ffff8801ad0a0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: fffffffde847dca0 CR3: 0000005db6e78000 CR4: 00000000000406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process xfslogd/5 (pid: 8773, threadinfo ffff885f35b5e000, task ffff885f3bfd40c0)
Stack:
0000000000000000 0000008200000001 ffff885f35b5fa20 ffff885e7e2a4080
<0> ffffffff81c1dfc0 0000000000000000 0000000000000005 0000000000000082
<0> ffff885f35b5fa90 ffffffff8105f9e9 ffff885f35b5fac0 000000008100bc0e
Call Trace:
[<ffffffff8105f9e9>] try_to_wake_up+0x399/0x400
[<ffffffff8105faa5>] wake_up_process+0x15/0x20
[<ffffffff814ee67a>] __up+0x2a/0x40
[<ffffffff81096962>] up+0x42/0x50
[<ffffffffa05d3cc2>] xfs_buf_unlock+0x32/0x90 [xfs]
[<ffffffffa059defa>] xfs_buf_item_unpin+0xca/0x1a0 [xfs]
[<ffffffffa05c9fa0>] ? xfs_trans_committed_bulk+0x1d0/0x240 [xfs]
[<ffffffffa05c9fa0>] xfs_trans_committed_bulk+0x1d0/0x240 [xfs]
[<ffffffffa05be122>] xlog_cil_committed+0x32/0xc0 [xfs]
[<ffffffffa05b9fdd>] xlog_state_do_callback+0x12d/0x2b0 [xfs]
[<ffffffffa05ba1de>] xlog_state_done_syncing+0x7e/0xb0 [xfs]
[<ffffffffa05ba88c>] xlog_iodone+0x5c/0xc0 [xfs]
[<ffffffffa05d5710>] ? xfs_buf_iodone_work+0x0/0x50 [xfs]
[<ffffffffa05d5736>] xfs_buf_iodone_work+0x26/0x50 [xfs]
[<ffffffff8108b2b0>] worker_thread+0x170/0x2a0
[<ffffffff81090bf0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff8108b140>] ? worker_thread+0x0/0x2a0
[<ffffffff81090886>] kthread+0x96/0xa0
[<ffffffff8100c14a>] child_rip+0xa/0x20
[<ffffffff810907f0>] ? kthread+0x0/0xa0
[<ffffffff8100c140>] ? child_rip+0x0/0x20
Code: f4 00 00 4c 8b 25 29 e6 5b 00 bb ff ff ff ff 48 63 d7 89 7d cc 4c 8d ae 20 02 00 00 48 8b 14 d5 20 6d bf 81 49 89 f7 48 63 04 10 <4c> 8b 34 c5 40 76 e1 81 0f 1f 84 00 00 00 00 00 89 df 4c 89 e2
RIP [<ffffffff81055750>] select_fallback_rq+0x50/0x100
RSP <ffff885f35b5f9e0>
CR2: fffffffde847dca0
Environment
- Red Hat Enterprise Linux 6.2
- XFS
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