Kernel Panic at update_curr with "Thread overran stack, or stack corrupted" when amfstat is executed on VCS 6.0.0

Solution Verified - Updated -

Issue

  • Server running Veritas Cluster Suite panicked
  • AMF driver panics the machine when amfstat is executed.
  • Crash log :-
BUG: unable to handle kernel paging request at 000000009fa61e00
IP: [<ffffffff81056904>] update_curr+0x144/0x1f0
PGD 0 
Thread overran stack, or stack corrupted
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map
CPU 2 
Modules linked in: dell_rbu mpt2sas scsi_transport_sas raid_class mptctl mptbase ipmi_devintf nfs lockd fscache auth_rpcgss nfs_acl sunrpc xfs exportfs ext3 jbd ext2 amf(P)(U) gab(P)(U) llt(P)(U) bonding 8021q garp stp llc ipv6 sddlmfdrv(P)(U) sddlmadrv(P)(U) power_meter dcdbas microcode sb_edac edac_core iTCO_wdt iTCO_vendor_support shpchp sg igb dca ptp pps_core ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif ahci lpfc scsi_transport_fc scsi_tgt megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: dell_rbu]

Pid: 37150, comm: umount Tainted: P           ---------------    2.6.32-358.14.1.el6.x86_64 #1 Dell Inc. PowerEdge R620/0KCKR5
RIP: 0010:[<ffffffff81056904>]  [<ffffffff81056904>] update_curr+0x144/0x1f0
RSP: 0018:ffff880028223db8  EFLAGS: 00010086
RAX: ffff880765e54aa0 RBX: 0000000023bcc800 RCX: ffff88082fef31c0
RDX: 00000000000192d8 RSI: 0000000000000000 RDI: ffff880765e54ad8
RBP: ffff880028223de8 R08: ffffffff8160bb65 R09: 0000000000000000
R10: 0000000000000010 R11: 0000000000000000 R12: ffff880028236768
R13: 00000000000f3e29 R14: 0001866ca6630fc5 R15: ffff880765e54aa0
FS:  00007fcec0e1d740(0000) GS:ffff880028220000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000009fa61e00 CR3: 000000081d6c8000 CR4: 00000000000407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process umount (pid: 37150, threadinfo ffff88081d730000, task ffff880765e54aa0)
Stack:
 ffff880028223dc8 ffffffff81013863 ffff880765e54ad8 ffff880028236768
<d> 0000000000000000 0000000000000000 ffff880028223e18 ffffffff81056ebb
<d> ffff880028236700 0000000000000002 0000000000016700 0000000000000002
Call Trace:
 <IRQ> 
 [<ffffffff81013863>] ? native_sched_clock+0x13/0x80
 [<ffffffff81056ebb>] task_tick_fair+0xdb/0x160
 [<ffffffff8105ad01>] scheduler_tick+0xc1/0x260
 [<ffffffff810a7f80>] ? tick_sched_timer+0x0/0xc0
 [<ffffffff8108121e>] update_process_times+0x6e/0x90
 [<ffffffff810a7fe6>] tick_sched_timer+0x66/0xc0
 [<ffffffff8109b3ce>] __run_hrtimer+0x8e/0x1a0
 [<ffffffff810a20bf>] ? ktime_get_update_offsets+0x4f/0xd0
 [<ffffffff8109b736>] hrtimer_interrupt+0xe6/0x260
 [<ffffffff8151741b>] smp_apic_timer_interrupt+0x6b/0x9b
 [<ffffffff8100bb93>] apic_timer_interrupt+0x13/0x20
 <EOI> 
Code: 00 8b 15 14 2d a4 00 85 d2 74 34 48 8b 50 08 8b 5a 18 48 8b 90 10 09 00 00 48 8b 4a 50 48 85 c9 74 1d 48 63 db 66 90 48 8b 51 20 <48> 03 14 dd 00 de bf 81 4c 01 2a 48 8b 49 78 48 85 c9 75 e8 48 
RIP  [<ffffffff81056904>] update_curr+0x144/0x1f0
 RSP <ffff880028223db8>
CR2: 000000009fa61e00

Environment

  • Red Hat Enterprise Linux 6.4
  • VCS 6.0.0 amf module
  • VRTSamf Package

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