Kernel panic at mmfs26:_ZN13SharedHashTab13lookupAndHoldEPP8CacheObjRK6ObjKeyP11StripeGroupi+0x129/0xa00

Solution Verified - Updated -

Issue

  • Kernel panic with following error messages.
Unable to handle kernel paging request at ffffc20414494118 RIP: 
 [<ffffffff8861d8a9>] :mmfs26:_ZN13SharedHashTab13lookupAndHoldEPP8CacheObjRK6ObjKeyP11StripeGroupi+0x129/0xa00  
PGD 65517b067 PUD 0 
Oops: 0000 [1] SMP 
last sysfs file: /kernel/kexec_crash_loaded
CPU 20 
Modules linked in: mmfs26(U) mmfslinux(U) tracedev(U) autofs4 nfs nfs_acl lockd sunrpc acpi_cpufreq freq_table mperf bonding ipv6 xfrm_nalgo crypto_api ipt_REJECT xt_tcpudp xt_state ip_conntrack nfnetlink xt_multiport iptable_filter ip_tables x_tables dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec dell_wmi wmi button battery asus_acpi acpi_memhotplug ac parport_pc lp parport joydev sg ixgbe tpm_tis 8021q tpm e1000e i2c_i801 i2c_core tpm_bios i7core_edac pcspkr edac_mc dca serio_raw dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod ahci libata shpchp megaraid_sas sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 9715, comm: gmond Tainted: G     ---- 2.6.18-308.el5 #1
RIP: 0010:[<ffffffff8861d8a9>]  [<ffffffff8861d8a9>] :mmfs26:_ZN13SharedHashTab13lookupAndHoldEPP8CacheObjRK6ObjKeyP11StripeGroupi+0x129/0xa00
RSP: 0018:ffff8105e660f588  EFLAGS: 00010246
RAX: ffffc20014494eb0 RBX: 000000007ffffe4d RCX: ffffc20014559720
RDX: 000000007ffffe4d RSI: 00000000ffffffff RDI: ffffc20014559720
RBP: ffff810bf46b4130 R08: 0000000000000000 R09: ffff810bf46b4040
R10: 0000000000001fbc R11: 0000000000001000 R12: ffff810bf46b4140
R13: ffffc200145583c0 R14: ffffc20414494118 R15: 000000000000004d
FS:  00002b51415a3f50(0000) GS:ffff810c3fd7bc40(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffffc20414494118 CR3: 0000000bf2d1e000 CR4: 00000000000006a0
Process gmond (pid: 9715, threadinfo ffff8105e660e000, task ffff81063ccd7860)
Stack:  0000000000000001 ffff810115e5a3c0 000000007ffffe4d ffff810c3fd6ecc0
 ffff8106551436c0 0000000000000000 0000000015e5a3c0 ffffc200142211b8
 ffff810bf46b40e0 ffff810115e5a3c0 0000000000000246 00000000000000d0
Call Trace:
 [<ffffffff886033fd>] :mmfs26:_Z11lockGetattrP15KernelOperationP13gpfsVfsData_tR7FileUIDiR13LookupDetailsR10WhatLockedRP8OpenFileP10cxiVattr_t+0x2dd/0x1220
 [<ffffffff8861376a>] :mmfs26:_Z13lockFileHeldMP15KernelOperationP8OpenFile7FileUIDN5LkObj12LockModeEnumEi+0x9a/0x3f0
 [<ffffffff88604ad7>] :mmfs26:_ZN10gpfsNode_t6lookupEP15KernelOperationP13gpfsVfsData_tPS_PvPcjjP10ext_cred_tPS5_PS4_PjS9_PiS6_SC_Px+0x797/0x1da0
 [<ffffffff88663437>] :mmfs26:_Z10gpfsLookupP13gpfsVfsData_tPvP9cxiNode_tS1_S1_PcjPS1_PS3_PyP10cxiVattr_tPjP10ext_cred_tjS5_PiS4_SD_+0x3e7/0x8e0
 [<ffffffff885bfed6>] :mmfslinux:gpfs_i_lookup+0x286/0x420
 [<ffffffff88663050>] :mmfs26:_Z10gpfsLookupP13gpfsVfsData_tPvP9cxiNode_tS1_S1_PcjPS1_PS3_PyP10cxiVattr_tPjP10ext_cred_tjS5_PiS4_SD_+0x0/0x8e0
 [<ffffffff885c175d>] :mmfslinux:gpfs_i_permission+0x20d/0x2d0
 [<ffffffff8000d0aa>] do_lookup+0x126/0x227
 [<ffffffff8000a29d>] __link_path_walk+0x9f4/0xf39
 [<ffffffff8000eb31>] link_path_walk+0x45/0xb8
 [<ffffffff80009ef6>] __link_path_walk+0x64d/0xf39
 [<ffffffff8000eb31>] link_path_walk+0x45/0xb8
 [<ffffffff8000ce04>] do_path_lookup+0x294/0x310
 [<ffffffff80012989>] getname+0x15b/0x1c2
 [<ffffffff80023a37>] __user_walk_fd+0x37/0x4c
 [<ffffffff800289bb>] vfs_stat_fd+0x1b/0x4a
 [<ffffffff80067235>] do_page_fault+0x4cc/0x842
 [<ffffffff8000e291>] do_mmap_pgoff+0x615/0x780
 [<ffffffff80023767>] sys_newstat+0x19/0x31
 [<ffffffff80016bce>] vfs_write+0x13f/0x174
 [<ffffffff800301da>] sys_rt_sigprocmask+0xc0/0xd9
 [<ffffffff8005d116>] system_call+0x7e/0x83


Code: 49 8b 1e 48 85 db 48 89 5c 24 48 74 37 49 8b 04 24 eb 16 66 
RIP  [<ffffffff8861d8a9>] :mmfs26:_ZN13SharedHashTab13lookupAndHoldEPP8CacheObjRK6ObjKeyP11StripeGroupi+0x129/0xa00
 RSP <ffff8105e660f588>

Environment

  • Red Hat Enterprise Linux 5
  • kernel-2.6.18-308.el5 (x86_64)
  • mmfslinux and mmfs26 (Proprietary Module)

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