System kernel panic, appears "kernel BUG at /SFHA_build/fsbuild/6.0.1/6.0.500.100/2014-08-27_23.00.19/linux/vxfs/non-debug/rhel6/x86/kernel/smp/vx_strategy.c:1481!"

Solution Unverified - Updated -

Issue

  • System crashed inside vxfs vx_dev_strategy with kernel BUG statement similar to the following
<2>kernel BUG at /SFHA_build/fsbuild/6.0.1/6.0.500.200/2014-12-04_16.07.02/linux/vxfs/non-debug/rhel6/x86/kernel/smp_u6/vx_strategy.c:1481!
<4>invalid opcode: 0000 [#1] SMP 
<4>last sysfs file: /sys/devices/pci0000:60/0000:60:05.4/irq
<4>CPU 54 
<4>Modules linked in: dm_snapshot dm_bufio bridge mptctl mptbase vxodm(P)(U) vxgms(P)(U) amf(P)(U) vxglm(P)(U) vxfen(P)(U) gab(P)(U) llt(P)(U) autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc bonding 8021q garp stp llc ipv6 vxportal(P)(U) fdd(P)(U) vxfs(P)(U) exportfs iTCO_wdt iTCO_vendor_support microcode serio_raw hpilo hpwdt ixgbe ptp pps_core mdio lpc_ich mfd_core ioatdma dca sg power_meter acpi_ipmi ipmi_si ipmi_msghandler shpchp ext4 jbd2 mbcache dmpjbod(P)(U) dmpap(P)(U) dmpaa(P)(U) vxspec(P)(U) vxio(P)(U) vxdmp(P)(U) sd_mod hpsa lpfc scsi_transport_fc scsi_tgt crc_t10dif dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
<4>
<4>Pid: 19359, comm: multitool Tainted: P           ---------------    2.6.32-504.8.1.el6.x86_64 #1 HP ProLiant DL560 Gen8
<4>RIP: 0010:[<ffffffffa08c094e>]  [<ffffffffa08c094e>] vx_dev_strategy+0x68e/0x6f0 [vxfs]
<4>RSP: 0000:ffff88072dfe0798  EFLAGS: 00010297
<4>RAX: ffff88072dfe0000 RBX: 0000000000000600 RCX: ffff8801e6e52aa0
<4>RDX: ffff884040018e68 RSI: ffff88400f6ecae0 RDI: ffff886012ab7bc0
<4>RBP: ffff88072dfe0888 R08: 000000000008f664 R09: 000000000c70afc8
<4>R10: 000000000000001b R11: 0000000000003000 R12: 0000000000000000
<4>R13: 0000000000000000 R14: ffffea000c0c67a8 R15: 0000000000000000
<4>FS:  00007f9a0b94e720(0000) GS:ffff8840b0dc0000(0000) knlGS:0000000000000000
<4>CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>CR2: 00007f9a0b536000 CR3: 000000600ee32000 CR4: 00000000000407e0
<4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<4>Process multitool (pid: 19359, threadinfo ffff88072dfe0000, task ffff8801e6e52aa0)
<4>Stack:
<4> ffff88072dfe07a8 0000000000001609 ffff880371420000 0000000000000000
<4><d> 0000000000000001 0000000000000000 00000001ffffffff ffff8801e6e52aa0
<4><d> ffff8801e6e52aa0 ffff88200c013a00 ffff8801e6e52aa0 0000000000000000
<4>Call Trace:
<4> [<ffffffffa08c0f05>] vx_snap_strategy+0x295/0x2d0 [vxfs]
<4> [<ffffffffa08356fd>] vx_logbuf_write+0x17d/0x1b0 [vxfs]
<4> [<ffffffffa083590f>] vx_logbuf_io+0x1df/0x340 [vxfs]
<4> [<ffffffffa08366ae>] vx_logbuf_flush+0x22e/0x2d0 [vxfs]
<4> [<ffffffffa0836832>] vx_logflush+0xe2/0x140 [vxfs]

Environment

  • Red Hat Enterprise Linux 6
    • seen on various kernels including 2.6.32-220.el6 and 2.6.32-504.8.1.el6
  • vxfs

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