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  1. FreeNAS / TrueNAS
  2. NAS-105592

Kernel nullfs panic on failover

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    Details

    • Type: Bug
    • Status: Done (View Workflow)
    • Priority: Low
    • Resolution: Complete
    • Affects Version/s: None
    • Fix Version/s: 11.3-U2
    • Component/s: OS
    • Labels:
      None

      Description

      I am seeing a kernel panic on failover when the active node reboots. The node had 1 jail running at the time. ( This is on TN 11.3 INTERNAL 45 )

      Stopping zfsd.
      Waiting for PIDS: 1631.
      null_bypass: no map for vop_closeFatal trap 12: page fault while in kernel mode
      cpuid = 7; apic id = 07
      fault virtual address	= 0x8
      fault code		= supervisor read data, page not present
      instruction pointer	= 0x20:0xffffffff808055fd
      stack pointer	        = 0x28:0xfffffe085c2633d0
      frame pointer	        = 0x28:0xfffffe085c263400
      code segment		= base 0x0, limit 0xfffff, type 0x1b
      			= DPL 0, pres 1, long 1, def32 0, gran 1
      processor eflags	= interrupt enabled, resume, IOPL = 0
      current process		= 5858 (postgres)
      trap number		= 12
      panic: page fault
      cpuid = 7
      KDB: stack backtrace:
      db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe085c263080
      vpanic() at vpanic+0x17e/frame 0xfffffe085c2630e0
      panic() at panic+0x43/frame 0xfffffe085c263140
      trap_fatal() at trap_fatal+0x369/frame 0xfffffe085c263190
      trap_pfault() at trap_pfault+0x49/frame 0xfffffe085c2631f0
      trap() at trap+0x29d/frame 0xfffffe085c263300
      calltrap() at calltrap+0x8/frame 0xfffffe085c263300
      --- trap 0xc, rip = 0xffffffff808055fd, rsp = 0xfffffe085c2633d0, rbp = 0xfffffe085c263400 ---
      null_add_writecount() at null_add_writecount+0x5d/frame 0xfffffe085c263400
      VOP_ADD_WRITECOUNT_APV() at VOP_ADD_WRITECOUNT_APV+0x80/frame 0xfffffe085c263430
      vn_close1() at vn_close1+0x125/frame 0xfffffe085c2634b0
      vn_closefile() at vn_closefile+0x4c/frame 0xfffffe085c263530
      closef() at closef+0x24e/frame 0xfffffe085c2635c0
      fdescfree_fds() at fdescfree_fds+0x80/frame 0xfffffe085c263600
      fdescfree() at fdescfree+0x4b6/frame 0xfffffe085c2636c0
      exit1() at exit1+0x52c/frame 0xfffffe085c263720
      sigexit() at sigexit+0xcf1/frame 0xfffffe085c2639c0
      postsig() at postsig+0x293/frame 0xfffffe085c263a80
      ast() at ast+0x347/frame 0xfffffe085c263ab0
      doreti_ast() at doreti_ast+0x1f/frame 0x7fffffffdd40
      KDB: enter: panic
      [ thread pid 5858 tid 100680 ]
      Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
      db:0:kdb.enter.default> write cn_mute 1
      cn_mute                0        =            0x1

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                Assignee:
                mav Alexander Motin
                Reporter:
                waqar Waqar Ahmed
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                  Dates

                  Created:
                  Updated:
                  Resolved: