[Bug 217413] panic: Assertion err == 0 failed at /usr/src/sys/net/iflib.c:2242 after attaching the cable with 1000m fixed speed at another end

Tue Feb 28 08:07:06 UTC 2017

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217413

            Bug ID: 217413
           Summary: panic: Assertion err == 0 failed at
                    /usr/src/sys/net/iflib.c:2242 after attaching the
                    cable with 1000m fixed speed at another end
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: bsd at kobyla.org

panic: Assertion err == 0 failed at /usr/src/sys/net/iflib.c:2242 after
attaching the cable with 1000m fixed speed at another end

bce2: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
1500
       
options=801ab<RXCSUM,TXCSUM,VLAN_MTU,JUMBO_MTU,VLAN_HWCSUM,TSO4,LINKSTATE>
        ether 68:05:ca:1e:bf:aa
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (none)
        status: no carrier


Dump header from device: /dev/mfid0p20
  Architecture: amd64
  Architecture Version: 2
  Dump Length: 5902462976
  Blocksize: 512
  Dumptime: Tue Feb 28 07:33:40 2017
  Hostname: dell1.home
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 12.0-CURRENT #29 r312942M: Sun Jan 29 22:29:43 EET
2017
    root at cel.home:/usr/obj/usr/src/sys/PDC10
  Panic String: Assertion err == 0 failed at /usr/src/sys/net/iflib.c:2242
  Dump Parity: 2536642351
  Bounds: 0
  Dump Status: good

 Unread portion of the kernel message buffer:
 <110>ipfw: 9911 Deny TCP 192.168.84.22:43305 192.168.10.1:80 out via bridge200
 panic: Assertion err == 0 failed at /usr/src/sys/net/iflib.c:2242
 cpuid = 1
 KDB: stack backtrace:
 db_trace_self_wrapper() at 0xffffffff8032264b =
db_trace_self_wrapper+0x2b/frame 0xfffffe0347143960
 vpanic() at 0xffffffff80547196 = vpanic+0x186/frame 0xfffffe03471439e0
 kassert_panic() at 0xffffffff80547006 = kassert_panic+0x126/frame
0xfffffe0347143a50
 _task_fn_rx() at 0xffffffff806455cf = _task_fn_rx+0x1df/frame
0xfffffe0347143b30
 gtaskqueue_run_locked() at 0xffffffff80585c89 =
gtaskqueue_run_locked+0x129/frame 0xfffffe0347143b80
 gtaskqueue_thread_loop() at 0xffffffff80585a18 =
gtaskqueue_thread_loop+0x88/frame 0xfffffe0347143bb0
 fork_exit() at 0xffffffff8050bf24 = fork_exit+0x84/frame 0xfffffe0347143bf0
 fork_trampoline() at 0xffffffff8084f94e = fork_trampoline+0xe/frame
0xfffffe0347143bf0
 --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
 KDB: enter: panic

Loaded symbols for /boot/kernel/ng_tcpmss.ko
#0  doadump (textdump=0) at pcpu.h:222
222     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump (textdump=0) at pcpu.h:222
#1  0xffffffff8031feec in db_fncall (dummy1=<value optimized out>, 
    dummy2=<value optimized out>, dummy3=<value optimized out>, 
    dummy4=<value optimized out>) at /usr/src/sys/ddb/db_command.c:581
#2  0xffffffff8031fa6f in db_command (cmd_table=<value optimized out>)
    at /usr/src/sys/ddb/db_command.c:453
#3  0xffffffff80324438 in db_script_exec (scriptname=<value optimized out>, 
    warnifnotfound=<value optimized out>) at /usr/src/sys/ddb/db_script.c:302
#4  0xffffffff80324283 in db_script_kdbenter (eventname=<value optimized out>)
    at /usr/src/sys/ddb/db_script.c:324
#5  0xffffffff8032279a in db_trap (type=<value optimized out>, 
    code=<value optimized out>) at /usr/src/sys/ddb/db_main.c:247
#6  0xffffffff805877b3 in kdb_trap (type=<value optimized out>, 
    code=<value optimized out>, tf=<value optimized out>)
    at /usr/src/sys/kern/subr_kdb.c:654
#7  0xffffffff8086cc61 in trap (frame=0xfffffe0347143890)
    at /usr/src/sys/amd64/amd64/trap.c:537
#8  0xffffffff8084f411 in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:236
#9  0xffffffff80586edb in kdb_enter (why=0xffffffff8096ef7b "panic", 
    msg=<value optimized out>) at cpufunc.h:63
#10 0xffffffff805471b3 in vpanic (fmt=<value optimized out>, 
    ap=0xfffffe0347143a20) at /usr/src/sys/kern/kern_shutdown.c:772
#11 0xffffffff80547006 in kassert_panic (fmt=<value optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:669
#12 0xffffffff806455cf in _task_fn_rx (context=<value optimized out>)
    at /usr/src/sys/net/iflib.c:2242
#13 0xffffffff80585c89 in gtaskqueue_run_locked (queue=<value optimized out>)
    at /usr/src/sys/kern/subr_gtaskqueue.c:327
#14 0xffffffff80585a18 in gtaskqueue_thread_loop (arg=<value optimized out>)
    at /usr/src/sys/kern/subr_gtaskqueue.c:502
#15 0xffffffff8050bf24 in fork_exit (
    callout=0xffffffff80585990 <gtaskqueue_thread_loop>, 
    arg=0xfffffe0001111020, frame=0xfffffe0347143c00)
    at /usr/src/sys/kern/kern_fork.c:1038
#16 0xffffffff8084f94e in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:611
#17 0x0000000000000000 in ?? ()
Current language:  auto; currently minimal
(kgdb)

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