https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203175
--- Comment #3 from Palle Girgensohn <gir...@freebsd.org> ---
Hi!
This is a fresh core dump. This is beyond the scope of my experience, so please
advice what to do next. Thanks! :-)
# kgdb kernel /var/crash/vmcore.2
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
panic: tcp_detach: INP_TIMEWAIT && INP_DROPPED && tp != NULL
cpuid = 16
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe183d9e97e0
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe183d9e9890
vpanic() at vpanic+0x126/frame 0xfffffe183d9e98d0
kassert_panic() at kassert_panic+0x139/frame 0xfffffe183d9e9940
tcp_usr_detach() at tcp_usr_detach+0xf9/frame 0xfffffe183d9e9970
sofree() at sofree+0x1f1/frame 0xfffffe183d9e99a0
soclose() at soclose+0x3a0/frame 0xfffffe183d9e99f0
_fdrop() at _fdrop+0x29/frame 0xfffffe183d9e9a10
closef() at closef+0x1e2/frame 0xfffffe183d9e9aa0
closefp() at closefp+0x9d/frame 0xfffffe183d9e9ae0
amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe183d9e9bf0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe183d9e9bf0
--- syscall (6, FreeBSD ELF64, sys_close), rip = 0x801c8d94a, rsp =
0x7ffff91c8668, rbp = 0x7ffff91c8680 ---
KDB: enter: panic
Uptime: 18h57m59s
Dumping 23085 out of 98263 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Reading symbols from /boot/kernel/nullfs.ko.symbols...done.
Loaded symbols for /boot/kernel/nullfs.ko.symbols
Reading symbols from /boot/kernel/zfs.ko.symbols...done.
Loaded symbols for /boot/kernel/zfs.ko.symbols
Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
Loaded symbols for /boot/kernel/opensolaris.ko.symbols
Reading symbols from /boot/kernel/ng_bridge.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_bridge.ko.symbols
Reading symbols from /boot/kernel/netgraph.ko.symbols...done.
Loaded symbols for /boot/kernel/netgraph.ko.symbols
Reading symbols from /boot/kernel/ng_eiface.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_eiface.ko.symbols
Reading symbols from /boot/kernel/ng_ether.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_ether.ko.symbols
Reading symbols from /boot/kernel/accf_data.ko.symbols...done.
Loaded symbols for /boot/kernel/accf_data.ko.symbols
Reading symbols from /boot/kernel/accf_http.ko.symbols...done.
Loaded symbols for /boot/kernel/accf_http.ko.symbols
Reading symbols from /boot/kernel/ums.ko.symbols...done.
Loaded symbols for /boot/kernel/ums.ko.symbols
Reading symbols from /boot/kernel/ng_socket.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_socket.ko.symbols
Reading symbols from /boot/kernel/fdescfs.ko.symbols...done.
Loaded symbols for /boot/kernel/fdescfs.ko.symbols
#0 doadump (textdump=1) at pcpu.h:219
219 __asm("movq %%gs:%1,%0" : "=r" (td)
(kgdb) bt
#0 doadump (textdump=1) at pcpu.h:219
#1 0xffffffff8094b337 in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:451
#2 0xffffffff8094b845 in vpanic (fmt=<value optimized out>, ap=<value
optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:758
#3 0xffffffff8094b6d9 in kassert_panic (fmt=<value optimized out>) at
/usr/src/sys/kern/kern_shutdown.c:646
#4 0xffffffff80b1ee59 in tcp_usr_detach (so=<value optimized out>) at
/usr/src/sys/netinet/tcp_usrreq.c:202
#5 0xffffffff809cd291 in sofree (so=0xfffff801dd302000) at
/usr/src/sys/kern/uipc_socket.c:747
#6 0xffffffff809cdb00 in soclose (so=<value optimized out>) at
/usr/src/sys/kern/uipc_socket.c:849
#7 0xffffffff808fe659 in _fdrop (fp=0xfffff802a593db40, td=0x0) at file.h:343
#8 0xffffffff80901092 in closef (fp=0xfffff802a593db40, td=0xfffff80eebc894a0)
at /usr/src/sys/kern/kern_descrip.c:2338
#9 0xffffffff808feb5d in closefp (fdp=0xfffff80b20cce000, fd=<value optimized
out>, fp=0xfffff802a593db40,
td=0xfffff80eebc894a0, holdleaders=<value optimized out>) at
/usr/src/sys/kern/kern_descrip.c:1194
#10 0xffffffff80d7bc3a in amd64_syscall (td=0xfffff80eebc894a0, traced=0) at
subr_syscall.c:134
#11 0xffffffff80d5f1db in Xfast_syscall () at
/usr/src/sys/amd64/amd64/exception.S:396
#12 0x0000000801c8d94a in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language: auto; currently minimal
(kgdb) f 8
#8 0xffffffff80901092 in closef (fp=0xfffff802a593db40, td=0xfffff80eebc894a0)
at /usr/src/sys/kern/kern_descrip.c:2338
2338 return (fdrop(fp, td));
(kgdb) help
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(kgdb) disassemble
Dump of assembler code for function closef:
0xffffffff80900eb0 <closef+0>: push %rbp
0xffffffff80900eb1 <closef+1>: mov %rsp,%rbp
0xffffffff80900eb4 <closef+4>: push %r15
0xffffffff80900eb6 <closef+6>: push %r14
0xffffffff80900eb8 <closef+8>: push %r13
0xffffffff80900eba <closef+10>: push %r12
0xffffffff80900ebc <closef+12>: push %rbx
0xffffffff80900ebd <closef+13>: sub $0x58,%rsp
0xffffffff80900ec1 <closef+17>: mov %rsi,%r12
0xffffffff80900ec4 <closef+20>: mov %rdi,%r14
0xffffffff80900ec7 <closef+23>: cmpw $0x1,0x20(%r14)
0xffffffff80900ecd <closef+29>: jne 0xffffffff80901077 <closef+455>
0xffffffff80900ed3 <closef+35>: test %r12,%r12
0xffffffff80900ed6 <closef+38>: je 0xffffffff80901077 <closef+455>
0xffffffff80900edc <closef+44>: mov 0x8(%r12),%rax
0xffffffff80900ee1 <closef+49>: mov 0x428(%rax),%rcx
0xffffffff80900ee8 <closef+56>: testb $0x1,0xb0(%rcx)
0xffffffff80900eef <closef+63>: je 0xffffffff80900f50 <closef+160>
0xffffffff80900ef1 <closef+65>: mov 0x18(%r14),%rcx
0xffffffff80900ef5 <closef+69>: movw $0x0,-0x62(%rbp)
0xffffffff80900efb <closef+75>: movq $0x0,-0x78(%rbp)
0xffffffff80900f03 <closef+83>: movq $0x0,-0x70(%rbp)
0xffffffff80900f0b <closef+91>: movw $0x2,-0x64(%rbp)
0xffffffff80900f11 <closef+97>: mov 0x428(%rax),%rax
0xffffffff80900f18 <closef+104>: movq $0xffffffff81557f68,-0x58(%rbp)
0xffffffff80900f20 <closef+112>: mov %rcx,-0x50(%rbp)
0xffffffff80900f24 <closef+116>: mov %rax,-0x48(%rbp)
0xffffffff80900f28 <closef+120>: movl $0x2,-0x40(%rbp)
0xffffffff80900f2f <closef+127>: lea -0x78(%rbp),%rax
0xffffffff80900f33 <closef+131>: mov %rax,-0x38(%rbp)
0xffffffff80900f37 <closef+135>: movl $0x40,-0x30(%rbp)
0xffffffff80900f3e <closef+142>: mov 0x8(%rcx),%rdi
0xffffffff80900f42 <closef+146>: lea -0x58(%rbp),%rsi
0xffffffff80900f46 <closef+150>: callq 0xffffffff80ea8870 <VOP_ADVLOCK_APV>
0xffffffff80900f4b <closef+155>: mov 0x8(%r12),%rax
0xffffffff80900f50 <closef+160>: mov 0x50(%rax),%rbx
0xffffffff80900f54 <closef+164>: test %rbx,%rbx
0xffffffff80900f57 <closef+167>: je 0xffffffff80901077 <closef+455>
0xffffffff80900f5d <closef+173>: mov 0x48(%rax),%r15
0xffffffff80900f61 <closef+177>: add $0x40,%r15
0xffffffff80900f65 <closef+181>: xor %esi,%esi
0xffffffff80900f67 <closef+183>: mov $0xffffffff810042e9,%rdx
0xffffffff80900f6e <closef+190>: mov $0x906,%ecx
0xffffffff80900f73 <closef+195>: mov %r15,%rdi
0xffffffff80900f76 <closef+198>: callq 0xffffffff80952ba0 <_sx_xlock>
0xffffffff80900f7b <closef+203>: mov 0x20(%rbx),%rbx
0xffffffff80900f7f <closef+207>: mov 0x8(%r12),%rax
0xffffffff80900f84 <closef+212>: cmp 0x50(%rax),%rbx
---Type <return> to continue, or q <return> to quit---
0xffffffff80900f88 <closef+216>: je 0xffffffff80901063 <closef+435>
0xffffffff80900f8e <closef+222>: lea -0x58(%rbp),%r13
0xffffffff80900f92 <closef+226>: nopw %cs:0x0(%rax,%rax,1)
0xffffffff80900fa0 <closef+240>: mov 0x10(%rbx),%rax
0xffffffff80900fa4 <closef+244>: testb $0x1,0xb0(%rax)
0xffffffff80900fab <closef+251>: je 0xffffffff80901050 <closef+416>
0xffffffff80900fb1 <closef+257>: incl 0x4(%rbx)
0xffffffff80900fb4 <closef+260>: mov $0xffffffff810042e9,%rsi
0xffffffff80900fbb <closef+267>: mov $0x90e,%edx
0xffffffff80900fc0 <closef+272>: mov %r15,%rdi
0xffffffff80900fc3 <closef+275>: callq 0xffffffff80952f90 <_sx_xunlock>
0xffffffff80900fc8 <closef+280>: movw $0x0,-0x62(%rbp)
0xffffffff80900fce <closef+286>: movq $0x0,-0x78(%rbp)
0xffffffff80900fd6 <closef+294>: movq $0x0,-0x70(%rbp)
0xffffffff80900fde <closef+302>: movw $0x2,-0x64(%rbp)
0xffffffff80900fe4 <closef+308>: mov 0x18(%r14),%rax
0xffffffff80900fe8 <closef+312>: mov 0x10(%rbx),%rcx
0xffffffff80900fec <closef+316>: movq $0xffffffff81557f68,-0x58(%rbp)
0xffffffff80900ff4 <closef+324>: mov %rax,-0x50(%rbp)
0xffffffff80900ff8 <closef+328>: mov %rcx,-0x48(%rbp)
0xffffffff80900ffc <closef+332>: movl $0x2,-0x40(%rbp)
0xffffffff80901003 <closef+339>: lea -0x78(%rbp),%rcx
0xffffffff80901007 <closef+343>: mov %rcx,-0x38(%rbp)
0xffffffff8090100b <closef+347>: movl $0x40,-0x30(%rbp)
0xffffffff80901012 <closef+354>: mov 0x8(%rax),%rdi
0xffffffff80901016 <closef+358>: mov %r13,%rsi
0xffffffff80901019 <closef+361>: callq 0xffffffff80ea8870 <VOP_ADVLOCK_APV>
0xffffffff8090101e <closef+366>: xor %esi,%esi
0xffffffff80901020 <closef+368>: mov $0xffffffff810042e9,%rdx
0xffffffff80901027 <closef+375>: mov $0x917,%ecx
0xffffffff8090102c <closef+380>: mov %r15,%rdi
0xffffffff8090102f <closef+383>: callq 0xffffffff80952ba0 <_sx_xlock>
0xffffffff80901034 <closef+388>: decl 0x4(%rbx)
0xffffffff80901037 <closef+391>: jne 0xffffffff80901050 <closef+416>
0xffffffff80901039 <closef+393>: cmpl $0x0,0x8(%rbx)
0xffffffff8090103d <closef+397>: je 0xffffffff80901050 <closef+416>
0xffffffff8090103f <closef+399>: movl $0x0,0x8(%rbx)
0xffffffff80901046 <closef+406>: mov %rbx,%rdi
0xffffffff80901049 <closef+409>: callq 0xffffffff80954a40 <wakeup>
0xffffffff8090104e <closef+414>: xchg %ax,%ax
0xffffffff80901050 <closef+416>: mov 0x20(%rbx),%rbx
0xffffffff80901054 <closef+420>: mov 0x8(%r12),%rax
0xffffffff80901059 <closef+425>: cmp 0x50(%rax),%rbx
0xffffffff8090105d <closef+429>: jne 0xffffffff80900fa0 <closef+240>
0xffffffff80901063 <closef+435>: mov $0xffffffff810042e9,%rsi
0xffffffff8090106a <closef+442>: mov $0x91f,%edx
0xffffffff8090106f <closef+447>: mov %r15,%rdi
0xffffffff80901072 <closef+450>: callq 0xffffffff80952f90 <_sx_xunlock>
0xffffffff80901077 <closef+455>: mov $0xffffffff,%eax
---Type <return> to continue, or q <return> to quit---
0xffffffff8090107c <closef+460>: lock xadd %eax,0x28(%r14)
0xffffffff80901082 <closef+466>: cmp $0x1,%eax
0xffffffff80901085 <closef+469>: jne 0xffffffff809010a5 <closef+501>
0xffffffff80901087 <closef+471>: mov %r14,%rdi
0xffffffff8090108a <closef+474>: mov %r12,%rsi
0xffffffff8090108d <closef+477>: callq 0xffffffff808fe630 <_fdrop>
0xffffffff80901092 <closef+482>: mov %eax,%ebx
0xffffffff80901094 <closef+484>: mov %ebx,%eax
0xffffffff80901096 <closef+486>: add $0x58,%rsp
0xffffffff8090109a <closef+490>: pop %rbx
0xffffffff8090109b <closef+491>: pop %r12
0xffffffff8090109d <closef+493>: pop %r13
0xffffffff8090109f <closef+495>: pop %r14
0xffffffff809010a1 <closef+497>: pop %r15
0xffffffff809010a3 <closef+499>: pop %rbp
0xffffffff809010a4 <closef+500>: retq
0xffffffff809010a5 <closef+501>: xor %ebx,%ebx
0xffffffff809010a7 <closef+503>: test %eax,%eax
0xffffffff809010a9 <closef+505>: jne 0xffffffff80901094 <closef+484>
0xffffffff809010ab <closef+507>: add $0x28,%r14
0xffffffff809010af <closef+511>: xor %ebx,%ebx
0xffffffff809010b1 <closef+513>: mov $0xffffffff80ebcddb,%rdi
0xffffffff809010b8 <closef+520>: xor %eax,%eax
0xffffffff809010ba <closef+522>: mov %r14,%rsi
0xffffffff809010bd <closef+525>: callq 0xffffffff8094b5a0 <kassert_panic>
0xffffffff809010c2 <closef+530>: jmp 0xffffffff80901094 <closef+484>
End of assembler dump.
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