https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210907

Mark Millard <marklmi26-f...@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marklmi26-f...@yahoo.com

--- Comment #1 from Mark Millard <marklmi26-f...@yahoo.com> ---
I'm see this followed by a crash on a head -r339076
based build for powerpc64. It was during a kyua
test:

sys/netinet/reuseport_lb:basic_ipv4  ->  failed:
/usr/src/tests/sys/netinet/reuseport_lb.c:165: bind() failed: Address already
in use  [0.022s]
sys/netinet/reuseport_lb:basic_ipv6  ->  failed:
/usr/src/tests/sys/netinet/reuseport_lb.c:221: bind() failed: Address already
in use  [0.022s]
sys/netipsec/tunnel/aes_cbc_128_hmac_sha1:v4  ->

Console/logging:

epair3a: Ethernet address: 02:60:27:70:4b:0a
epair3b: Ethernet address: 02:60:27:70:4b:0b
epair3a: link state changed to UP
epair3b: link state changed to UP
lock order reversal:
 1st 0x13be260 allprison (allprison) @ /usr/src/sys/kern/kern_jail.c:960
 2nd 0x15964a0 vnet_sysinit_sxlock (vnet_sysinit_sxlock) @
/usr/src/sys/net/vnet.c:575
stack backtrace:
#0 0x6f6520 at witness_debugger+0xf4
#1 0x6f8440 at witness_checkorder+0xa1c
#2 0x675690 at _sx_slock_int+0x70
#3 0x675810 at _sx_slock+0x1c
#4 0x7f4338 at vnet_sysinit+0x38
#5 0x7f44dc at vnet_alloc+0x118
#6 0x62ab84 at kern_jail_set+0x3274
#7 0x62b62c at sys_jail_set+0x8c
#8 0xa8a798 at trap+0x9a0
#9 0xa7e660 at powerpc_interrupt+0x140

fatal kernel trap:

   exception       = 0x300 (data storage interrupt)
   virtual address = 0xc00000008df1df30
   dsisr           = 0x42000000
   srr0            = 0xe000000047854e98 (0xe000000047854e98)
   srr1            = 0x9000000000009032
   current msr     = 0x9000000000009032
   lr              = 0xe000000047854e90 (0xe000000047854e90)
   curthread       = 0xc0000000206b6000
          pid = 9464, comm = jail

(Hand transcribed from here on:)

[ thread pid 9464 tid 100296 ]
Stopped at vnet_epair_init+0x78: stdx r3,r29,r30
db:0:kdb.enter.default> bt
Tracing pid 9464 tid 100296 td 0xc0000000206b6000
0xe000000047274240: at vnet_sysinit+0x70
0xe000000047274270: at vnet_alloc+0x118
0xe000000047274300: at kern_jail_set+0x32740
0xe000000047274610: at sys_jail_set+08c
0xe000000047274660: at trap+0x9a0
0xe000000047274790: at powerpc_interrupt+0x140
0xe000000047274820: user sc trap by 0x81016a888
srr1 = 0x900000000000f032
r1   = 0x3fffffffffffd080
cr   = 0x28002482
xer  = 0x20000000
ctr  = 0x81016a880
r2   = 0x810322300

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