panic: softclock_call_cc: act 0xfffffe0003d36958 0

Hi,

I am at SVN r292843 and I just got this panic:

panic: softclock_call_cc: act 0xfffffe0003d36958 0
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0839d897f0
vpanic() at vpanic+0x182/frame 0xfffffe0839d89870
kassert_panic() at kassert_panic+0x126/frame 0xfffffe0839d898e0
softclock_call_cc() at softclock_call_cc+0x4d4/frame 0xfffffe0839d899c0
softclock() at softclock+0x47/frame 0xfffffe0839d899e0
intr_event_execute_handlers() at intr_event_execute_handlers+0x96/frame 0xfffffe0839d89a20
ithread_loop() at ithread_loop+0xa6/frame 0xfffffe0839d89a70
fork_exit() at fork_exit+0x84/frame 0xfffffe0839d89ab0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0839d89ab0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100013 ]
Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
db> show alllocks
Process 75753 (ping) thread 0xfffff80016f6a9a0 (100110)
exclusive lockmgr nfs (nfs) r = 0 (0xfffff80016a4b068) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/vfs_subr.c:2473
shared lockmgr nfs (nfs) r = 0 (0xfffff80016b925f0) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/vfs_subr.c:2473
Process 75752 (sh) thread 0xfffff8019f63c4d0 (100254)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff80015307300) locked _at_ /tank/users/bz/projects_vnet.svn/sys/netinet/tcp_usrreq.c:872
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff800153037c8) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/uipc_sockbuf.c:265
exclusive lockmgr nfs (nfs) r = 0 (0xfffff80016b92418) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/vfs_subr.c:2473
shared lockmgr nfs (nfs) r = 0 (0xfffff80016b925f0) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/vfs_subr.c:2473
Process 75751 (jexec) thread 0xfffff805254b14d0 (100370)
exclusive lockmgr nfs (nfs) r = 0 (0xfffff80016a4a5f0) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/vfs_subr.c:2473
shared lockmgr nfs (nfs) r = 0 (0xfffff80016b925f0) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/vfs_subr.c:2473
Process 75749 (jail) thread 0xfffff8001503f4d0 (100150)
exclusive sleep mutex maxsockets_change (eventhandler list) r = 0 (0xfffff8000bd99b90) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/subr_eventhandler.c:126
shared sx vnet_sysinit_sxlock (vnet_sysinit_sxlock) r = 0 (0xffffffff81d23cd8) locked _at_ /tank/users/bz/projects_vnet.svn/sys/net/vnet.c:573
exclusive sx allprison (allprison) r = 0 (0xffffffff81cfe238) locked _at_ /tank/users/bz/projects_vnet.svn/sys/kern/kern_jail.c:1020



I cannot make a dump so if anyone wants any further information please let me know.  I’ll need the machine again but I’ll wait an hour or two (at most).

/bz