Panic: vrelel: bad ref count (9.99.54)

[Yorick Hardy <yorickhardy%gmail.com@localhost>]

Dear current users,

Has anyone else seen this?

   Crash version 9.99.54, image version 9.99.54.
   crash: _kvm_kvatop(0)
   Kernel compiled without options LOCKDEBUG.
   System panicked: vrelel: bad ref count
   Backtrace from time of crash is available.
   crash> bt
   _KERNEL_OPT_NAGR() at 0
   ?() at 7f7ff7ecf000
   sys_reboot() at sys_reboot
   vpanic() at vpanic+0x181
   vtryrele() at vtryrele
   vcache_dealloc() at vcache_dealloc
   uvm_unmap_detach() at uvm_unmap_detach+0x76
   uvm_unmap1() at uvm_unmap1+0x4e
   uvm_mremap() at uvm_mremap+0x36b
   sys_mremap() at sys_mremap+0x68
   syscall() at syscall+0x227
   --- syscall (number 411) ---
   7f0af7842e9a:
   crash>

-- 
Kind regards,

Yorick Hardy