Repeated panics in bge(4)

[Matthias Scheler <tron%zhadum.org.uk@localhost>]

        Hello,

my NetBSD-current system crashed the second time today with a panic
looking like this:

fatal double fault in supervisor mode
trap type 13 code 0 rip ffffffff8037d1f4 cs 8 rflags 10282 cr2  
ffff800056d74fa8 cpl 6 rsp ffff800056d74fb0
kernel: double fault trap, code=0
Stopped in pid 17674.1 (sh) at  netbsd:_bus_dmamap_load_mbuf+0x14:      movq    
%
rdi,0xffffffffffffffb0(%rbp)
db{1}> bt
_bus_dmamap_load_mbuf() at netbsd:_bus_dmamap_load_mbuf+0x14
bge_start() at netbsd:bge_start+0x26c
ifq_enqueue() at netbsd:ifq_enqueue+0xc5
ether_output() at netbsd:ether_output+0x55d
ip_output() at netbsd:ip_output+0xb52
tcp_output() at netbsd:tcp_output+0x14aa
tcp_usrreq() at netbsd:tcp_usrreq+0x1e0
tcp_usrreq_wrapper() at netbsd:tcp_usrreq_wrapper+0x51
sosend() at netbsd:sosend+0x4e4
nfs_send() at netbsd:nfs_send+0xa9
nfs_request() at netbsd:nfs_request+0x34a
nfs_readrpc() at netbsd:nfs_readrpc+0x364
nfs_doio() at netbsd:nfs_doio+0x73c
VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x3d
genfs_getpages() at netbsd:genfs_getpages+0xf09
nfs_getpages() at netbsd:nfs_getpages+0xe9
VOP_GETPAGES() at netbsd:VOP_GETPAGES+0x59
ubc_fault() at netbsd:ubc_fault+0x148
uvm_fault_internal() at netbsd:uvm_fault_internal+0x5de
trap() at netbsd:trap+0x6c2
--- trap (number 0) ---
?() at 0
Bad frame pointer: 0xffff800000000000

Any ideas?

        Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/