Repeated panics in bge(4)

[Thor Lancelot Simon]

Hello,
my NetBSD-current system crashed the second time today with a panic
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

Is this a problem with the page loaning in the NFS code?

Thor

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[Matthias Scheler]

Post by Thor Lancelot Simon
Is this a problem with the page loaning in the NFS code?

It could be. The panics are definitely related to the NFS client and
not the bge(4) driver, see PR kern/39777.

Kind regards