On Wed, May 20, 2026 at 11:15:24AM +0200, Renaud Allard wrote: > From: Renaud Allard <[email protected]> > To: [email protected] > Subject: Re: amd64 7.9 GENERIC.MP: reproducible panic a few minutes after > Date: Wed, 20 May 2026 11:15:24 +0200 > > On Tue, May 19, 2026 at 03:49:18PM +0200, Renaud Allard wrote: > > From: Renaud Allard <[email protected]> > > To: [email protected] > > Subject: amd64 7.9 GENERIC.MP: reproducible panic a few minutes after > > Date: Tue, 19 May 2026 15:49:18 +0200 > > > > boot on ProLiant DL360 G7 > > Reply-To: > > > > 7.9 release amd64 bsd.mp panics reproducibly about one minute after > > boot on a HP ProLiant DL360 G7. Rolling back to 7.8 GENERIC.MP on > > the same hardware and configuration makes the box stable again. > > > > I reinstalled 7.9 twice from different sources to be sure. > > > > I tried to replicate the behaviour using 3 VMs without success > on a 95 minutes stress test with iperf > > +--------+ +----------+ +--------+ > > | VM3 | LAN | VM1 | WAN | VM2 | > > | lan |--------| router |------| ISP | > > | | em1 |em2 em1| em1 | | > > +--------+ +----------+ +--------+ > > > Everything the DL360's stack would do: wg encap -> wg_deliver_out on > softnet -W wg_send -> sosend -> udp_output -> ip_output -> > pppoe -> sppp -> em -> vSwitch; and the reverse direction. > Plus periodic carp flap + wg rehandshake. > > The only differences being the chipset and a simpler pf ruleset
I disabled carp and decided to retry upgrading to 7.9 again. Unfortunately, it failed again after 1-2 minutes with only "attempt to execute user address 0x0 in supervisor mode" printed no keyboard, no ddb, no other message, completely hung. Could it be the bnx driver with the network changes which occured in December 2025? Unfortunately, this is my main machine and can't keep playing with it down all day long.
