On Thu, May 21, 2026 at 10:39:08AM +0200, [email protected] wrote: > 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. Now if you have a spare dual-port em pci-e card around you could try bypassing the bnx(4). bnx(4) is rare enough that bugs may stay undetected for a while.
-- :wq Claudio
