Date: Sat, 23 Aug 2025 22:32:05 -0700 From: Kevin Bowling <kevin.bowling@kev009.com> To: R Tyler Croy <rtyler@brokenco.de> Cc: Karl Denninger <karl@denninger.net>, freebsd-net@freebsd.org Subject: Re: Intermittent failure of routing/gateway with ix(4) (x86_64) Message-ID: <CAK7dMtAMCCGrpJt4=RDxsBdit-phDLtzF3V=dEMm%2BeQNbUJQvw@mail.gmail.com> In-Reply-To: <sSicWwTvxOBE6MKtGEVz2jjuAVg4HK5nhZtn1KCEnBNhAyDNlVzWQFXPgAcaj2tDBDKSLQ7RHU3QXeaUbuQVkR4MWcTtiBBejX0k69IYFjA=@brokenco.de> References: <6HcKz3OxJSnjZdoCr4I0mksk9RemKJflHVgnkYI8-FydM4mDDldzTm8qthQ0iJCftaETOVeQFde4fz5i1703B8Gd2ZBvPmBwF_MMnhuJ8VM=@brokenco.de> <7f463f6f-3a6e-47db-aab8-7817cc6192a5@denninger.net> <sSicWwTvxOBE6MKtGEVz2jjuAVg4HK5nhZtn1KCEnBNhAyDNlVzWQFXPgAcaj2tDBDKSLQ7RHU3QXeaUbuQVkR4MWcTtiBBejX0k69IYFjA=@brokenco.de>
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On Sat, Aug 23, 2025 at 6:32=E2=80=AFPM R Tyler Croy <rtyler@brokenco.de> w= rote: > > (replies inline) > > > On Saturday, August 23rd, 2025 at 6:24 PM, Karl Denninger <karl@denninger= .net> wrote: > > > > > > What physical hardware is on that driver? > > > > > I have a box here with two ix interfaces in it that is my edge router a= nd beat the SNOT out of it without problems. This is what the boot messages= are for them in my machine here: > > > These are both identical 10GigE NICs, from dmesg > > ix0: <Intel(R) X540-AT2> mem 0xe0400000-0xe05fffff,0xe0600000-0xe0603fff = irq 18 at device 0.0 on pci1 > ix0: Using 2048 TX descriptors and 2048 RX descriptors > ix0: Using 2 RX queues 2 TX queues > ix0: Using MSI-X interrupts with 3 vectors > ix0: allocated for 2 queues > ix0: allocated for 2 rx queues > ix0: Ethernet address: a0:36:9f:38:44:a8 > ix0: PCI Express Bus: Speed 5.0GT/s Width x8 > ix0: fw 4.2.0 nvm 4.03.0 eTrack 0x8000037c > ix0: netmap queues/slots: TX 2/2048, RX 2/2048 ix is generally regarded as stable as others have stated. It would be helpful to see 'sysctl dev.ix' after a stall, and maybe a clean one prior to it. On X540 I'd pay some attention to thermals, the PHY generates a real amount of heat. > > System: FreeBSD 14.2-RELEASE-p4 > > When I was chasing that arpresolve warning I saw in the console, I did se= e some discussion like this (https://be-virtual.net/pfsense-arpresolve-cant= -allocate-llinfo-for-x-x-x-x-on-emx/) about funky routers on the other end = of the link causing trouble. Since this is a newer fiber rollout from my lo= cal ISP (Sonic) I wouldn't be surprised if there was something funky happen= ing there. Since the LAN-side routing goes haywire, I'm thinking that's a r= ed herring. > > > > Cheers >
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