Date: Mon, 7 Mar 2022 16:51:50 -0800 From: Eric Joyner <erj@freebsd.org> To: Franco Fichtner <franco@opnsense.org> Cc: Mark Johnston <markj@freebsd.org>, freebsd-net <freebsd-net@freebsd.org> Subject: Re: debugnet_any_ifnet_update: Bad dn_init result Message-ID: <CA%2Bb0zg9kuoPpggT_Mii3L2QagtZAJb2d=zCXCVdQ3NntoTze9A@mail.gmail.com> In-Reply-To: <304F739C-914D-4675-A60F-80C539830F0C@opnsense.org> References: <EAE6EFB2-CB72-4C32-B56A-9ABDA78F597C@opnsense.org> <YhzhgWA%2B571cfAxa@nuc> <304F739C-914D-4675-A60F-80C539830F0C@opnsense.org>
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[-- Attachment #1 --] On Mon, Feb 28, 2022 at 7:01 AM Franco Fichtner <franco@opnsense.org> wrote: > Hi Mark, > > On 28. Feb 2022, at 15:51, Mark Johnston <markj@freebsd.org> wrote: > > Do you have any idea what triggers the message in the first place? I > haven't seen it on my igb-using systems. > > > No but I have hardware here that does this. Short dmesg scan: > > # dmesg | grep igb2 > igb2: <Intel(R) I210 Flashless (Copper)> port 0x4000-0x401f mem > 0xf7d00000-0xf7d1ffff,0xf7d20000-0xf7d23fff irq 36 at device 0.0 on pci3 > igb2: NVM V0.6 imgtype6 > igb2: Using 1024 TX descriptors and 1024 RX descriptors > igb2: Using 4 RX queues 4 TX queues > igb2: Using MSI-X interrupts with 5 vectors > igb2: Ethernet address: f4:90:ea:00:2d:9d > igb2: netmap queues/slots: TX 4/1024, RX 4/1024 > debugnet_any_ifnet_update: Bad dn_init result from igb2 (ifp > 0xfffff800035ea000), ignoring. > > Context for dn_init messages: > > # dmesg | grep -C1 dn_init > igb0: link state changed to UP > debugnet_any_ifnet_update: Bad dn_init result from igb0 (ifp > 0xfffff80003752800), ignoring. > igb1: link state changed to UP > debugnet_any_ifnet_update: Bad dn_init result from igb1 (ifp > 0xfffff800035e8800), ignoring. > intsmb0: <AMD FCH SMBus Controller> at device 20.0 on pci0 > -- > amdtemp0: <AMD CPU On-Die Thermal Sensors> on hostb5 > debugnet_any_ifnet_update: Bad dn_init result from igb2 (ifp > 0xfffff800035ea000), ignoring. > lagg0: link state changed to DOWN > > It appears this happens on all interfaces that get configured during init. > > The device has a fourth device that doesn't appear to have this issue: > > # dmesg | grep igb3 > igb3: <Intel(R) I210 Flashless (Copper)> port 0x6000-0x601f mem > 0xf7e00000-0xf7e1ffff,0xf7e20000-0xf7e23fff irq 40 at device 0.0 on pci4 > igb3: NVM V0.6 imgtype6 > igb3: Using 1024 TX descriptors and 1024 RX descriptors > igb3: Using 4 RX queues 4 TX queues > igb3: Using MSI-X interrupts with 5 vectors > igb3: Ethernet address: f4:90:ea:00:2d:9e > igb3: netmap queues/slots: TX 4/1024, RX 4/1024 > vlan1: changing name to 'igb3_vlan43' > igb3: promiscuous mode enabled > > Can also share full dmesg if you want or deliver other info. > > > Cheers, > Franco > I'm all for removing that printf(). What are you supposed to do about a "Bad dn_init result from ####", and what's the problem if it's ignored? - Eric [-- Attachment #2 --] <div dir="ltr"><div dir="ltr">On Mon, Feb 28, 2022 at 7:01 AM Franco Fichtner <<a href="mailto:franco@opnsense.org">franco@opnsense.org</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;">Hi Mark,<div><div><br><blockquote type="cite"><div>On 28. Feb 2022, at 15:51, Mark Johnston <<a href="mailto:markj@freebsd.org" target="_blank">markj@freebsd.org</a>> wrote:</div><div><div><br>Do you have any idea what triggers the message in the first place? I<br>haven't seen it on my igb-using systems.<br></div></div></blockquote></div><br></div><div>No but I have hardware here that does this. Short dmesg scan:</div><div><br></div><div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures"># dmesg | grep igb2</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: <Intel(R) I210 Flashless (Copper)> port 0x4000-0x401f mem 0xf7d00000-0xf7d1ffff,0xf7d20000-0xf7d23fff irq 36 at device 0.0 on pci3</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: NVM V0.6 imgtype6</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: Using 1024 TX descriptors and 1024 RX descriptors</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: Using 4 RX queues 4 TX queues</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: Using MSI-X interrupts with 5 vectors</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: Ethernet address: f4:90:ea:00:2d:9d</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">igb2: netmap queues/slots: TX 4/1024, RX 4/1024</span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures">debugnet_any_ifnet_update: Bad dn_init result from igb2 (ifp 0xfffff800035ea000), ignoring.</span></div></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro"">Context for dn_init messages:</div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><br></div><div style="margin:0px;font-stretch:normal;line-height:normal;font-family:"Source Code Pro""><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"># dmesg | grep -C1 dn_init</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb0: link state changed to UP</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">debugnet_any_ifnet_update: Bad dn_init result from igb0 (ifp 0xfffff80003752800), ignoring.</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb1: link state changed to UP</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">debugnet_any_ifnet_update: Bad dn_init result from igb1 (ifp 0xfffff800035e8800), ignoring.</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">intsmb0: <AMD FCH SMBus Controller> at device 20.0 on pci0</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">--</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">amdtemp0: <AMD CPU On-Die Thermal Sensors> on hostb5</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">debugnet_any_ifnet_update: Bad dn_init result from igb2 (ifp 0xfffff800035ea000), ignoring.</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">lagg0: link state changed to DOWN</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">It appears this happens on all interfaces that get configured during init.</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">The device has a fourth device that doesn't appear to have this issue:</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"># dmesg | grep igb3</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: <Intel(R) I210 Flashless (Copper)> port 0x6000-0x601f mem 0xf7e00000-0xf7e1ffff,0xf7e20000-0xf7e23fff irq 40 at device 0.0 on pci4</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: NVM V0.6 imgtype6</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: Using 1024 TX descriptors and 1024 RX descriptors</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: Using 4 RX queues 4 TX queues</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: Using MSI-X interrupts with 5 vectors</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: Ethernet address: f4:90:ea:00:2d:9e</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: netmap queues/slots: TX 4/1024, RX 4/1024</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">vlan1: changing name to 'igb3_vlan43'</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">igb3: promiscuous mode enabled</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">Can also share full dmesg if you want or deliver other info.</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">Cheers,</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">Franco</span></div></span></div></div></div></blockquote><div><br></div>I'm all for removing that printf(). What are you supposed to do about a "Bad dn_init result from ####", and what's the problem if it's ignored?<div><br></div><div>- Eric </div></div></div>
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