06.01.2026 17:30, Klemens Nanni пишет:
> 20.12.2025 22:06, Klemens Nanni пишет:
>> After sysupgrading my Ubiquiti EdgeRouter 6P home router on 18.12.26 from
>> what's probably a one (two tops) week old snap to
>>
>> OpenBSD 7.8-current (GENERIC.MP) #112: Fri Dec 12 22:29:50 MST 2025
>>
>> the network dies completely after about a day of uptime:
>>
>> cnmac5: cannot allocate command buffer from free pool allocator
>> cnmac5: failed to transmit packet
>
> Same with
>
> OpenBSD 7.8-current (GENERIC.MP) #120: Mon Dec 29 00:57:14 MST 2025
> [email protected]:/usr/src/sys/arch/octeon/compile/GENERIC.MP
>
> I'll probably try a -current kernel next with all those uvm fixes/backouts.
Same with this; once after days, once after 13 minutes of uptime:
OpenBSD 7.8-current (GENERIC.MP) #124: Wed Jan 14 11:01:22 MST 2026
I'll upgrade later today:
OpenBSD 7.8-current (GENERIC.MP) #129: Thu Jan 22 09:49:17 MST 2026
>
>>
>> This gets spammed every second for multiple used cnmac(4) interfaces,
>> dhcp[6]leased fail to get leases/prefixes over [vlan over] cnmac,
>> IPv6 link-local via vport over veb-with-cnmac is unreachable,
>> I can only connect via serial console and for now reboot the machine.
>>
>> The previous snap's dmesg rotated out due to log spam as this usually
>> happens when I'm not around:
>>
>> er-6p# zgrep -c -e 'failed to transmit packet' /var/log/messages.?.gz
>>
>> /var/log/messages.0.gz:3778
>> /var/log/messages.1.gz:5399
>> /var/log/messages.2.gz:7640
>> /var/log/messages.3.gz:8378
>> /var/log/messages.4.gz:8327
>>
>> (syslog's dedup doesn't kick in since the two lines alternate.)
>>
>> This is the second time since that upgrade, no reboots other than the two
>> to promptly restore networking at home.
>>
>> Previously it worked for months on 7.8-stable, then weeks on periodic 7.8
>> snaps.
>>
>> The only change in network config was a) simplifying vlan/vport/veb/cnmac
>> into
>> vlan/cnmac after dlg's vlan-aware veb and b) mounting NFS over cnmac as
>> client
>> for occasional builds.
>>
>> Given that the allocation failures happen on cnmac interfaces outside of
>> these
>> constructs, I conclude they have nothing to do with it.
>>
>>
>> I'll try to extract more info via console once it happens while I'm around.
>>
>>
>>
>> [ using 776072 bytes of bsd ELF symbol table ]
>> Copyright (c) 1982, 1986, 1989, 1991, 1993
>> The Regents of the University of California. All rights reserved.
>> Copyright (c) 1995-2025 OpenBSD. All rights reserved.
>> https://www.OpenBSD.org
>>
>> OpenBSD 7.8-current (GENERIC.MP) #112: Fri Dec 12 22:29:50 MST 2025
>> [email protected]:/usr/src/sys/arch/octeon/compile/GENERIC.MP
>> real mem = 1073741824 (1024MB)
>> avail mem = 1035124736 (987MB)
>> random: good seed from bootblocks
>> mainbus0 at root: board 20300 rev 1.23, model cavium,ubnt_e300
>> cpu0 at mainbus0: CN70xx/CN71xx CPU rev 0.2 1000 MHz, CN70xx/CN71xx FPU rev
>> 0.0
>> cpu0: cache L1-I 78KB 39 way D 32KB 32 way, L2 1024KB 8 way
>> cpu1 at mainbus0: CN70xx/CN71xx CPU rev 0.2 1000 MHz, CN70xx/CN71xx FPU rev
>> 0.0
>> cpu1: cache L1-I 78KB 39 way D 32KB 32 way, L2 1024KB 8 way
>> cpu2 at mainbus0: CN70xx/CN71xx CPU rev 0.2 1000 MHz, CN70xx/CN71xx FPU rev
>> 0.0
>> cpu2: cache L1-I 78KB 39 way D 32KB 32 way, L2 1024KB 8 way
>> cpu3 at mainbus0: CN70xx/CN71xx CPU rev 0.2 1000 MHz, CN70xx/CN71xx FPU rev
>> 0.0
>> cpu3: cache L1-I 78KB 39 way D 32KB 32 way, L2 1024KB 8 way
>> clock0 at mainbus0: int 5
>> octcrypto0 at mainbus0
>> iobus0 at mainbus0
>> simplebus0 at iobus0: "soc"
>> "bootbus" at simplebus0 not configured
>> octciu0 at simplebus0
>> octcib0 at simplebus0: max-bits 23
>> octcib1 at simplebus0: max-bits 12
>> octcib2 at simplebus0: max-bits 6
>> octcib3 at simplebus0: max-bits 15
>> octcib4 at simplebus0: max-bits 4
>> octcib5 at simplebus0: max-bits 11
>> octcib6 at simplebus0: max-bits 11
>> octgpio0 at simplebus0: 20 pins, xbit 16
>> octsmi0 at simplebus0
>> octsmi1 at simplebus0
>> octpip0 at simplebus0
>> octgmx0 at octpip0 interface 0
>> cnmac0 at octgmx0: port 0 SGMII, address 74:83:c2:11:8c:97
>> ukphy0 at cnmac0 phy 4: Generic IEEE 802.3u media interface, rev. 2: OUI
>> 0x0001c1, model 0x000c
>> cnmac1 at octgmx0: port 1 SGMII, address 74:83:c2:11:8c:98
>> ukphy1 at cnmac1 phy 5: Generic IEEE 802.3u media interface, rev. 2: OUI
>> 0x0001c1, model 0x000c
>> cnmac2 at octgmx0: port 2 SGMII, address 74:83:c2:11:8c:99
>> ukphy2 at cnmac2 phy 6: Generic IEEE 802.3u media interface, rev. 2: OUI
>> 0x0001c1, model 0x000c
>> cnmac3 at octgmx0: port 3 SGMII, address 74:83:c2:11:8c:9a
>> ukphy3 at cnmac3 phy 7: Generic IEEE 802.3u media interface, rev. 2: OUI
>> 0x0001c1, model 0x000c
>> octgmx1 at octpip0 interface 1
>> cnmac4 at octgmx1: port 16 SGMII, address 74:83:c2:11:8c:9b
>> ukphy4 at cnmac4 phy 8: Generic IEEE 802.3u media interface, rev. 0: OUI
>> 0x0001c1, model 0x0027
>> cnmac5 at octgmx1: port 17 SGMII, address 74:83:c2:11:8c:9c
>> ukphy5 at cnmac5 phy 9: Generic IEEE 802.3u media interface, rev. 0: OUI
>> 0x0001c1, model 0x0027
>> octsctl0 at simplebus0: disabled
>> octxctl0 at simplebus0: DWC3 rev 0x250a
>> xhci0 at octxctl0, xHCI 1.0
>> usb0 at xhci0: USB revision 3.0
>> uhub0 at usb0 configuration 1 interface 0 "Generic xHCI root hub" rev
>> 3.00/1.00 addr 1
>> octxctl1 at simplebus0: DWC3 rev 0x250a
>> xhci1 at octxctl1, xHCI 1.0
>> usb1 at xhci1: USB revision 3.0
>> uhub1 at usb1 configuration 1 interface 0 "Generic xHCI root hub" rev
>> 3.00/1.00 addr 1
>> "i2c" at simplebus0 not configured
>> "i2c" at simplebus0 not configured
>> com0 at simplebus0: ns16550a, 64 byte fifo
>> com0: console
>> com1 at simplebus0: ns16550a, 64 byte fifo
>> com1: probed fifo depth: 0 bytes
>> octmmc0 at simplebus0
>> sdmmc0 at octmmc0: 8-bit, mmc high-speed
>> "spi" at simplebus0 not configured
>> "ocla0" at simplebus0 not configured
>> "dma-engine" at simplebus0 not configured
>> "dma-engine" at simplebus0 not configured
>> octrng0 at iobus0 base 0x1400000000000 irq 0
>> octpcie0 at iobus0: 3 ports
>> octpcie0 port 0: link timeout
>> octpcie0 port 1: reset timeout
>> octpcie0 port 2: reset timeout
>> uplcom0 at uhub0 port 1 configuration 1 interface 0 "Prolific Technology
>> Inc. USB-Serial Controller" rev 1.10/3.00 addr 2
>> ucom0 at uplcom0: usb0.0.00001.0
>> scsibus0 at sdmmc0: 2 targets, initiator 0
>> sd0 at scsibus0 targ 1 lun 0: <Kingston, MMC4GB, 0000> removable
>> sd0: 3728MB, 512 bytes/sector, 7634944 sectors
>> vscsi0 at root
>> scsibus1 at vscsi0: 256 targets
>> softraid0 at root
>> scsibus2 at softraid0: 256 targets
>> root on sd0a (3f2504aabc6eee02.a) swap on sd0b dump on sd0b
>> WARNING: CHECK AND RESET THE DATE!
>>
>
