depending on how fast memory is being claimed, usually yeah

Hey there! Sorta a FreeBSD question, sorta a networking question. I'm looking to upgrade my network to 10g fiber, switches are incredibly cheap now. But I also need PCI cards for a FreeBSD machine or two. I understand that I need that card to be compatible with BSD, but does the transceiver need to be compatible as well? I'm seeing intel ones listed in the hardware compatabilty chart, and then I have to

wonder if they'll be compatible with the switch then. Also don't know if I need single mode or multimode SFP+ cables.

Happy to be linked to a resource. I've dug around a lot on this, and haven't found much for helpful resources, and maybe I'm overthinking it - but I'd also like to avoid buying hardware that's not compatible, sorta just want to get things up and going and forget about it for the next 15 years when 40g or whatever is cheap.

wipt: Intel cards only officially support Intel-branded SFPs. unofficially, i've had non-Intel modules work on Intel cards using the FreeBSD ix(4) driver.

the modules on each end of the link do not need to be compatible with each other (that's implied by them both being 10GBASE-LR or whatever) but the module in the switch needs to be compatible with the switch, which varies by switch vendor

for cables, you need to match the transceiver to the cable type. tl;dr: always use 10GBASE-LR over single mode fibre, unless you have existing (legacy) multimode fibre or can't use singlmode for some reason

if you use multimode fibre, you would need 10GBASE-SX instead, and that does need to match, i.e. both ends should -LR or both should be -SR, because they use different wavelengths

i mean -SR, not -SX

also make sure you buy fibre with the right connector, for 10G SFP+ you will almost certainly want duplex (two core) LC, and if you have a choice between APC or UPC, choose UPC

llua ok ty

ivy: Thanks!

just installed 14.3 with zfs and i made the swap too little. there any way to increase the swap size?

swapinfo says the device is /dev/nda0p2 fwiw

wipt: intel cards are well supported in freebsd. i use only singlemode os2 cables with intel cards because changing cards is easier than re-pulling fiber ever few years.

kerneldove, If you just installed 14.3 then you have little invested. Easiest way to change the partitioning is to start again and make another install. It's just easier. A few minutes of work. And it will be done.

ya i will if i have to rwp jc if it can be changed post install tho

It's possible but it is easier to reinstall if you don't have anything invested.

how?

edit fstab and reboot or?

Swap is a partition on the disk. In order to make swap partition larger the zfs data partitions would need to be made smaller.

ah damn fuck that ya i'll reinstall ty

wipt: dac cable is also option if it does not need to be more than 7 meters

Hi guys

Strange problem here.. I suddenly lost connection to my internet using the ethernet, after unplug/replug the cable. The device is connected but no internet. I factory rested router.. but no luck. I think my device is blocked from the router for no reason; bec. any other device I try using the same Lan cable is working fine. Also, pinging the router

ip "192.168.1.1" it retruns back "Host is down" error, and I can see on the router's admin panel an "Lease expired" warning for my device, but it never got any new ip (I tried to set static one on my device, but no luck). I want to mention that I am using that ISP all-in-one router for 11 years now..

tried every way ever I know (like restarting the netif and routing on freebsd) but no luck.

and I am mosaid

These been like that for days can't find fix, so please help me..

You see any errors about your NIC in dmesg? Which way do you wanna go: static or DHCP?

DHCP

wait i will see

So what happens when you do: dhclient IFNAME

only timed out error

A problem with your router seems more likely, than one with FreeBSD

divlamir: reconnected and the router given me a new ip with renewal time, but no internet

So you can ping the router now?

divlamir: I want to mention that the internet connection was lagging after I started using pulsaudio..

before the internet connection stopped

I can't imagine any connection between the two

Check your defalt route: netstat -rn | grep default

still the same Host is down

divlamir: GIves me the gateway ip (192.168.1.1 my router) and every thing else looks fine

I think the problem is my pc cannot connect to the gateway

It gave you an IP, didn't it?

yeah

but cannot connect to the gatway after I get the ip

So you *are* connected to the router

yeah

but no internet

only on my device

divlamir: So strange..

ivy: if you aren't busy could you look at this for me: lists.freebsd.org/archives/freebsd-pf/2025-April/000723.html I posted it ages ago and bumped it but it never got any responses, been thinking about it recently because of EuroBSDCon and all where I am away I use VPN a lot but currently have to hotspot myself and use vpn via my phone.

could just be a config issue on my end

I know you are good with networking so I am asking you :P

I think you also use wireguard yourself, I believe you were the one giving config recommendations on the ML

if you could take a look at it for me I would be grateful, I can't really give you anything in return :/

wait a second

my config has slightly changed since this

lemme try it real quick

I also tried every port on my router.. I confirm that's the strangest thing I ever faced in my whole life

Wait a second I read somewhare few monthes ago, that's a bug in Freebsd when replug ethernet cable the default route will be lost..

you are spreading disinformation Retrofan

heh sorry

I only try to remember

But my route is not lost, Just my pc can't connect to it after I get my IP for no reason :(

Could be my MAC is the problem?

unlikely

So what?

every other device useing the same cable works...

look like it's just a really bad luck :(

ah wow

alright I dont know what it was, I tried now and it works for me

ignore my ping ivy it suddenly just worked, best not to touch it :D

polarian: can you help me..

Retrofan: you lost internet connection when wired

alright pastebin the output of ifconfig please

heh I can't copy it put I will try

if i've got a jail running a previous version of FreeBSD and i run freebsd-update on the host, the jail will still work without modification, right? it's its own little world, all unto itself?

polarian: I couldn't copy it.. it's just the regular result, and I have got a ip form the router

but then router blocks me for no resaon of using the network but I am connected..

Retrofan: what is the status:

that happend after replug the ethernet

status?

yes but the IP can be preserved

just because the IP is there doesn't mean it is working

yes

ifconfig

each iface has a status

Ah

look for the ethernet interface

what is the status of it

preserved

hmm

I forgot that heh

that doesn't sound right

do you have a firewall

on the device

On freebsd

yes

not really at any high level

that doesnt answer the question

do you have a firewall y/n

Let me check

Retrofan: cat /etc/rc.conf | grep -e "pf" -e "firewall"

do you have either enabled?

if not then there is no firewall

FreeBSD has no firewall enabled by default btw

so if you did not set it up then you do not have one

Retrofan: also have you tried restarting the network stack

service netif restart

thorongil, do you mean previous minor version (eg 13.5 vs 13.4) or previous major version (eg 14 vs 13)? If the latter, only if your kernel configuration has the appropriate COMPAT(number) (the GENERIC kernel does).

It's enabled (but allows everything).. so I disabled it

V_PauAmma_V: previous minor version, though in the future possibly major versions, too. thank you for the answer!

polarian:many times

alright dump your ifconfig to pastebin

and share it here

I have to go though

if nobody helps by the time I get back I will try and help

I said I can't no internet

the ifconfig output is required, its impossible to help without seeing the config

take a picture then

and upload it to a cdn

Ah ok

be back later

wait I am doing it

Can't copy it to windows device it fails

corrupted

there any way to track which files in a dir have been opened/accessed recently? i'm trying to figure out exactly which files are used for compiling a bin

kerneldove: ktrace make?

find . -type f -atime -1h

(for accessed in the last hour)

byakuren, will that work even if i'm on zfs? because i think i have atime off by default no?

ooh, that's a good question - it might not - give it go though, no harm in doing so - i don't have an atime-less zfs filesystem to test with at this very moment

if not - then you might have luck with: find . -type f -cmin -60

know how i can verify atime is on or off for my zfs?

zfs get atime

oh actually - yeah it should work

looks like atime is off

what should work?

likewise - forgot what system i was on - and the command worked for me c:

ah

how can "find . -type f -atime -1h" work even when zfs atime is off?

looks like it works for hard file accesses, like touch and editing - but not for soft accesses like cat...etc - so may not work in your case

think i could test it by doing a build then run find . -type f -atime -1m ?

Hi

yeah! give it a go

I got my connection back using wlan usb

no harm in finding out - if not, then tracking will be your friend - i'll whip up my command gimme a sec

So I think it's a cable problem

byakuren, i cleaned the build dir so build was fresh, then ran cargo build in the repo dir, build ran, then i ran the command, and it only outputted .git/index

this should do ya if not find: termbin.com/994f c:

do i replace "make" with "cargo build" ?

yeah

it'll trace whatever command you're doing following it `-f` follows child processes, which i guess you need to see ALL the files it might use

i tried to run it but truss said unable to follow forks for pid xxx operation not permitted. does it require sudo?

huh, works fine for me without sudo-like commands - i've even just tried it in a cargo project

wtf

how can that be

which cargo proj? it public?

i'll test with same 1

i can clone a repo

-rw-r--r-- 1 byakuren byakuren 3.8M Sep 14 22:20 ./truss.log

i chose a repo i just happened to have locally that was fairly complex: github.com/maxcurzi/tplay.git

just cloned it, same command truss -f -o truss.log cargo build, same operation not permitted error hmmm

does it matter im still on 14.1?

can't imagine why it would

errr, i don't know that for sure - but i wouldn't expect it to

you could err run the cargo build, then seperately call truss -f -o truss.log -p PID - with the PID of the cargo build, but that's a bit funky tbh and without sleep in the start of the cargo build process you'll miss the early files

got it!

needed to set security.bsd.unprivileged_proc_debug=1

ohhh of course, i'm so sorry

no prob it's my fault

c:

then i need to grep for open and read, why both jc?

in case you were curious what was read from, and what just opened - no need to if you don't want to

some build processes just open files to check they're present - not neccecarily reading from them, i didn't know if that was your use case - so included both for ya

i tried grepping for the name of the repo (to include only matches for the dir the repo's in) and that seems to cut it down pretty good

neat! you got it :D - yeah you'll have all the data you need, just need to filter it down now

lots of fsstatat, openat, etc

but i think this'll work as a starting point, wow ty??

c: no problem, i'm just glad i could help out

weird, there's only 1 read match for matches of the repo dir name. how can that be?

there's a read() for the repo's .git dir

lots of open and openat in the repo dir tho

lots of realpathat too

grep open truss.log | grep $(basename $PWD) | cut -d '"' -f 2 | sort | uniq

that should filter out the file lines for you you're intrested in - deduped

which syscall is actually reading the contents from the .rs files?

(gimme a sec, just regenerating the truss log from a cargo clean)

looks like a lot of openat and statat

do those read the contents?

openat does

ohhhh ok now it's making sense

\o/

this is starting to look really good (!?) in the output there's 2 forms of path tho which is kinda weird. 1 is the absolute and other is relative. so like /home/kerneldove/testrepo/pkgdir/src/file.rs, other like pkgdir/src/lib.rs. first group is always absolute, 2nd group is relative

i tried it on your tplay repo and it didn't happen so maybe it's not complex enough for that to happen?

are the syscalls for them at the start different? open vs openat - openat takes a directory (something like AT_FDCWD) while open does not

i see pkgdir/src/lib.rs in both styles

i'm not too sure then i'm afraid, as i don't have that file or your repo locally to poke about with

sec

ok git clone --depth 1 github.com/alacritty/alacritty; cd alacritty; truss -f -o truss.log cargo build -p alacritty_terminal; cat truss.log | grep $(basename $PWD) | cut -d '"' -f 2 | sort | uniq

done that

see how 1st group of dirs is absolute /home/..., 2nd lower group is alacritty_terminal/... ?

oh yeah - but only a small number of dirs at the bottom thee

ya, why is that?

ahh - interesting - so when you run a cargo build - it basically scans all the files in the repo at the start for dependency resolution and indexing - so once the resolution and build is formalised, it then actually uses rustc on the relevant files to compile them

so the relative ones at the end are the most relevant for you c:

does that mean the absolute path files aren't used for the actual building? or maybe both resolution/indexing and building?

from what i can gather (i'm not a rust dev) - the relative files are used for building, the absolute ones are used for the dependancy resolution stuff - hence why README files and such are scanned initially absolute, but not at the end relative

hm i wonder if absolutes could be deleted (as long as they aren't also relative) and the build still succeed

you'd prolly still need like the cargo.toml...etc files tho

so you can't just delete the set difference

ya good call. ok well this is amazing, ty so much for helping me figure this out!!

yeah no worries - i'd be curious to know how it goes!

kerneldove: do feel free to ping me if i'm around and you need any help with stuff, i'd love to help out where i can c:

ok i'll do that. what i'm gonna try to make is a tool to autoslim repos to just what needs to be there for the pkg i want to be built

ty i appreciate it :D

:D that sounds great!