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glz
n00b
Joined: 25 Apr 2024
Posts: 13
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 Posted: Sat Jun 15, 2024 12:22 pm Post subject: [solved] no network connection with dhcpcd |
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hi there, i am having trouble connecting my pc to the network. i am using the distribution kernel, and the network worked for me for a long time, but now it has stopped working. I also have a dual boot with Windows and in Windows the network works fine. I also cannot ping the router in Gentoo. I have searched other gentoo forum posts and none of their solutions worked for me, here are some commands I used that might help with the diagnosis:
| Code: |
ip route:
default dev enp7s0 scope link src 169.254.143.28 metric 1001002
169.254.0.0/16 dev enp7s0 scope link src 169.254.143.28 metric 1002
ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host proto kernel_lo
valid_lft forever preferred_lft forever
2: enp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether e0:d5:5e:aa:5b:02 brd ff:ff:ff:ff:ff:ff
inet 169.254.143.28/16 brd 169.254.255.255 scope global noprefixroute enp7s0
valid_lft forever preferred_lft forever
inet6 fe80::537e:1d60:3b57:4470/64 scope link
valid_lft forever preferred_lft forever
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when starting dhcpcd manually, i get this:
| Code: |
dhcpcd enp7s0:
dhcpcd-10.0.6 starting
DUID 00:01:00:01:2d:a3:0d:88:e0:d5:5e:aa:5b:02
enp7s0: IAID 5e:aa:5b:02
enp7s0: soliciting an IPv6 router
enp7s0: Router Advertisement from fe80::1
enp7s0: requesting DHCPv6 information
enp7s0: soliciting a DHCP lease
enp7s0: REPLY6 received from fe80::1
enp7s0: refresh in 86400 seconds
enp7s0: using IPv4LL address 169.254.143.28
enp7s0: adding route to 169.254.0.0/16
enp7s0: adding default route
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dmesg is on pastebin, because its too big: https://pastebin.com/4HNJ7FW2
Last edited by glz on Tue Jun 18, 2024 7:29 pm; edited 1 time in total |
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Banana
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Joined: 21 May 2004
Posts: 1713
Location: Germany
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glz
n00b
Joined: 25 Apr 2024
Posts: 13
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| Posted: Sat Jun 15, 2024 4:15 pm Post subject: |
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what do you mean, by | Quote: | | how your network is configured |
?
so far i tried to use dhcpcd with the -n in order to get a new lease, however, it did not help. also, i looked if there are any other services that may use the network adapter, but i did not find any. i also tried adding the network manually via ip address add 192.168.2.(...) since my network uses 192.168.2.(...) i did not know what numbers to put at the end, so i choose random ones. Windows on the same PC uses 192.168.2.100, i tried that number too, and that also did not work. |
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pingtoo
Veteran
Joined: 10 Sep 2021
Posts: 1223
Location: Richmond Hill, Canada
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| Posted: Sat Jun 15, 2024 5:42 pm Post subject: |
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I think Banana is asking which method you choose to setup network configuration on the machine.
Gentoo have multiple way to configure network stack on machine, some can coexist, some cannot. we need to understand which method you are using in order to think where to examine.
Please see Gentoo wiki Network management for detail. |
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Banana
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Location: Germany
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glz
n00b
Joined: 25 Apr 2024
Posts: 13
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| Posted: Sat Jun 15, 2024 8:56 pm Post subject: |
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| i just followed the handbook, i think i am just using dhcpcd and not netifrc. Also, my "/etc/conf.d/net" does not exist, so i think i am not using netifrc. Yes, i do have full access to my router. |
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Banana
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glz
n00b
Joined: 25 Apr 2024
Posts: 13
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| Posted: Sun Jun 16, 2024 2:31 pm Post subject: |
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| in the router my windows machiene shows up, and my linux machiene does not. My router does not have an error log. |
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toralf
Developer
Joined: 01 Feb 2004
Posts: 3938
Location: Hamburg
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| Posted: Sun Jun 16, 2024 3:06 pm Post subject: |
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Well, since few days I do have problems in getting a DHCP too (from my DSL router, WLAN would be fine). Currently I try to circumvent it by | Code: | $ cat /etc/conf.d/net
config_wlp2s0="null"
dhcpcd_enp5s0f3u1u1="-t 10"
dhcpcd_enp5s0f4u1u1="-t 10"
routes="
default via fe80::1
"
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*and* by changing the USB-C port I do use to connect to the docking station, so that the "3" eth device is use first.
However I'm unsure about the root cause. |
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Hu
Administrator
Joined: 06 Mar 2007
Posts: 22602
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| Posted: Sun Jun 16, 2024 3:35 pm Post subject: |
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| What changed between when this last worked and when it first failed? OP: what is the content of /etc/conf.d/net on the affected machine? |
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Banana
Moderator
Joined: 21 May 2004
Posts: 1713
Location: Germany
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| Posted: Sun Jun 16, 2024 3:48 pm Post subject: |
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| Hu wrote: | | What changed between when this last worked and when it first failed? OP: what is the content of /etc/conf.d/net on the affected machine? |
As stated, OP does use "dhcpcd and not netifrc"
Maybe a kernel config change? (I do not use dhcp with my gentoo machines...)
please provide the output of emerge --info
_________________
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glz
n00b
Joined: 25 Apr 2024
Posts: 13
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| Posted: Sun Jun 16, 2024 5:16 pm Post subject: |
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| Code: |
emerge --info
setlocale: unsupported locale setting
setlocale: unsupported locale setting
Portage 3.0.63 (python 3.11.9-final-0, default/linux/amd64/23.0/desktop/plasma, gcc-13, glibc-2.38-r13, 6.6.30-gentoo-dist x86_64)
=================================================================
System uname: Linux-6.6.30-gentoo-dist-x86_64-AMD_Ryzen_7_2700X_Eight-Core_Processor-with-glibc2.38
KiB Mem: 32777632 total, 30930948 free
KiB Swap: 12582908 total, 12582908 free
Timestamp of repository gentoo: Fri, 17 May 2024 12:30:00 +0000
Head commit of repository gentoo: 9fefd7dc2b450a1384cc01b67fd9c90395543fd7
Head commit of repository librewolf: 169a056a843389d850501d1ff6639b7befd59b61
Timestamp of repository steam-overlay: Fri, 17 May 2024 12:20:53 +0000
Head commit of repository steam-overlay: 50cd00c3db1b246b78295a54101cc1b0ba385c64
sh bash 5.1_p16-r6
ld GNU ld (Gentoo 2.42 p3) 2.42.0
app-misc/pax-utils: 1.3.7::gentoo
app-shells/bash: 5.1_p16-r6::gentoo
dev-build/autoconf: 2.71-r7::gentoo
dev-build/automake: 1.16.5-r2::gentoo
dev-build/cmake: 3.28.5::gentoo
dev-build/libtool: 2.4.7-r4::gentoo
dev-build/make: 4.4.1-r1::gentoo
dev-build/meson: 1.4.0-r1::gentoo
dev-java/java-config: 2.3.3-r1::gentoo
dev-lang/perl: 5.38.2-r3::gentoo
dev-lang/python: 3.11.9::gentoo, 3.12.3::gentoo
dev-lang/rust-bin: 1.77.1::gentoo
sys-apps/baselayout: 2.15::gentoo
sys-apps/openrc: 0.54::gentoo
sys-apps/sandbox: 2.38::gentoo
sys-devel/binutils: 2.42-r1::gentoo
sys-devel/binutils-config: 5.5::gentoo
sys-devel/gcc: 13.2.1_p20240210::gentoo
sys-devel/gcc-config: 2.11::gentoo
sys-devel/llvm: 17.0.6::gentoo
sys-kernel/linux-headers: 6.6-r1::gentoo (virtual/os-headers)
sys-libs/glibc: 2.38-r13::gentoo
Repositories:
gentoo
location: /var/db/repos/gentoo
sync-type: rsync
sync-uri: rsync://rsync.gentoo.org/gentoo-portage
priority: -1000
volatile: False
sync-rsync-verify-max-age: 3
sync-rsync-verify-metamanifest: yes
sync-rsync-extra-opts:
sync-rsync-verify-jobs: 1
librewolf
location: /var/db/repos/librewolf
sync-type: git
sync-uri: https://codeberg.org/librewolf/gentoo.git
masters: gentoo
volatile: False
steam-overlay
location: /var/db/repos/steam-overlay
sync-type: git
sync-uri: https://github.com/gentoo-mirror/steam-overlay.git
masters: gentoo
volatile: False
Binary Repositories:
gentoobinhost
priority: 1
sync-uri: https://distfiles.gentoo.org/releases/amd64/binpackages/23.0/x86-64
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=znver1 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d"
CXXFLAGS="-O2 -march=znver1 -pipe"
DISTDIR="/var/cache/distfiles"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME"
FCFLAGS="-O2 -march=znver1 -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync merge-wait multilib-strict network-sandbox news parallel-fetch pid-sandbox pkgdir-index-trusted preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -march=znver1 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs"
LEX="flex"
MAKEOPTS="-j8"
PKGDIR="/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
SHELL="/bin/bash"
USE="X a52 aac acl acpi activities alsa amd64 bluetooth branding bzip2 cairo cdda cdr cet crypt cups dbus declarative dist-kernel dri dts dvd dvdr elogind encode exif flac gdbm gif gpm gtk gui iconv icu ipv6 jpeg kde kernel-install kwallet lcms libnotify libtirpc mad mng mp3 mp4 mpeg multilib ncurses networkmanager nls nvidia ogg opengl openmp pam pango pcre pdf pipewire plasma png policykit ppds pulseaudio qml qt5 readline savedconfig screencast sdl seccomp semantic-desktop sound spell ssl startup-notification svg test-rust tiff truetype udev udisks unicode upower usb vorbis vulkan wayland widgets wxwidgets x264 xattr xcb xft xinerama xml xv xvid zlib" ABI_X86="64" ADA_TARGET="gcc_12" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_anon authn_dbm authn_file authz_dbm authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir env expires ext_filter file_cache filter headers include info log_config logio mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 aes avx avx2 f16c fma3 pclmul popcnt rdrand sha sse3 sse4_1 sse4_2 sse4a ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 ntrip navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-1" POSTGRES_TARGETS="postgres15" PYTHON_SINGLE_TARGET="python3_11" PYTHON_TARGETS="python3_11" RUBY_TARGETS="ruby31" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto logmark ipmark dhcpmac delude chaos account"
Unset: ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PYTHONPATH, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS
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glz
n00b
Joined: 25 Apr 2024
Posts: 13
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| Posted: Tue Jun 18, 2024 7:28 pm Post subject: |
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so, after a lot of trial and error, i fixed it by adding this to my /etc/dhcpcd.conf
| Code: |
interface enp7s0
static ip_address=192.168.2.100
static routers=192.168.2.1
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this in itself would not work , i had to go to my pc on my router settings page, and tick a box that said "always the same ipv4". both of these things had to be done in order to get networking to work again. |
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Networking & Security
