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Fulgurance
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Joined: 15 Feb 2017
Posts: 1260
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 Posted: Fri Jan 20, 2023 11:03 am Post subject: Issue with the networking |
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Hi, I take a bit of time to write a problem I have from one month now.
I can't say where this come from exactly, kernel, networkmanager or something else, but this happened randomly.
So, to explain the problem, sometimes, when I'm using my laptop, suddenly some website become unavailable.
At the beginning, I didn't understand why, because my laptop is connected to internet.
I checked on my mobile and the website was online.
I finally realize after few tests, I need to disconnect my laptop to my wifi, and connect it again to it, and finally I can again connect again.
To summarize, when this bug appear, I can't go to some website.
Do you know any bugs or issues reported like that ?
This is my system info:
| Code: | Portage 3.0.44 (python 3.10.9-final-0, default/linux/amd64/17.1/hardened/selinux, gcc-12, glibc-2.36-r6, 6.1.7-gentoo x86_64)
=================================================================
System uname: Linux-6.1.7-gentoo-x86_64-Intel-R-_Core-TM-_i9-10980HK_CPU_@_2.40GHz-with-glibc2.36
KiB Mem: 32472104 total, 20755312 free
KiB Swap: 50331644 total, 50331644 free
Timestamp of repository gentoo: Fri, 20 Jan 2023 10:00:01 +0000
Head commit of repository gentoo: e2bbfd490954155f298f491b2c8408601b722646
Head commit of repository fulgurance-overlay: eadcc18ec465c925285896b711166e5f333ae228
Timestamp of repository steam-overlay: Mon, 16 Jan 2023 21:17:17 +0000
Head commit of repository steam-overlay: 399dcc47ff5087990d25290ecd2f17a61704e41d
sh bash 5.2_p15-r1
ld GNU ld (Gentoo 2.40 p1) 2.40
app-misc/pax-utils: 1.3.6-r1::gentoo
app-shells/bash: 5.2_p15-r1::gentoo
dev-java/java-config: 2.3.1::gentoo
dev-lang/perl: 5.36.0-r2::gentoo
dev-lang/python: 3.10.9::gentoo, 3.11.1::gentoo
dev-lang/rust: 1.66.1::gentoo
dev-util/cmake: 3.25.1::gentoo
dev-util/meson: 1.0.0::gentoo
sec-policy/selinux-base: 2.20221101-r3::gentoo
sys-apps/baselayout: 2.9::gentoo
sys-apps/openrc: 0.46::gentoo
sys-apps/sandbox: 2.30-r1::gentoo
sys-devel/autoconf: 2.13-r7::gentoo, 2.71-r5::gentoo
sys-devel/automake: 1.16.5::gentoo
sys-devel/binutils: 2.40::gentoo
sys-devel/binutils-config: 5.5::gentoo
sys-devel/clang: 14.0.6-r1::gentoo, 15.0.7-r1::gentoo
sys-devel/gcc: 12.2.1_p20221231::gentoo
sys-devel/gcc-config: 2.10::gentoo
sys-devel/libtool: 2.4.7-r1::gentoo
sys-devel/lld: 15.0.7::gentoo
sys-devel/llvm: 14.0.6-r2::gentoo, 15.0.7::gentoo
sys-devel/make: 4.4::gentoo
sys-kernel/linux-headers: 6.1::gentoo (virtual/os-headers)
sys-libs/glibc: 2.36-r6::gentoo
sys-libs/libselinux: 3.4::gentoo
Repositories:
gentoo
location: /var/db/repos/gentoo
sync-type: rsync
sync-uri: rsync://rsync.gentoo.org/gentoo-portage
priority: -1000
volatile: True
sync-rsync-verify-metamanifest: yes
sync-rsync-verify-max-age: 24
sync-rsync-extra-opts:
sync-rsync-verify-jobs: 1
fulgurance-overlay
location: /var/db/repos/fulgurance-overlay
sync-type: git
sync-uri: https://github.com/Fulgurance/fulgurance-overlay.git
masters: gentoo
volatile: True
steam-overlay
location: /var/db/repos/steam-overlay
sync-type: git
sync-uri: https://github.com/gentoo-mirror/steam-overlay.git
masters: gentoo
volatile: True
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=skylake -O2 -pipe -mmovbe -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mpopcnt -mavx -mavx2 -maes -mpclmul -mfsgsbase -mrdrnd -mfma -mbmi -mbmi2 -mf16c -mrdseed -madx -mprefetchwt1 -mclflushopt -mxsavec -mxsaves"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /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 /etc/terminfo"
CXXFLAGS="-march=skylake -O2 -pipe -mmovbe -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mpopcnt -mavx -mavx2 -maes -mpclmul -mfsgsbase -mrdrnd -mfma -mbmi -mbmi2 -mf16c -mrdseed -madx -mprefetchwt1 -mclflushopt -mxsavec -mxsaves"
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="-march=skylake -O2 -pipe -mmovbe -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mpopcnt -mavx -mavx2 -maes -mpclmul -mfsgsbase -mrdrnd -mfma -mbmi -mbmi2 -mf16c -mrdseed -madx -mprefetchwt1 -mclflushopt -mxsavec -mxsaves"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live candy config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch preserve-libs protect-owned qa-unresolved-soname-deps sandbox selinux sesandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-march=skylake -O2 -pipe -mmovbe -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mpopcnt -mavx -mavx2 -maes -mpclmul -mfsgsbase -mrdrnd -mfma -mbmi -mbmi2 -mf16c -mrdseed -madx -mprefetchwt1 -mclflushopt -mxsavec -mxsaves"
GENTOO_MIRRORS="http://www.mirrorservice.org/sites/distfiles.gentoo.org/ http://mirror.rackspace.com/gentoo/ http://mirrors.soeasyto.com/distfiles.gentoo.org/"
LANG="en_GB.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LEX="flex"
MAKEOPTS="-j16"
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 aac acl acpi alsa amd64 audit bluetooth btrfs bzip2 caps cli compat crypt cryptsetup cups custom-cflags custom-optimization dbus device-mapper dhcpcd dri dri3 elogind experimental ffmpeg fortran gdbm git glamor gstreamer hardened iconv ipv6 jpeg jumbo-build kde libglvnd libtirpc lm-sensors lto lvm mp3 mp4 mtp multilib ncurses networkmanager nftables nls nptl ntpl nvenc ogg open_perms opengl openmp pam pcre peer_perms phonon pie plasma png policykit pulseaudio readline seccomp selinux split-usr ssl ssp svg test-rust tiff ubac udev udisks unconfined unicode uvm v4l vorbis vulkan wayland wifi wireless x264 x265 xattr xtpax zlib" ABI_X86="32 64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache 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="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt rdrand sse sse2 sse3 ssse3 sse4_1 sse4_2" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="libinput synaptics" KERNEL="linux" L10N="en en-GB" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LLVM_TARGETS="NVPTX" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-4 php8-0" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_10" PYTHON_TARGETS="python3_10 python3_11" QEMU_SOFTMMU_TARGETS="arm64 x86_64" QEMU_USER_TARGETS="x86_64" RUBY_TARGETS="ruby31" USERLAND="GNU" VIDEO_CARDS="intel i965 iris nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat 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, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS |
Let me know if you need more informations, it's just I don't know exactly where this problem come from
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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alamahant
Advocate
Joined: 23 Mar 2019
Posts: 3958
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| Posted: Fri Jan 20, 2023 11:06 am Post subject: |
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Use
in /etc/resolv.conf when this happens.
Which website?
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Fulgurance
Veteran
Joined: 15 Feb 2017
Posts: 1260
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| Posted: Sat Jan 21, 2023 11:47 am Post subject: |
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I don't remember which website because this bug occur completely randomly...
I tried your solution, but the problem is NetworkManager rewrite often this file.
And it doesn't solve the problem. I had again to disconnect NetworkManager to the wifi and connect it again.
Is it a bug with NetworkManager ???
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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Fulgurance
Veteran
Joined: 15 Feb 2017
Posts: 1260
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| Posted: Wed Mar 15, 2023 11:28 am Post subject: |
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Hi, It's me again. Sorry but I need help because this annoying problem persist, and when I change /etc/resolv.conf, later this file is overwrited
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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pietinger
Moderator
Joined: 17 Oct 2006
Posts: 5491
Location: Bavaria
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Fulgurance
Veteran
Joined: 15 Feb 2017
Posts: 1260
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| Posted: Sun Mar 19, 2023 11:33 am Post subject: |
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So, I enabled resolvconf use flag for NetworkManager, and I edit again /etc/resolv.conf file, but it was overwrited again.
This is all informations I have actually. Sorry I am not very good to manage network configuration:
NetworkManager configuration:
| Code: | [I] net-misc/networkmanager
Available versions: 1.40.12^t (~)1.40.16^t (~)1.42.0^t (~)1.42.2^t (~)1.42.4^t {audit bluetooth +concheck connection-sharing debug dhclient dhcpcd elogind gnutls +gtk-doc +introspection iptables iwd libedit lto +modemmanager nftables +nss ofono ovs policykit +ppp psl resolvconf selinux syslog systemd teamd test +tools vala +wext +wifi ABI_MIPS="n32 n64 o32" ABI_S390="32 64" ABI_X86="32 64 x32"}
Installed versions: 1.42.4^t(11:48:28 16/03/23)(audit bluetooth concheck dhcpcd elogind gtk-doc introspection lto modemmanager nftables nss policykit ppp resolvconf selinux tools wext wifi -connection-sharing -debug -dhclient -gnutls -iptables -iwd -libedit -ofono -ovs -psl -syslog -systemd -teamd -test -vala ABI_MIPS="-n32 -n64 -o32" ABI_S390="-32 -64" ABI_X86="32 64 -x32")
Homepage: https://wiki.gnome.org/Projects/NetworkManager
Description: A set of co-operative tools that make networking simple and straightforward |
My /etc/resolv.conf file:
| Code: | # Generated by resolvconf
search home
nameserver 192.168.1.1
nameserver 2a01:cb05:5a1:7000:4a29:52ff:fe16:df00 |
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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wjb
l33t
Joined: 10 Jul 2005
Posts: 648
Location: Fife, Scotland
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| Posted: Sun Mar 19, 2023 12:19 pm Post subject: |
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| Does dmesg show anything when the network drops? |
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Fulgurance
Veteran
Joined: 15 Feb 2017
Posts: 1260
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| Posted: Tue Mar 28, 2023 9:22 am Post subject: |
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Sorry I was very long to reply, but this bug is completely random, it's hard. I finally get the dmesg output:
https://ctxt.io/2/AACQwk7IEA
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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wjb
l33t
Joined: 10 Jul 2005
Posts: 648
Location: Fife, Scotland
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| Posted: Tue Mar 28, 2023 10:57 am Post subject: |
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That didn't last very long ....
| Quote: | | Paste expired or not found |
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stefan11111
l33t
Joined: 29 Jan 2023
Posts: 954
Location: Romania
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| Posted: Tue Mar 28, 2023 11:04 am Post subject: |
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| wjb wrote: | That didn't last very long ....
| Quote: | | Paste expired or not found |
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I circumvent such problems with github:
https://github.com/stefan11111/pastebin
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My overlay: https://github.com/stefan11111/stefan_overlay
INSTALL_MASK="/etc/systemd /lib/systemd /usr/lib/systemd /usr/lib/modules-load.d *udev* /usr/lib/tmpfiles.d *tmpfiles* /var/lib/dbus /usr/bin/gdbus /lib/udev" |
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Fulgurance
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Joined: 15 Feb 2017
Posts: 1260
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| Posted: Tue Mar 28, 2023 11:29 am Post subject: |
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So if it's like that, we need to wait the next time when this bug will occur again 
I didn't copy the text
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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Fulgurance
Veteran
Joined: 15 Feb 2017
Posts: 1260
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| Posted: Sun Apr 02, 2023 9:57 pm Post subject: |
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Hi again ! So I've got again this bug, now I can share you the dmesg output:
Link: https://snippet.host/miozaf
It's at the very end of the output I think
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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wjb
l33t
Joined: 10 Jul 2005
Posts: 648
Location: Fife, Scotland
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| Posted: Mon Apr 03, 2023 10:25 am Post subject: |
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These don't look good (starting at 10:25:44):
| Quote: | | Route cache is full: consider increasing sysctl net.ipv6.route.max_size |
Googling the message brings up a bunch of suggestions, which boil down to increasing the cache size.
It's worth checking this message does not turn up (as much?) in sessions when you don't have problems.
On my system, the ipv6 value is way smaller than the ipv4 value, same as reported by other google search hits:
| Code: | # sysctl net.ipv6.route.max_size
net.ipv6.route.max_size = 4096
# sysctl net.ipv4.route.max_size
net.ipv4.route.max_size = 2147483647
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(I don't use ipv6) |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 55015
Location: 56N 3W
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| Posted: Mon Apr 03, 2023 11:24 am Post subject: |
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wjb,
I do use IPv6 with those same numbers.
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Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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Fulgurance
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Joined: 15 Feb 2017
Posts: 1260
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| Posted: Mon Apr 03, 2023 6:10 pm Post subject: |
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When you say this don't look good, it's very alarming ? Or i just need some adjustment ?
I have the same result as you:
| Code: | zohran@alienware-m17-r3 ~ $ sysctl net.ipv6.route.max_size
net.ipv6.route.max_size = 4096
zohran@alienware-m17-r3 ~ $ sysctl net.ipv4.route.max_size
net.ipv4.route.max_size = 2147483647
zohran@alienware-m17-r3 ~ $ |
I don't know if the problem can come from that, but I use plasma-firewall with firewalld, and nftables
_________________
My actual project: https://github.com/Fulgurance/ISM
Ingenius Software Manager is a tool to build and manage a Linux system from scratch.
It will able to manage a linux installation just with a given path to the futur root path |
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wjb
l33t
Joined: 10 Jul 2005
Posts: 648
Location: Fife, Scotland
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| Posted: Thu Apr 06, 2023 11:38 pm Post subject: |
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NeddySeagoon/Fulgurance, it's probably worth comparing your kernel configs for CONFIG_IPV6_*
Also, some idea of the number of routes you have normally and when things go wrong, because the error message is that its failed to allocate an entry (in the ipv6 FIB) when it needed to.
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Networking & Security
