[Bug]: PROCFILE: Cannot rewind on file '/proc/596204/net/dev #21365
Description
Bug description
On (some?) Ubuntu 24.04 installs, I see that stuff like dev, netstat, sockstat, sockstat6 sometimes cannot be dealt with in Netdata, resulting in no network metrics within Netdata.
Nov 28 07:44:33 testing-environment netdata[596204]: PROCFILE: Cannot rewind on file '/proc/596204/net/dev'.
Nov 28 07:44:34 testing-environment netdata[596204]: PROCFILE: Cannot rewind on file '/proc/596204/net/sockstat'.
Nov 28 07:44:34 testing-environment netdata[596204]: PROCFILE: Cannot rewind on file '/proc/596204/net/sockstat6'.
Nov 28 07:44:34 testing-environment netdata[596204]: PROCFILE: Cannot rewind on file '/proc/596204/net/netstat'.
If logged in as netdata user and I do a cat I see the following:
$ cat /proc/596204/net/dev
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
lo: 391667643 2553936 0 0 0 0 0 0 391667643 2553936 0 0 0 0 0 0
enp8s0f0np0: 36749842850 61828283 46 0 0 0 0 13312 53678717105 60051965 0 0 0 0 0 0
enp8s0f1np1: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
But somehow, Netdata doesn't seem to like this.
Can restart the server and netdata as many times as I want, but somehow doesn't seem to help either.
Expected behavior
Ideally return metrics
Steps to reproduce
- Netdata + Ubuntu 24.04 (e.g. OVH image)
Installation method
kickstart.sh
System info
Linux testing-environment 6.14.0-36-generic #36~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Oct 15 15:45:17 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
/etc/lsb-release:DISTRIB_ID=Ubuntu
/etc/lsb-release:DISTRIB_RELEASE=24.04
/etc/lsb-release:DISTRIB_CODENAME=noble
/etc/lsb-release:DISTRIB_DESCRIPTION="Ubuntu 24.04.3 LTS"
/etc/os-release:PRETTY_NAME="Ubuntu 24.04.3 LTS"
/etc/os-release:NAME="Ubuntu"
/etc/os-release:VERSION_ID="24.04"
/etc/os-release:VERSION="24.04.3 LTS (Noble Numbat)"
/etc/os-release:VERSION_CODENAME=noble
/etc/os-release:ID=ubuntu
/etc/os-release:ID_LIKE=debian
/etc/os-release:UBUNTU_CODENAME=noble
/etc/os-release:LOGO=ubuntu-logoNetdata build info
time=2025-11-28T07:51:41.387Z comm=netdata source=daemon level=notice errno="2, No such file or directory" tid=602538 msg="CONFIG: cannot load user config '/opt/netdata/etc/netdata/stream.conf'. Will try stock config."
Packaging:
Netdata Version ____________________________________________ : v2.8.1
Installation Type __________________________________________ : kickstart-static
Package Architecture _______________________________________ : x86_64
Package Distro _____________________________________________ : unknown
Configure Options __________________________________________ : cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_C_STANDARD=11 -DCMAKE_CXX_STANDARD=14 -DBUILD_SHARED_LIBS=On -DCMAKE_C_FLAGS='-march=x86-64 -O2 -pipe -funroll-loops -I/openssl-static/include -I/libnetfilter-acct-static/include/libnetfilter_acct -I/curl-local/include/curl -I/usr/include/libmnl -static -fexceptions -fstack-protector-strong -D_FORTIFY_SOURCE=2 -fstack-clash-protection -fcf-protection=full -ffunction-sections -fdata-sections -Wno-builtin-macro-redefined -fno-omit-frame-pointer -funwind-tables -fasynchronous-unwind-tables' -DCMAKE_CXX_FLAGS=' -march=x86-64 -O2 -pipe -funroll-loops -I/openssl-static/include -I/libnetfilter-acct-static/include/libnetfilter_acct -I/curl-local/include/curl -I/usr/include/libmnl -static -fexceptions -fstack-protector-strong -D_FORTIFY_SOURCE=2 -fstack-clash-protection -fcf-protection=full -ffunction-sections -fdata-sections -Wno-builtin-macro-redefined -fno-omit-frame-pointer -funwind-tables -fasynchronous-unwind-tables' -DCMAKE_COMPILE_DEFINITIONS='_GNU_SOURCE' -DCMAKE_EXE_LINKER_FLAGS='-Wl,--gc-sections -L/openssl-static/lib64 -L/libnetfilter-acct-static/lib -lnetfilter_acct -L/usr/lib -lmnl -L/usr/lib -lzstd -L/curl-local/lib -static -static -fexceptions -fstack-protector-strong -D_FORTIFY_SOURCE=2 -fstack-clash-protection -fcf-protection=full -ffunction-sections -fdata-sections -Wno-builtin-macro-redefined -rdynamic' -DCMAKE_SHARED_LINKER_FLAGS='-Wl,--gc-sections -L/openssl-static/lib64 -L/libnetfilter-acct-static/lib -lnetfilter_acct -L/usr/lib -lmnl -L/usr/lib -lzstd -L/curl-local/lib'
Default Directories:
User Configurations ________________________________________ : /opt/netdata/etc/netdata
Stock Configurations _______________________________________ : /opt/netdata/usr/lib/netdata/conf.d
Ephemeral Databases (metrics data, metadata) _______________ : /opt/netdata/var/cache/netdata
Permanent Databases ________________________________________ : /opt/netdata/var/lib/netdata
Plugins ____________________________________________________ : /opt/netdata/usr/libexec/netdata/plugins.d
Static Web Files ___________________________________________ : /opt/netdata/usr/share/netdata/web
Log Files __________________________________________________ : /opt/netdata/var/log/netdata
Lock Files _________________________________________________ : /opt/netdata/var/lib/netdata/lock
Home _______________________________________________________ : /opt/netdata/var/lib/netdata
Operating System:
Kernel _____________________________________________________ : Linux
Kernel Version _____________________________________________ : 6.14.0-36-generic
Operating System ___________________________________________ : Ubuntu
Operating System ID ________________________________________ : ubuntu
Operating System ID Like ___________________________________ : debian
Operating System Version ___________________________________ : 24.04.3 LTS (Noble Numbat)
Operating System Version ID ________________________________ : none
Detection __________________________________________________ : /etc/os-release
Hardware:
CPU Cores __________________________________________________ : 12
CPU Frequency ______________________________________________ : 5171000000
RAM Bytes __________________________________________________ : 33241600000
Disk Capacity ______________________________________________ : 1920394248192
CPU Architecture ___________________________________________ : x86_64
Virtualization Technology __________________________________ : none
Virtualization Detection ___________________________________ : systemd-detect-virt
Container:
Container __________________________________________________ : none
Container Detection ________________________________________ : systemd-detect-virt
Container Orchestrator _____________________________________ : none
Container Operating System _________________________________ : none
Container Operating System ID ______________________________ : none
Container Operating System ID Like _________________________ : none
Container Operating System Version _________________________ : none
Container Operating System Version ID ______________________ : none
Container Operating System Detection _______________________ : none
Features:
Built For __________________________________________________ : Linux
Netdata Cloud ______________________________________________ : YES
Health (trigger alerts and send notifications) _____________ : YES
Streaming (stream metrics to parent Netdata servers) _______ : YES
Back-filling (of higher database tiers) ____________________ : YES
Replication (fill the gaps of parent Netdata servers) ______ : YES
Streaming and Replication Compression ______________________ : YES (zstd lz4 gzip)
Contexts (index all active and archived metrics) ___________ : YES
Tiering (multiple dbs with different metrics resolution) ___ : YES (5)
Machine Learning ___________________________________________ : YES
Memory Allocator ___________________________________________ : system
Database Engines:
dbengine (compression) _____________________________________ : YES (zstd lz4)
alloc ______________________________________________________ : YES
ram ________________________________________________________ : YES
none _______________________________________________________ : YES
Connectivity Capabilities:
ACLK (Agent-Cloud Link: MQTT over WebSockets over TLS) _____ : YES
static (Netdata internal web server) _______________________ : YES
WebRTC (experimental) ______________________________________ : NO
Native HTTPS (TLS Support) _________________________________ : YES
TLS Host Verification ______________________________________ : YES
Libraries:
LZ4 (extremely fast lossless compression algorithm) ________ : YES
ZSTD (fast, lossless compression algorithm) ________________ : YES
zlib (lossless data-compression library) ___________________ : YES
Brotli (generic-purpose lossless compression algorithm) ____ : NO
protobuf (platform-neutral data serialization protocol) ____ : YES (system)
OpenSSL (cryptography) _____________________________________ : YES
libdatachannel (stand-alone WebRTC data channels) __________ : NO
JSON-C (lightweight JSON manipulation) _____________________ : YES
libcap (Linux capabilities system operations) ______________ : NO
libcrypto (cryptographic functions) ________________________ : YES
libyaml (library for parsing and emitting YAML) ____________ : YES
libmnl (library for working with netfilter) ________________ : YES
stacktraces (library for getting stack traces) _____________ : libbacktrace (mmap, threads, data)
Plugins:
apps (monitor processes) ___________________________________ : YES
cgroups (monitor containers and VMs) _______________________ : YES
cgroup-network (associate interfaces to CGROUPS) ___________ : YES
proc (monitor Linux systems) _______________________________ : YES
tc (monitor Linux network QoS) _____________________________ : YES
diskspace (monitor Linux mount points) _____________________ : YES
freebsd (monitor FreeBSD systems) __________________________ : NO
macos (monitor MacOS systems) ______________________________ : NO
windows (monitor Windows systems) __________________________ : NO
statsd (collect custom application metrics) ________________ : YES
timex (check system clock synchronization) _________________ : YES
idlejitter (check system latency and jitter) _______________ : YES
bash (support shell data collection jobs - charts.d) _______ : YES
debugfs (kernel debugging metrics) _________________________ : YES
cups (monitor printers and print jobs) _____________________ : NO
ebpf (monitor system calls) ________________________________ : YES
freeipmi (monitor enterprise server H/W) ___________________ : NO
network-viewer (monitor TCP/UDP IPv4/6 sockets) ____________ : YES
systemd-journal (monitor journal logs) _____________________ : YES
windows-events (monitor Windows events) ____________________ : NO
nfacct (gather netfilter accounting) _______________________ : YES
perf (collect kernel performance events) ___________________ : YES
slabinfo (monitor kernel object caching) ___________________ : YES
Xen ________________________________________________________ : NO
Xen VBD Error Tracking _____________________________________ : NO
Exporters:
AWS Kinesis ________________________________________________ : NO
GCP PubSub _________________________________________________ : NO
MongoDB ____________________________________________________ : NO
Prometheus (OpenMetrics) Exporter __________________________ : YES
Prometheus Remote Write ____________________________________ : YES
Graphite ___________________________________________________ : YES
Graphite HTTP / HTTPS ______________________________________ : YES
JSON _______________________________________________________ : YES
JSON HTTP / HTTPS __________________________________________ : YES
OpenTSDB ___________________________________________________ : YES
OpenTSDB HTTP / HTTPS ______________________________________ : YES
All Metrics API ____________________________________________ : YES
Shell (use metrics in shell scripts) _______________________ : YES
Debug/Developer Features:
Trace All Netdata Allocations (with charts) ________________ : NO
Developer Mode (more runtime checks, slower) _______________ : NO
Runtime Information:
Profile ____________________________________________________ : standalone
Stream Parent (accept data from Children) __________________ : NO
Stream Child (send data to a Parent) _______________________ : NO
Total System Memory ________________________________________ : 33241600000
Available System Memory ____________________________________ : 25669820416Additional info
No response