[FS#4085] dnsmasq: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
OpenWrt Bugs
openwrt-bugs at lists.openwrt.org
Thu Oct 14 10:52:32 PDT 2021
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A new Flyspray task has been opened. Details are below.
User who did this - Bastian Bittorf (bittorf)
Attached to Project - OpenWrt/LEDE Project
Summary - dnsmasq: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - with a selfcompiled r17753 with mipsel ramips/mt7621 on 'TP-LINK Archer C6U'
It was working without these issues with r17560
Thu Oct 14 18:32:38 2021 user.err : jail: creat(/tmp/ujail-lhNbFK/tmp/dhcp.leases) failed: Read-only file system
Thu Oct 14 18:32:38 2021 daemon.crit dnsmasq[1]: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Thu Oct 14 18:32:38 2021 daemon.crit dnsmasq[1]: FAILED to start up
Thu Oct 14 18:32:43 2021 user.err : jail: creat(/tmp/ujail-FlhCEP/tmp/dhcp.leases) failed: Read-only file system
Thu Oct 14 18:32:43 2021 daemon.crit dnsmasq[1]: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Thu Oct 14 18:32:43 2021 daemon.crit dnsmasq[1]: FAILED to start up
Thu Oct 14 18:32:49 2021 user.err : jail: creat(/tmp/ujail-fHEJCC/tmp/dhcp.leases) failed: Read-only file system
Thu Oct 14 18:32:49 2021 daemon.crit dnsmasq[1]: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Thu Oct 14 18:32:49 2021 daemon.crit dnsmasq[1]: FAILED to start up
Thu Oct 14 18:32:50 2021 daemon.alert kalua: /usr/sbin/cron.monitorin: curl_it() [ERR] returning 4 after fetching 'http://intercity-vpn.de/networ...'
Thu Oct 14 18:32:54 2021 user.err : jail: creat(/tmp/ujail-jGfjpp/tmp/dhcp.leases) failed: Read-only file system
Thu Oct 14 18:32:54 2021 daemon.crit dnsmasq[1]: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Thu Oct 14 18:32:54 2021 daemon.crit dnsmasq[1]: FAILED to start up
Thu Oct 14 18:32:59 2021 user.err : jail: creat(/tmp/ujail-knefoG/tmp/dhcp.leases) failed: Read-only file system
Thu Oct 14 18:32:59 2021 daemon.crit dnsmasq[1]: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Thu Oct 14 18:32:59 2021 daemon.crit dnsmasq[1]: FAILED to start up
Thu Oct 14 18:33:02 2021 daemon.alert kalua: /usr/sbin/cron.monitorin: curl_it() [ERR] returning 4 after fetching 'http://intercity-vpn.de/networ...'
Thu Oct 14 18:33:04 2021 user.err : jail: creat(/tmp/ujail-jneGLN/tmp/dhcp.leases) failed: Read-only file system
Thu Oct 14 18:33:04 2021 daemon.crit dnsmasq[1]: cannot open or create lease file /tmp/dhcp.leases: Read-only file system
Thu Oct 14 18:33:04 2021 daemon.crit dnsmasq[1]: FAILED to start up
Thu Oct 14 18:33:04 2021 daemon.info procd: Instance dnsmasq::cfg01411c s in a crash loop 6 crashes, 0 seconds since last crash
The filesystem looks normal:
root at box:~ :) df -h
Filesystem Size Used Available Use% Mounted on
/dev/root 5.5M 5.5M 0 100% /rom
tmpfs 59.4M 1.3M 58.1M 2% /tmp
/dev/mtdblock4 7.4M 476.0K 7.0M 6% /overlay
overlayfs:/overlay 7.4M 476.0K 7.0M 6% /
tmpfs 512.0K 0 512.0K 0% /dev
root at liszt28-hybrid--37:~ :) echo foo >/tmp/dhcp.leases.txt
root at liszt28-hybrid--37:~ :) ls -l /tmp/dhcp.leases.txt
-rw-r--r-- 1 root root 4 Oct 14 18:37 /tmp/dhcp.leases.txt
root at liszt28-hybrid--37:~ :) ps | grep jail
3898 root 2616 S {hostapd} /sbin/ujail -n hostapd -U network -G network -C /etc/capabilities/wpad.json -c -- /usr/sbin/hostapd -s -g /var/run/hostapd/global
3899 root 2616 S {wpa_supplicant} /sbin/ujail -n wpa_supplicant -U network -G network -C /etc/capabilities/wpad.json -c -- /usr/sbin/wpa_supplicant -n -s -g /var/run/wpa_supplican
4489 root 1280 S grep jail
root at liszt28-hybrid--37:~ :) pidof dnsmasq || echo BAD
BAD
root at liszt28-hybrid--37:~ :) uci show dhcp
dhcp. at dnsmasq[0]=dnsmasq
dhcp. at dnsmasq[0].logqueries='0'
dhcp. at dnsmasq[0].domainneeded='0'
dhcp. at dnsmasq[0].boguspriv='1'
dhcp. at dnsmasq[0].filterwin2k='0'
dhcp. at dnsmasq[0].localise_queries='1'
dhcp. at dnsmasq[0].rebind_protection='0'
dhcp. at dnsmasq[0].rebind_localhost='0'
dhcp. at dnsmasq[0].expandhosts='1'
dhcp. at dnsmasq[0].nonegcache='0'
dhcp. at dnsmasq[0].authoritative='1'
dhcp. at dnsmasq[0].readethers='1'
dhcp. at dnsmasq[0].leasefile='/tmp/dhcp.leases'
dhcp. at dnsmasq[0].resolvfile='/tmp/resolv.conf.auto'
dhcp. at dnsmasq[0].addnhosts='/var/run/hosts_olsr' '/etc/local.hosts'
dhcp. at dnsmasq[0].server='8.8.8.8'
dhcp. at dnsmasq[0].notinterface='wan' 'wlan' 'wlanRADIO1'
dhcp. at dnsmasq[0].dhcpscript='/etc/dhcp-script.d/10dhcpscript'
dhcp. at dnsmasq[0].cachesize='1000'
dhcp. at dnsmasq[0].local='/internet/'
dhcp. at dnsmasq[0].domain='internet'
dhcp.lan=dhcp
dhcp.lan.interface='lan'
dhcp.lan.start='34'
dhcp.lan.limit='13'
dhcp.lan.force='1'
dhcp.lan.ignore='0'
dhcp.lan.leasetime='48h'
dhcp.wlan=dhcp
dhcp.wlan.force='1'
dhcp.wlan.ignore='0'
dhcp.wlan.interface='mastergate'
dhcp.wlan.dhcp_option='3,100.64.0.1' '6,100.64.0.1'
dhcp.wlan.leasetime='12h'
dhcp.wlan.start='100.65.35.2'
dhcp.wlan.limit='253'
dhcp.wan=dhcp
dhcp.wan.interface='wan'
dhcp.wan.ignore='1'
dhcp. at host[0]=host
dhcp. at host[0].ip='127.0.0.2'
dhcp. at host[0].mac='00:00:00:00:00:00'
dhcp. at host[0].name='lo-alias'
dhcp. at dhcp[3]=dhcp
dhcp. at dhcp[3].interface='loopback'
dhcp. at dhcp[3].start='2'
dhcp. at dhcp[3].limit='2'
dhcp. at dhcp[3].leasetime='1h'
dhcp. at dhcp[3].force='1'
dhcp. at dhcp[3].ignore='0'
More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=4085
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