- firefox 1:1snap1-0ubuntu5
- Hypervisor: KVM
- Architecture: x86_64
- Emulator: qemu-system-x86_64
- Chipset: Q35
- Firmware: BIOS
# snap version
snap 2.68.4
snapd 2.68.4
series 16
ubuntu 24.04
kernel 6.8.0-60-generic
# snap run firefox --version
Mozilla Firefox 139.0.4
From /var/log/syslog:
Jun 12 13:45:26 b1-kvm systemd[1]: Mounting snap-firefox-6316.mount - Mount unit for firefox, revision 6316...
Jun 12 13:45:26 b1-kvm systemd[1]: Mounted snap-firefox-6316.mount - Mount unit for firefox, revision 6316.
Jun 12 13:45:26 b1-kvm snapd-apparmor[867]: main.go:146: Loading profiles [/var/lib/snapd/apparmor/profiles/snap-confine.snapd.24505 /var/lib/snapd/apparmor/profiles/snap-update-ns.firefox /var/lib/snapd/apparmor/profiles/snap.firefox.firefox /var/lib/snapd/apparmor/profiles/snap.firefox.geckodriver /var/lib/snapd/apparmor/profiles/snap.firefox.hook.configure /var/lib/snapd/apparmor/profiles/snap.firefox.hook.disconnect-plug-host-hunspell /var/lib/snapd/apparmor/profiles/snap.firefox.hook.install /var/lib/snapd/apparmor/profiles/snap.firefox.hook.post-refresh]
Jun 12 13:47:12 b1-kvm systemd[29376]: Started snap.firefox.firefox-472150bb-8956-44b9-b8af-5bc6dc284eff.scope.
Jun 12 13:47:12 b1-kvm firefox_firefox.desktop[41468]: update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/local/share/doc /usr/local/share/doc none bind,ro 0 0): cannot open directory "/usr/local/share": permission denied
Jun 12 13:47:12 b1-kvm firefox_firefox.desktop[41468]: update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/gimp/2.0/help /usr/share/gimp/2.0/help none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/gimp/2.0/help" because it would affect the host in "/var/lib/snapd"
Jun 12 13:47:12 b1-kvm firefox_firefox.desktop[41468]: update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/libreoffice/help /usr/share/libreoffice/help none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/libreoffice/help" because it would affect the host in "/var/lib/snapd"
Jun 12 13:47:12 b1-kvm firefox_firefox.desktop[41468]: update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/sphinx_rtd_theme /usr/share/sphinx_rtd_theme none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/sphinx_rtd_theme" because it would affect the host in "/var/lib/snapd"
Jun 12 13:47:12 b1-kvm firefox_firefox.desktop[41468]: update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/xubuntu-docs /usr/share/xubuntu-docs none bind,ro 0 0): cannot write to "/var/lib/snapd/hostfs/usr/share/xubuntu-docs" because it would affect the host in "/var/lib/snapd"
Jun 12 13:47:13 b1-kvm firefox[41407]: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.
Jun 12 13:47:14 b1-kvm dbus-daemon[897]: [system] Activating via systemd: service name='org.freedesktop.timedate1' unit='dbus-org.freedesktop.timedate1.service' requested by ':1.180' (uid=1000 pid=41407 comm="/snap/firefox/6316/usr/lib/firefox/firefox" label="snap.firefox.firefox (enforce)")
Jun 12 13:47:14 b1-kvm dbus-daemon[29445]: [session uid=1000 pid=29445] Activating service name='io.snapcraft.Settings' requested by ':1.110' (uid=1000 pid=42352 comm="dbus-send --print-reply=literal --session --dest=i" label="snap.firefox.firefox (enforce)")
Jun 12 13:47:53 b1-kvm firefox_firefox.desktop[43414]: Exiting due to channel error.
Jun 12 13:47:53 b1-kvm firefox_firefox.desktop[43383]: Exiting due to channel error.
Jun 12 13:47:53 b1-kvm firefox_firefox.desktop[43385]: Exiting due to channel error.
Jun 12 13:47:53 b1-kvm firefox_firefox.desktop[42776]: Exiting due to channel error.
Jun 12 13:47:53 b1-kvm firefox_firefox.desktop[42245]: Exiting due to channel error.
Jun 12 13:47:53 b1-kvm systemd[29376]: snap.firefox.firefox-472150bb-8956-44b9-b8af-5bc6dc284eff.scope: Consumed 5.807s CPU time.
What is going on with the Exiting due to channel error and is there a workaround?