firefox does not start with 6.8-rc

firefox does not start with 6.8-rc

[Philipp Hortmann]

Hi,

compiled the latest staging kernel on my xubuntu laptop. It starts fine 
but I cannot start my firefox anymore. This happens only with kernel 
6.8-rcx. With kernel 6.7 no issue at all. Find logs below. Found in some 
forum that it is fixed in some later rc on an other tree. Tried to find 
this patch series that fixes this. But was not able to.

But anyway is this a kernel issue? Do the kernel developers care?

Thanks for your support.

Bye Philipp


mr00000@mr00000-dell:~$ firefox
snap-update-ns killed by signal 11

mr00000@mr00000-dell:~$ sudo dmesg -c
[  281.781051] audit: type=1400 audit(1707558512.842:62): 
apparmor="DENIED" operation="capable" class="cap" 
profile="/snap/snapd/20671/usr/lib/snapd/snap-confine" pid=1566 
comm="snap-confine" capability=12  capname="net_admin"
[  281.781059] audit: type=1400 audit(1707558512.842:63): 
apparmor="DENIED" operation="capable" class="cap" 
profile="/snap/snapd/20671/usr/lib/snapd/snap-confine" pid=1566 
comm="snap-confine" capability=38  capname="perfmon"
[  281.787553] audit: type=1400 audit(1707558512.846:64): 
apparmor="DENIED" operation="file_mmap" class="file" 
profile="/snap/snapd/20671/usr/lib/snapd/snap-confine" 
name="/snap/snapd/20671/usr/lib/snapd/snap-update-ns" pid=1599 comm="5" 
requested_mask="m" denied_mask="m" fsuid=0 ouid=0

syslog
Feb 10 10:48:54 mr00000-dell systemd[1137]: Started 
snap.firefox.firefox-ab0bfd30-9084-4257-b182-aa77a1081599.scope.
Feb 10 10:48:54 mr00000-dell kernel: [  303.209546] audit: type=1400 
audit(1707558534.270:65): apparmor="DENIED" operation="file_mmap" 
class="file" profile="/snap/snapd/20671/usr/lib/snapd/snap-confine" 
name="/snap/snapd/20671/usr/lib/snapd/snap-update-ns" pid=1640 comm="5" 
requested_mask="m" denied_mask="m" fsuid=0 ouid=0
Feb 10 10:48:54 mr00000-dell systemd[1]: tmp-snap.rootfs_5KSZiY.mount: 
Deactivated successfully.
Feb 10 10:49:52 mr00000-dell dbus-daemon[667]: [system] Activating via 
systemd: service name='org.freedesktop.timedate1' 
unit='dbus-org.freedesktop.timedate1.service' requested by ':1.22' 
(uid=0 pid=695 comm="/usr/lib/snapd/snapd ")
Feb 10 10:49:52 mr00000-dell systemd[1]: Starting Time & Date Service...
Feb 10 10:49:52 mr00000-dell dbus-daemon[667]: [system] Successfully 
activated service 'org.freedesktop.timedate1'
Feb 10 10:49:52 mr00000-dell systemd[1]: Started Time & Date Service.
Feb 10 10:50:22 mr00000-dell systemd[1]: systemd-timedated.service: 
Deactivated successfully.
Feb 10 10:50:59 mr00000-dell systemd[1]: Condition check resulted in 
Daily apt download activities being skipped.

kernlog
Feb 10 10:48:54 mr00000-dell kernel: [  303.209546] audit: type=1400 
audit(1707558534.270:65): apparmor="DENIED" operation="file_mmap" 
class="file" profile="/snap/snapd/20671/usr/lib/snapd/snap-confine" 
name="/snap/snapd/20671/usr/lib/snapd/snap-update-ns" pid=1640 comm="5" 
requested_mask="m" denied_mask="m" fsuid=0 ouid=0


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Re: firefox does not start with 6.8-rc

[Greg KH]

On Sat, Feb 10, 2024 at 11:41:27AM +0100, Philipp Hortmann wrote:
> Hi,
> 
> compiled the latest staging kernel on my xubuntu laptop. It starts fine but
> I cannot start my firefox anymore. This happens only with kernel 6.8-rcx.
> With kernel 6.7 no issue at all. Find logs below. Found in some forum that
> it is fixed in some later rc on an other tree. Tried to find this patch
> series that fixes this. But was not able to.
> 
> But anyway is this a kernel issue? Do the kernel developers care?

Yes, but this looks like a self-inflicted issue:

> mr00000@mr00000-dell:~$ sudo dmesg -c
> [  281.781051] audit: type=1400 audit(1707558512.842:62): apparmor="DENIED"
> operation="capable" class="cap"
> profile="/snap/snapd/20671/usr/lib/snapd/snap-confine" pid=1566
> comm="snap-confine" capability=12  capname="net_admin"

apparmor is saying no here.  Perhaps you need to update your rules for
it?

thanks,

greg k-h

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