3.13.0-8.27~precise1:
dell e6500 under 12.04: bug appears to be fixed - wifi is working!
What was blocked by Apparmor!?
volker
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Title:
kernel
To be clear, the issue here is that the trusty kernel implements
mitigation of networking and the profiles in precise do not contain
support for this. The patches applied allow the backport to be
configured without this functionality.
** Also affects: linux-lts-trusty (Ubuntu)
Importance:
#32 This bug was fixed in the package linux - 3.13.0-7.26:
not fixed for me (dell e6500 under 12.04): still the same problem as with
previous 3.13 kernel versions:
no wifi, but workaround apparmor=0 still works.
Most recent mainline kernel (3.13.1-031301-generic from v3.13.1
(trusty)) works,
Volker - can you attach a 3.13.0-7.26 kernel dmesg from the case when
wifi isn't working ? Maybe Apparmor is blocking something else.
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Title:
#34
dmesg -which options?
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Title:
kernel 3.13.0-4.19~precise1-generic: no internet via ethernet or WiFi
To manage notifications about this bug
Just 'dmesg dmesg.txt', then attach dmesg.txt once you have rebooted
to a configuration where your wifi works.
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Title:
kernel
#34 + 36
dmesg:
dmesg dmesg.log for 12.04 under 3.13.0-7.26 (wifi not working)
volker
** Attachment added: dmesg.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1270215/+attachment/3971316/+files/dmesg.log
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This bug was fixed in the package linux - 3.13.0-7.26
---
linux (3.13.0-7.26) trusty; urgency=low
[ John Johansen ]
* SAUCE: apparmor: fix uninitialized lsm_audit membe
- LP: #1268727
* Add config option to optionally enable new apparmor 3 semantics
[ Tim Gardner ]
*
3.13.0-6-generic#23~precise2 on dell e6500:
wifi still works only when apparmor is de - activated (apparmor=0).
As mentioned above, the corresponding mainline kernel (3.13.1-031301-generic
from v3.13.1 (trusty)) works including wifi.
volker
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kernel 3.13.0-4.19 and 3.13.0-5.20 (linux-lts-trusty) / no wifi:
as a workaround, I can use 3.13.1-031301-generic from v3.13.1 (trusty)
(mainline) which works in 12.04 (dell e6500), including wifi.
volker
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I can confirm this bug. My computer M6600 works fin-lts-saucy with 3.11
-lts-saucy and 3.13 mainline but network fails to connectfa with 3.13
-lts-trustys.
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kernel 3.13.0-4.19 and 3.13.0-5.20 (linux-lts-trusty) / no wifi:
in connection with the above problem: 3.11.0-17.30+precise1 does not produce
any problems, in particular wifi works.
Test was made with the same system as for 3.13 (ubuntu 12.04 on dell e6500).
volker
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kernel 3.13.0-5.20 (linux-lts-saucy):
same problems as with 3.13.0-4.19 - no wifi
On the other hand, 3.13.0-031300 (mainline) works okay, including wifi.
Workaround for kernel 3.13.0-5.20 : WiFi works after adding apparmor=0
in /etc/default/grub, doing sudo update-grub and rebooting.
volker
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** Tags removed: kernel-key
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Title:
kernel 3.13.0-4.19~precise1-generic: no internet via ethernet or WiFi
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** Summary changed:
- kernel 3.13.0-4.19~precise1-generic: no internet
+ kernel 3.13.0-4.19~precise1-generic: no internet via ethernet or WiFi
** Description changed:
- kernel 3.13.0-4.19~precise1-generic under ubuntu-12.04 on dell e6500
- (i386):
+ After booting no connection to the internet
lspci -vvnn.log is empty, probably because I have no network connection
** Attachment added: dmesg.log
https://bugs.launchpad.net/ubuntu/+bug/1270215/+attachment/3951023/+files/dmesg.log
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** Also affects: Ubuntu Precise
Importance: Undecided
Status: New
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Title:
kernel 3.13.0-4.19~precise1-generic: no internet
To manage
** Package changed: ubuntu = linux (Ubuntu)
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Title:
kernel 3.13.0-4.19~precise1-generic: no internet
To manage notifications about this bug go
Add apparmor=0 to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub,
then 'sudo update-grub'. It looks like dhclient is unable to run.
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Title:
Hi Volker,
I can perform a kernel bisect to identify the commit that introduced
this regression. Please test Tim's suggestion in comment #2 first, then
we can bisect based on the results from that test.
** Changed in: linux (Ubuntu)
Importance: Undecided = High
** Changed in: linux (Ubuntu
** Changed in: linux (Ubuntu Precise)
Assignee: (unassigned) = John Johansen (jjohansen)
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Title:
kernel 3.13.0-4.19~precise1-generic: no
...@canonical.com] im Auftrag von Tim Gardner
[tim.gard...@canonical.com]
Gesendet: Freitag, 17. Januar 2014 18:09
An: Volker Kempter
Betreff: [Bug 1270215] Re: kernel 3.13.0-4.19~precise1-generic: no internet
Add apparmor=0 to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub,
then 'sudo update-grub'. It looks
apport information
** Tags added: apport-collected precise running-unity staging
** Description changed:
kernel 3.13.0-4.19~precise1-generic under ubuntu-12.04 on dell e6500
(i386):
after booting with this kernel no connection to the internet can be
established, neither by cable nor
** Tags removed: apport-collected kernel-key precise running-unity saucy staging
** Tags added: trusty
** Tags removed: performing-bisect
** Tags added: kernel-da-key
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