** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
Kernel panic
Status in linux package in Ubuntu:
This bug was fixed in the package linux - 3.13.0-44.73
---
linux (3.13.0-44.73) trusty; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1402872
[ AceLan Kao ]
* SAUCE: Add use_native_backlight quirk for HP ProBook 6570b
- LP: #1359010
[ Andy Whitcroft
This bug was fixed in the package linux - 3.13.0-44.73
---
linux (3.13.0-44.73) trusty; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1402872
[ AceLan Kao ]
* SAUCE: Add use_native_backlight quirk for HP ProBook 6570b
- LP: #1359010
[ Andy Whitcroft
This bug was fixed in the package linux - 3.16.0-29.39
---
linux (3.16.0-29.39) utopic; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1402822
[ AceLan Kao ]
* SAUCE: Add use_native_backlight quirk for HP ProBook 6570b
- LP: #1359010
[ Andy Whitcroft
This bug was fixed in the package linux - 3.16.0-29.39
---
linux (3.16.0-29.39) utopic; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1402822
[ AceLan Kao ]
* SAUCE: Add use_native_backlight quirk for HP ProBook 6570b
- LP: #1359010
[ Andy Whitcroft
** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic
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Title:
Kernel panic
Status in linux package in
Seems that the `xen_netfront: xennet: skb rides the rocket: 19 slots` is
a different issue thats already been reported:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317811
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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Seth: I've been testing the proposed kernel fix for the past few days,
I'm not getting any kernel panics but I am seeing many of the following
log lines in the kernel.log:
Dec 23 01:36:12 lb kernel: [280745.518414] xen_netfront: xennet: skb rides the
rocket: 19 slots
Dec 23 01:36:17 lb kernel:
Brad: I'm testing the proposed kernel fix for trusty right now, but as
Donald mentioned, 5 days might not be enough to test it since the kernel
panic occurs randomly after a period of time.
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So, I don't have a problem testing this on trusty-proposed but the 5 day
thing might be an issue. The kernel panic happened randomly after some
period of time, it wasn't something I could trigger on demand. All I can
do is run a server and wait some period of time and see if it kernel
panics or not
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from t
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
utopic' to 'verification-done-utopic'.
If verification is not done by 5 working days from t
** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-utopic
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Title:
Kernel panic
Status in linux package in Ubuntu:
Fix Committe
** Branch linked: lp:ubuntu/precise-proposed/linux-lts-trusty
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Title:
Kernel panic
Status in linux package in Ubuntu:
Fix Committ
** Branch linked: lp:ubuntu/trusty-proposed/linux-keystone
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Title:
Kernel panic
Status in linux package in Ubuntu:
Fix Committed
** Changed in: linux (Ubuntu Utopic)
Status: Fix Released => Fix Committed
** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Fix Committed
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Err, I accidently set this to Fix Released trying to click to see if
there was any information about if that meant "Fix Released in the
archives" or "Fix Released in a 14.04.N patch" and now it won't let me
change it back.
** Changed in: linux (Ubuntu Utopic)
Status: Fix Committed => Fix Re
** Tags added: patch
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Title:
Kernel panic
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Trusty
I've tested the fix that Seth has and it resolved our issue completely.
The first time that 14.04 had been stable on our HAProxy load balancer
boxes.
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** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Vivid)
Importance: High
Assignee: Seth Forshee (sforshee)
Status: In Progress
** Cha
** Patch added:
"0001-xen-netfront-Remove-BUGs-on-paged-skb-data-which-cro.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+attachment/4274127/+files/0001-xen-netfront-Remove-BUGs-on-paged-skb-data-which-cro.patch
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** Description changed:
+ SRU Justification
+
+ Impact: Under certain workloads a BUG in the xen-netfront driver is
+ getting triggered.
+
+ Fix: Remove the offending BUG, and a related BUG which would have also
+ been triggered by the same conditions.
+
+ Test Case: This bug has only been seen
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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Title:
Kernel panic
Status in linux package in Ubuntu:
In
On Tue, Nov 25, 2014 at 06:40:36PM -, Diego Rodriguez wrote:
> Seth: I've been running the kernel patch you provided in comment #35
> for the last 2 weeks and I have not been able to see any kernel panics
> or debug outputs in dmesg, syslog, or the kernel log .
Thanks for testing. It sounds l
Seth: I've been running the kernel patch you provided in comment #35
for the last 2 weeks and I have not been able to see any kernel panics
or debug outputs in dmesg, syslog, or the kernel log .
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It seems I pasted in the wrong link in comment #34. Here's the correct
link:
http://people.canonical.com/~sforshee/lp1275879/linux-3.13.0-40.68+lp1275879v201411101105/
Apologies for the mistake.
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It turns out that the check which generates the panic here is likely
invalid, and the code will handle the situation just fine, so the check
can be removed. I've prepared a kernel with removes that check (and a
related one), which I've temporarily replaced with a warning for testing
so we can detec
Donald: The patches catch the kernel exception, so you shouldn't see it
shut down. But you should be able to see the caught kernel panics in the
kern.log
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We've been running this as well, however the server hasn't shut down
since we've been running it. Is the log still useful or should we wait
until it shuts down?
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Seth: Here's the new kernel log after applying your patch to the server.
** Attachment added: "Shows kernel panic stack traces"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+attachment/4241884/+files/kern.log
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You probably don't need the headers package, unless you're using dkms
packages or something like that, so you can probably just omit that
package when you install. If you really do need it then I'll need to
build the other headers package which it depends on.
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Seth: I'm having issues installing the linux headers from this package
http://people.canonical.com/~sforshee/lp1275879/linux-3.13.0-38.65+lp1278579v201410160939
/linux-
headers-3.13.0-38-generic_3.13.0-38.65+lp1278579v201410160939_amd64.deb
I keep getting this error when I try to install it:
---
Diego: Thanks for testing. I had a look at the logs, but all I was able
to find out was that I had an off-by-one error in some of the checks I
added that causes them to trigger on full pages in addition to cases
which actually cause the problem. As a result I think most if not all of
the warnings i
Seth: I went a head and applied the patch from comment #24 on one of
our load balancers. I've been running it for a few days, so I've
attached the logs for it here.
** Attachment added: "kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+attachment/4237694/+files/kern.log
Ernest: If you can give me logs when using the test kernel from comment
#24 it should help with tracking down where this problem originates.
Thanks!
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Python Software Foundation Infrastructure is experiencing the same
kernel panic on Ubuntu 14.04 with haproxy. Opening a bug to mark as
duplicate.
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I went ahead an posted a build at
http://people.canonical.com/~sforshee/lp1275879/linux-3.13.0-37.64+lp1275879v201410021107/.
It may be rather verbose, but hopefully it will show us where the bad
data originates. Please reproduce the issue with this kernel and send me
the log. Thanks!
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You rece
Jason: Since it sounds like you can reliably reproduce the problem maybe
you can help me do some diagnosis. I think I got in the general
neighborhood of the problem before but didn't quite find the cause. If I
give you a kernel with some extra debug logging added, can you reproduce
the issue and se
$ uname -a
Linux ip-10-154-139-57 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
I'd like to add to this that the upcoming kernel update, 3.13.0-37 from
the proposed package set, also has this same problem. This is on an
Amazon AWS m1.small box.
I am
I am also running into this kernel panic. We are trying to update our
infrastructure from 12.04 to 14.04, and our load balancer boxes, which
are HAProxy only (I've tried 1.4.x and 1.5.x of HAProxy). The servers
work perfectly well, but as soon as I expose the server to the Internet
via ELB, the ser
** Description changed:
- I run ubuntu servers 13.04 and 13.10 on the AWS cloud. Whenever I
- install haproxy and nginx on the same server, after hitting it for a
+ I run ubuntu servers 13.04, 13.10, and 14.04 on the AWS cloud. Whenever
+ I install haproxy and nginx on the same server, after hitti
We just tried using ubuntu 14.04 as the load balancer and unfortunately
the kernel panic issue was happening there. I've attached a log of the
kernel panic.
** Attachment added: "ubuntu14 kernel panic on ec2"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+attachment/4193526/+fi
Not yet, we will be evaluating 14.04 for the load balancer in the
upcoming weeks. I'll post here if we find any issues with it.
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Title
Diego: I've been reviewing this patch with newer kernel versions, and I
don't believe it should actually make any difference there (and would
probably add a bug as well). Have you tried 14.04 to see if the problem
still exists there?
** Changed in: linux (Ubuntu)
Status: In Progress => Inco
Nope, no logs needed. Thanks for testing.
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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Title:
Kernel pan
No kernel panics at all from the nginx haproxy server this week. The
kernel patch you provided has made the issue go away. Do need any logs
or something from the server? Thanks for the kernel fix, I really
appreciate it !
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Great, thanks the update. I'll wait to see your final results.
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Title:
Kernel panic
Status in “linux” package in Ubuntu:
Incomple
I have applied the kernel fix that you provided to the server and its
been running for about a week now without any issues. I'll let it run
for a week more to see if the issue pops up again.
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Seth: Sorry for the long delay, I'll get on it by next week.
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Title:
Kernel panic
Status in “linux” package in Ubuntu:
Incomplet
Chili_Man: Did you ever get a chance to test the kernel in comment #11?
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Title:
Kernel panic
Status in “linux” package in Ubuntu:
I found some code that looks suspicious. The kernel below has a fix, so
please try it out and let me know if it resolves the issue. The kernel
also contains the extra debugging from the previous build (with a fix
for an off-by-one error), so if the problem does happen again please
give me the logs.
Thanks for getting those logs. Unfortunately I'm still not able to
reproduce the problem.
The logs show that the data which triggers the panic is read from a
pipe, but the problem happens on the other side, before or when the data
enters the pipe. I've been looking at code and haven't identified t
The AWS system log.
** Attachment added: "aws_kernel_panic_system_log.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+attachment/3979066/+files/aws_kernel_panic_system_log.txt
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The kernel panic has occurred again, so I've attached the kern.log and
the amazon AWS system log showing the panic.
** Attachment added: "server kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+attachment/3979065/+files/kern.log
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Hey Seth,
I've launched a server with only the linux-image package you provided.
I'll attach the kernel logs once the kernel panic shows up.
As for the the setup with the server, it is basically the load balancer
in our system. Nginx's sole purpose is to provide SSL termination, to
which it then
Chili_Man: I've been looking at the xen-netfront driver which produces
the panic, and as far as I can tell this is a bug elsewhere in the
networking stack and not in xen-netfront. Exactly where the problem
comes from is still unknown, as the panic is disconnected from the
source of the bad data.
H
Looks like the kernel panic also shows up in Trusty Tahr; the AWS
ubuntu image I used for trusty was ami-c8d8ea8d. I have attached the
system log which contains the kernel panic towards the end
** Attachment added: "trusty_tahr_kernel_panic.txt"
https://bugs.launchpad.net/ubuntu/+source/lin
I am unable to successfully run the 'apport-collect 1275879' command as
it its only through the terminal and tries to open up a browser.
As for the issue showing up on the Trusty kernel, I've just launched a
server with it to test it out. It usually takes around a day or two for
the kernel panic t
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Seth Forshee (sforshee)
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Title:
Kernel panic
Status in “linux” package
Do you happen to know if this issue also happens in the latest Trusty
kernel?
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Tags added: kernel-da-key saucy
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