I'm absolutely positive this problem does not exist in 3.8.0-26, we have
6 heavy use KVM/QEMU host servers on it.
The bridge network loss definitely occurs on any of these servers, once
upgraded to 3.8.0-27, and/or 3.8.0-29. And it happens pretty quickly,
~1-2 hours max.
I can give the 3.8.0-30
It looks like we are on 24 hours uptime, with only one guest. Our only
exception to norm; Friday was a pretty light use day, the office was
very quiet.
By mid-Monday, I will do some network load tests, and load up a dozen or
so VMs. So far 3.8.0-30 seems good..
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I will be upgrading our development cluster of 3 hosts to 3.8.0-30
(proposed) this weekend; for further validation of this new kernel as a
solution.
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I also experienced this issue within 4 hours of a host upgrade to kernel
3.8.0-27 yesterday, and migrating ~16 guests in.
There were two observed guest types which lost networking: Ubuntu 12.10
Quantal, and Ubuntu 10.04 Lucid LTS. Rebooting guest was the only way
to re-establish bridged network
** Attachment added: lspci-vnvn.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1215051/+attachment/3780994/+files/lspci-vnvn.log
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Due to the nature of this networking-loss bug report, there is no crash
data, nor dump files. This failure occurs silently.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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** Attachment added: second system with /proc mem_alloc failures
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1226172/+attachment/3825639/+files/mem_alloc_fail-system2.txt
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Additional memalloc failures gathered from syslog are attached. I have
limited this failure data, as there is 10MB of text crash info in the
syslog.
These failures are being caused by irqbalance, snmpd, vnstatd, etc.
Seemingly any application which relies upon /proc
I have included a similar
I believe it did occur in Quantal, but I am not 100% certain. These
servers had Quantal for a very shot time (~1 day), because we required
kernel features present only in Raring+, for use with Ceph/Rados.
Raring was still 3-4 months from release, but we were pulling Raring
Kernels into Quantal.
I have not used this in a while and I think its not a Ubuntu team
issue its a DE issue.
On 11/19/2013 7:23 AM, Christopher M. Penalver wrote:
Ron, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an
issue? If so, could you
Hi Christopher, I've been trying to find time all week. I may not have
time until the first week of December. The upcoming holiday has stolen
two days.
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and prevented it from
resuming properly.
ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: ron1709 F pulseaudio
/dev/snd/controlC0: ron1709 F pulseaudio
Date: Sat Oct 5 17:46:49 2013
ExecutablePath
during a previous suspend and prevented it from
resuming properly.
ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: ron1716 F pulseaudio
/dev/snd/controlC0: ron1716 F pulseaudio
Date: Mon Oct 7 07:47
We now have 12 hours with our entire KVM cluster running on 3.8.0-30
with no outage. Including our high Network I/O guests now.
I will post success/failure once more this week, for final load
verification.
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apport information
** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824327/+files/ProcModules.txt
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apport information
** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824329/+files/UdevLog.txt
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apport information
** Attachment added: UdevDb.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824328/+files/UdevDb.txt
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apport information
** Attachment added: ProcInterrupts.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824326/+files/ProcInterrupts.txt
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apport information
** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824324/+files/Lspci.txt
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apport information
** Attachment added: ProcCpuinfo.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824325/+files/ProcCpuinfo.txt
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apport information
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824322/+files/Dependencies.txt
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apport information
** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824321/+files/CurrentDmesg.txt
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apport information
** Tags added: apport-collected raring
** Description changed:
I receive an intermittent error using iostat -k 5 : Cannot open
/proc/stat: Cannot allocate memory
This can also be simply reproduced by entering: cat /proc/stat, one to
several (~5-10) times.
apport information
** Attachment added: WifiSyslog.txt
https://bugs.launchpad.net/bugs/1226172/+attachment/3824330/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Yes, I'm running the most-recent BIOS. This new 02.01.0002 BIOS was
released, 2013/09/20, after the initial problem report. And the
/proc/stat issues persist on this new BIOS as well.
My current dmidecode output is:
SE5C600.86B.02.01.0002.082220131453 \ 08/22/2013
** Changed in: linux (Ubuntu)
Christoper,
1day 23h ago, I installed kernel 3.12.0-999 nightly dated 20130456.
At ~28h uptime, after programs and buffers/cache utilized all 64GB RAM;
the problem re-occurs.
And as typical, this is now very persistent with backtraces against
snmpd, and can also be quickly triggered via
Correction, THIS server has 32GB, not 64GB as stated in previous post.
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Title:
iostat: Cannot open /proc/stat: Cannot allocate
Public bug reported:
Bug was encountered during software update.
ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: nvidia-settings 331.20-0ubuntu0.0.1
ProcVersionSignature: Ubuntu 3.2.0-58.88-generic 3.2.53
Uname: Linux 3.2.0-58-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion:
Unfortunately I am experiencing the same issue. Dell Latitude with a
docking station, 2 monitors connected by DP, 1 VGA, running kernel 4.8.1
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Same problem
Asus Q504U
Ubuntu 18.04
My workaround is to boot the 4.13.0-37 kernel (which works fine).
The 4.15.0-101 and 4.15.0-106 kernels both fail for me.
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Thanks for the info- I thought the unpopulated list was a bug because
the procedure you describe is not that self evident. I have never seen
an unpopulated dropdown list that fills in after you type something into it.
Someone else classified this as medium priority, but it has a lot of
people
2d reply
The apport-collect came back with you are not the originator of this
bug.
And I am not sure how comfortable I am at sending out a complete system
snapshot, if that is what it is. Is there a way to run this locally and
then send out the txt file?
On 12/03/2013 09:43 AM, Quinn Balazs
Solution #28 worked for me on Linux Mint 17 with MSI Z97-G45 (ALC110). I
had popping, distortions and skipping before, crystal clear now. Thanks!
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Public bug reported:
Linux start
ProblemType: KernelOops
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-19-generic 3.13.0-19.40
ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
Uname: Linux 3.13.0-19-generic x86_64
Annotation: This occured during a previous suspend and prevented
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: ron3157 F pulseaudio
/dev/snd/controlC0: ron
3.16.0-30.40
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: ron3157 F pulseaudio
/dev/snd/controlC0: ron
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: ron3157 F pulseaudio
/dev/snd/controlC0: ron3157 F pulseaudio
CurrentDesktop: Unity
Date: Tue Feb 3 11:02:35 2015
InstallationDate: Installed on 2015-01-25 (9 days ago)
InstallationMedia: Ubuntu
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: ron3157 F pulseaudio
/dev/snd/controlC0: ron3157 F
and check the upstream kernals, but I
think I would try it, if I can undo it.
I am not real savy on computers, but I just HATE Windows, and I much
prefer Ubuntu, even if it has some problems.
Thanks
Ron
On 02/04/2015 03:19 PM, Joseph Salisbury wrote:
Did this issue start happening after an update
Public bug reported:
Below is a copy of the wireless script, and I have tried a bunch of
things to get this to work and it appears that it can barely pick up any
APs that I know that are broadcasting. My Personal home AP Dacanez will
work, only if I am 6 feet from it.
inet6 addr:
apport information
** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365933/+files/UdevLog.txt
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apport information
** Attachment added: ProcInterrupts.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365928/+files/ProcInterrupts.txt
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apport information
** Attachment added: PulseList.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365930/+files/PulseList.txt
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apport information
** Attachment added: ProcEnviron.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365927/+files/ProcEnviron.txt
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apport information
** Attachment added: ProcCpuinfo.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365926/+files/ProcCpuinfo.txt
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apport information
** Attachment added: Lsusb.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365925/+files/Lsusb.txt
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apport information
** Attachment added: IwConfig.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365923/+files/IwConfig.txt
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apport information
** Attachment added: RfKill.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365931/+files/RfKill.txt
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apport information
** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365924/+files/Lspci.txt
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apport information
** Attachment added: BootDmesg.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365920/+files/BootDmesg.txt
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apport information
** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365922/+files/CurrentDmesg.txt
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apport information
** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365929/+files/ProcModules.txt
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apport information
** Attachment added: WifiSyslog.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365934/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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** Attachment added: UdevDb.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365932/+files/UdevDb.txt
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apport information
** Tags added: apport-collected trusty
** Description changed:
Below is a copy of the wireless script, and I have tried a bunch of
things to get this to work and it appears that it can barely pick up any
APs that I know that are broadcasting. My Personal home AP Dacanez
apport information
** Attachment added: CRDA.txt
https://bugs.launchpad.net/bugs/1440344/+attachment/4365921/+files/CRDA.txt
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Public bug reported:
error while trying to complete dist-upgrade via command line
ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: linux-image-extra-3.19.0-61-generic 3.19.0-61.69~14.04.1
ProcVersionSignature: Ubuntu 3.19.0-59.66~14.04.1-generic 3.19.8-ckt19
Uname: Linux
"About the virtualbox-guest-dkms package, I'm not sure it is really
needed in 16.04 as xenial kernel already packs virtualbox's guest
modules(you can lsmod it even without installing the package)"
Actually, I had the same problem. Installing this package solved it.
Error gone and pasting and
Thank you for the answer.
Unfortunately, this computer is no longer operational.
Ron
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https://bugs.launchpad.net/bugs/1698936
Title:
bluetooth can't turn on on new
I'm on the X1 Carbon 6th gen config Peter Bittner describes. I'm seeing
the same behavior.
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https://bugs.launchpad.net/bugs/1708043
Title:
Lenovo X1 Carbon Gen5 fails to
: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC2: ron1199 F pulseaudio
/dev/snd/controlC3: ron1199 F pulseaudio
/dev/snd/controlC0: ron1199 F pulseaudio
Date: Thu Mar 15 08:51:48 2018
ErrorMessage: kan uitgepakte gegevens voor
It also affects Kubuntu 18.04.2
cat /etc/issue
Ubuntu 18.04.2 LTS \n \l
I moved /var/log/xrdp.log and /var/log/xrdp-sesman.log to a different
location so they'd be smaller and easier to parse by booting a live
system, then restarted this system.
Unfortunately, this time the xrdp daemon failed
There's many other screen related issues like this with 5.19.0-32 and
with RYZEN processors with integrated graphics too.
My desktop is a RYZEN 5 2400G and I have the same issue with resuming
from suspend or hibernation. I have a workaround though.
Once the monitor is blank but processor appears
Public bug reported:
having an issue with wifi adapter not working, tried refreshing firmware to
make sure nothing broken, ran:
sudo apt install --reinstall linux-firmware
got an error and reporting.
ProblemType: Package
DistroRelease: Ubuntu 22.04
Package: linux-firmware
Public bug reported:
I have a HP 15-r014TX model numbered laptop. I recently installed Ubuntu
20.04 in it alongside windows 8 (actually upgraded fro 18.04). It had a
hardware problem causing wifi to not connect but only scan nearby
network. So I attached a usb wifi adapter and everything was
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