ntrack 015 is available including the fix for this bug:
https://launchpad.net/ntrack/main/015
** Changed in: ntrack
Status: Fix Committed = Fix Released
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thanks scott ... in your PPA was my big patch, right? and in
-propose/-update we just have the one liner?
Sounds good. I think my problem with PPTP VPN is really in libnlX
somehow. route -n and ifconfig -a show the proper values at least for
default route and the out IF, but libnl cache doesn't
Alexander Sack a...@ubuntu.com wrote:
thanks scott ... in your PPA was my big patch, right? and in
-propose/-update we just have the one liner?
Yes. Exactly.
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Excellent! Thanks
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Title:
Ntrack dead loop in function get_nl_link_by_index
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** Tags added: verification-done
** Tags removed: verification-needed
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Title:
Ntrack dead loop in function get_nl_link_by_index
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This bug was fixed in the package ntrack - 011-1ubuntu1.1
---
ntrack (011-1ubuntu1.1) natty-proposed; urgency=low
* Add debian/patches/dead-loop-fix.patch to fix infinite loop if route
oif/nhopif is NULL (LP: #755608)
- One source of high/100% CPU usage in KDE
-- Scott
I've updated my system with Scott Kitterman's ppa. After disconnecting
my VPNC-connection the 100% cpu issue is gone. But my IMAP-account in
kmail doesn't work correct after disconnect. Furthermore shutdown,
logoff etc. produce KDE-error messages (kmail-errors).
I think, I shoult change to
I've had mixed results with the version in my PPA. In some cases it's better
than what's in natty-proposed and in some cases it's worse. I have not run
into a case where the natty-proposed change regresses from what we released
with.
I think the -proposed upload ought to get into -updates
If people dont see a regression the simple one liner is probably fine.
Scott, getting a backtrace of the crashes you see would be helpful. I
definitly see problems with VPN here that I need to fix, so a patch like
mine will be coming sooner or later.
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btw, my case is when disconnecting from PPTP with NM in natty.
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Title:
Ntrack dead loop in function get_nl_link_by_index
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On Monday, May 23, 2011 07:52:01 PM you wrote:
Scott, getting a backtrace of the crashes you see would be helpful.
See https://bugs.kde.org/show_bug.cgi?id=273736
** Bug watch added: KDE Bug Tracking System #273736
http://bugs.kde.org/show_bug.cgi?id=273736
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Sanjaya, please keep your eyes open if you are stuck in offline after
disconnecting from VPN. Thanks!
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Title:
Ntrack dead loop in function
@pitti: Thanks got it.
@asac: Just tested for Wired Ethernet, Mobile Broadband, and a VPN from
USAIP. No more 100% cpu issues on disconnect. I didn't get stuck in
offline after disconnecting from VPN. USAIP is PPTP. Will OpenVPN make
a difference?
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I did put an updated package with asac's new patch in my ppa. Would
people who've tried the first fix please try this one.
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Title:
Ntrack dead
I tried proposed packages and they worked perfectly here with a vpnc
connection, no loop after disconnecting either
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Title:
Ntrack dead loop in
Re #31:
Great work! Your package solves my annoying problem which I described in Bug
#777526. Thanks a lot (y)
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Title:
Ntrack dead loop in
Re #25:
The package in natty-proposed (011-1ubuntu1.1) fixes the issue for me.
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Title:
Ntrack dead loop in function get_nl_link_by_index
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I can confirm this has fixed my issue. Very nice!
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Title:
Ntrack dead loop in function get_nl_link_by_index
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latest updates fixed the issue for me - using huawei 1550 broadband
modem.
thanks!!!
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Title:
Ntrack dead loop in function get_nl_link_by_index
I've tested connecting and disconnecting vpn and 3G (Huawei E352), and
no problems at all. Looks like the package in natty-proposed has the
right patch.
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I did try asac's new patch and kmail seems to hang and crash now and then. It
didn't to this before. I'm tempted to say the one in proposed now is what we
should stick with.
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Re #38:
My experience is different. I use Kmail too and it works without troubles
although I applied Scott Kitterman's package.
Qt: 4.7.2
KDE Development Platform: 4.6.2 (4.6.2)
KMail: 1.13.6
Linux pc 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64
x86_64 x86_64 GNU/Linux
Re #31:
Tested the ppa and it works fine too. However, I don't get any VPN
connection related issues in natty-proposed as well.
Re #38 #39:
I also don't get any KMail (I mean Kontact) issues with Scott Kitterman's
package.
However, I reported another issue which was troubling me for some time
It'd probably work best for anyone still having problems after getting a
package with this fix to file a new bug.
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Title:
Ntrack dead loop in
iirc, this patch on top of last release should fix this bug and also
keep online/offline state up-to-date properly for VPNs i tried ...
anyone wants to give this a go? (has some debugging in it still which
needs sanitizing)
** Patch added: work in progress patch
the patch initially posted to the bug has the problem that you might get
stuck in offline state after you disconnect from VPN ... which isnt that
great. my patch (IIRC) ensures that all the netlink caches are properly
refilled etc. everytime something changes. Let me know if a) the loop is
gone
Accepted ntrack into natty-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Changed in: ntrack (Ubuntu Natty)
** Branch linked: lp:ubuntu/natty-proposed/ntrack
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Title:
Ntrack dead loop in function get_nl_link_by_index
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@asac: Does that mean we should not be putting your rev 312 into an SRU?
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Title:
Ntrack dead loop in function get_nl_link_by_index
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Scott, rev 312 - similar to the patch attached here - only fixes the
loop, but might cause you being stuck in offline after VPN disconnect
until you reconnect wireless/wired ...
the patch I attached above is a brute-force approach I did initially to
fix all issues, but I didn't commit it to trunk
** Patch added: working brute force patch against 015 release
https://bugs.edge.launchpad.net/ntrack/+bug/755608/+attachment/2135755/+files/lp.755608.force.diff
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011 backport of backend from 015 + patch in
https://bugs.launchpad.net/ntrack/+bug/755608/comments/24
Please test if that helps!
** Patch added: backport for 011
https://bugs.launchpad.net/ntrack/+bug/755608/+attachment/2135779/+files/lp.755608.force.backport011.diff
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note that common/ntrackarchapi.h is internal API.
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Title:
Ntrack dead loop in function get_nl_link_by_index
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@pitti: I don't see ntrack in natty-proposed. Should I have to wait few
more hours?
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Title:
Ntrack dead loop in function get_nl_link_by_index
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Sanjaya Karunasena [2011-05-20 0:09 -]:
@pitti: I don't see ntrack in natty-proposed. Should I have to wait few
more hours?
It is now.
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Using Kubuntu 11.04 when my 3G disconnects I still get kded4 eating up
100% cpu. A side effect is that it also hangs the plasma-netbook
workspace. Is this the same issue or something else?
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Perfectly reproducible on Kubuntu 11.04.
* Setup vpn (at least openvpn and vpnc I know cause the issue).
* Connect using Plasma networkmanagement widget
* Disconnect once connection is established
* Watch kded4 CPU load rise
** Also affects: ntrack (Ubuntu)
Importance: Undecided
** Attachment added: related callgrind log of kded4
https://bugs.launchpad.net/ubuntu/natty/+source/ntrack/+bug/755608/+attachment/2132517/+files/kded4.callgrind.xz
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** Changed in: ntrack (Ubuntu)
Assignee: Alexander Sack (asac) = Scott Kitterman (kitterman)
** Changed in: ntrack (Ubuntu)
Status: Triaged = In Progress
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** Changed in: ntrack (Ubuntu Natty)
Assignee: Alexander Sack (asac) = Scott Kitterman (kitterman)
** Changed in: ntrack (Ubuntu Natty)
Status: Triaged = In Progress
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Deployed the updated packages from Scott's PPA on Kubuntu Natty.
Disconnecting from VPN no-longer triggers this bug and kded4 no-longer
eats 100% CPU as a result.
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This bug was fixed in the package ntrack - 011-1ubuntu2
---
ntrack (011-1ubuntu2) oneiric; urgency=low
* Add debian/patches/dead-loop-fix.patch to fix infinite loop if route
oif/nhopif is NULL (LP: #755608)
- One source of high/100% CPU usage in KDE
-- Scott Kitterman
Proposed SRU uploaded for Natty. Waiting for Ubuntu SRU team review.
** Description changed:
Using Archlinux and KDE 4.6.2, ntrack 013.
pptp vpn on and off will cause kded4 using 100% cpu, and backtrace shows that
it get deadloop in get_nl_link_by_index. Seems the scan on cycle linked list
** Branch linked: lp:ubuntu/ntrack
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Title:
Ntrack dead loop in function get_nl_link_by_index
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