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Frequent swapping causes system to hang
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Periodically I notice my system slows to a near stand still, and the
hard drive light is constantly going. This seems to be a massive amount
of disk i/o and it lasts for a long time (lets say 30 mins to put a
number on it). I installed and ran iotop (`io
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Frequent swapping causes system to hang
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** Changed in: linux
Importance: Unknown => High
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** Changed in: linux
Status: Unknown => Confirmed
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** Tags added: acpi-namespace-lookup
** Tags added: acpi-parse-exec-fail
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Frequent swapping causes system to hang
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** Changed in: linux (Ubuntu)
Assignee: Jeremy Foshee (jeremyfoshee) => (unassigned)
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Apparently there are some patches for what appears to be this issue.
Linked from the upstream kernel bug report:
http://www.phoronix.com/scan.php?page=news_item&px=ODQ3Mw
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** Tags added: kernel-core kernel-needs-review
** Tags removed: needs-kernel-logs
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Jeremy Foshee (jeremyfoshee)
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** Summary changed:
- massive i/o renders the system unusable
+ Frequent swapping causes system to hang
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In desperation I tried re-installing to see if I just had something
installed with a serious memory leak. Unfortunately, this has not
improved the situation. My device is next to useless until this is
resolved.
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Yo
Marking as 'New' since I think I have supplied all the required
information.
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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I noticed there is a 'needs kernel logs' tag. Is there something else
you need attached? If so, do you need it attached running both the
current maverick kernel and the mainline kernel?
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I have reproduced the bug using the mainline kernel. I installed linux-
image-2.6.35-999-generic from http://kernel.ubuntu.com/~kernel-
ppa/mainline/daily/current/, and rebooted running that kernel. I was
running Chromium, Xchat and Banshee w/ no problem, so I decided to try
to stress the system
apport information
** Attachment added: "WifiSyslog.txt"
http://launchpadlibrarian.net/51504915/WifiSyslog.txt
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apport information
** Attachment added: "UdevLog.txt"
http://launchpadlibrarian.net/51504913/UdevLog.txt
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** Attachment added: "UdevDb.txt"
http://launchpadlibrarian.net/51504912/UdevDb.txt
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** Attachment added: "RfKill.txt"
http://launchpadlibrarian.net/51504909/RfKill.txt
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** Attachment added: "ProcModules.txt"
http://launchpadlibrarian.net/51504908/ProcModules.txt
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** Attachment added: "ProcInterrupts.txt"
http://launchpadlibrarian.net/51504906/ProcInterrupts.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
http://launchpadlibrarian.net/51504904/ProcCpuinfo.txt
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apport information
** Attachment added: "PciMultimedia.txt"
http://launchpadlibrarian.net/51504899/PciMultimedia.txt
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apport information
** Attachment added: "Lsusb.txt"
http://launchpadlibrarian.net/51504848/Lsusb.txt
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** Attachment added: "Lspci.txt"
http://launchpadlibrarian.net/51504844/Lspci.txt
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** Attachment added: "IwConfig.txt"
http://launchpadlibrarian.net/51504841/IwConfig.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
http://launchpadlibrarian.net/51504840/CurrentDmesg.txt
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apport information
** Attachment added: "Card0.Codecs.codec.0.txt"
http://launchpadlibrarian.net/51504839/Card0.Codecs.codec.0.txt
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apport information
** Attachment added: "Card0.Amixer.values.txt"
http://launchpadlibrarian.net/51504838/Card0.Amixer.values.txt
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** Attachment added: "BootDmesg.txt"
http://launchpadlibrarian.net/51504837/BootDmesg.txt
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apport information
** Tags added: apport-collected
** Description changed:
Periodically I notice my system slows to a near stand still, and the
hard drive light is constantly going. This seems to be a massive amount
of disk i/o and it lasts for a long time (lets say 30 mins to put a
num
I made the last comment before I read Jeremy's comments (should have
refreshed the bug report). Anyway, I'll attach the output he is looking
for and be sure to test the upstream kernel as well.
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** Attachment added: "top-output.txt"
http://launchpadlibrarian.net/51503458/top-output.txt
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** Attachment added: "free-2.txt"
http://launchpadlibrarian.net/51503443/free-2.txt
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** Attachment added: "free.txt"
http://launchpadlibrarian.net/51503439/free.txt
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** Attachment added: "vmstat-log-7-July-2010.txt"
http://launchpadlibrarian.net/51503344/vmstat-log-7-July-2010.txt
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Per some advice I received on #ubuntu-kernel I'm attaching some
debugging output. Here is a list of the files:
vmstat-log-7-July-2010.txt: Output of `vmstat 1 60` once the system started
swapping
free.txt: Output of `free -m` a minute later
free-2.txt: Output of `free -m` about 10 seconds afte
Hi Pete,
Please be sure to confirm this issue exists with the latest development release
of Ubuntu. ISO CD images are available from
http://cdimage.ubuntu.com/daily/current/ . If the issue remains, please run
the following command from a Terminal (Applications->Accessories->Terminal).
It wi
Ok, from what I can tell the system is swapping way too easily. If I'm
running Chromium + XChat I'm fine. As soon as I open OpenOffice or
Evolution or Rhythmbox that seems to push the memory over the edge and
the system starts swapping. If I can manage to get to a terminal in
time and kill the l
** Package changed: ubuntu => linux (Ubuntu)
** Bug watch added: Linux Kernel Bug Tracker #12309
http://bugzilla.kernel.org/show_bug.cgi?id=12309
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=12309
Importance: Unknown
Status: Unknown
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To add to the last comment, kswapd has just leaped up to over 7 MB
written and rising fast! this is in a span of a couple of minutes.
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Apparently reducing the swappiness didn't help. My system is currently
hopelessly locked (and I'm writing this on another device on my desk).
I'm ssh'ed into my netbook and running `iotop -a`. Here are the top two
items:
1 be/4 root 10.34 M 0.00 B ?unavailable? init
33 be
I think this is related to swap, actually. I have decread swappiness to
10, and will see if I encounter this again. Not sure what the next
steps are if that works.
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Public bug reported:
Periodically I notice my system slows to a near stand still, and the
hard drive light is constantly going. This seems to be a massive amount
of disk i/o and it lasts for a long time (lets say 30 mins to put a
number on it). I installed and ran iotop (`iotop -a`) and it seems
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