Debian Configuration :: DomU Freezes With Task
Apr 7, 2016
We have several systems (DELL-Server PowerEdgde) installed with Debian Jessie 8.4 (physical server and VM) and if the server has big Disk I/O (copy, backup with Backup Exec) the VMs freeze.
Console output:
[168960.072192] INFO: task jbd2/xvda2-8:139 blocked for more than 120 seconds.
[168960.072209] Not tainted 3.16.0-4-amd64 #1
[168960.072213] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[168960.072220] jbd2/xvda2-8 D ffff8803e72946e8 0 139 2 0x00000000
[code]....
The system installed: Linux version 3.16.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06)
I installed Jessie with ext4 and ext3, same error!
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Aug 16, 2010
I have a XEN DomU VM running Lenny and set up using debootstrap. I also have the TimeWentBackwards issue sorted using: [URL]. The problem is that my cron jobs just don't run. I've set up a cron job that simply echoes a date string to a file as a tester but it's not running. I've tried it under the root crontab, in /etc/crontab and set up in /etc/cron.daily. Is there something I'm missing?
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Oct 23, 2010
I have a mysql server in guest domU on debian squeeze. when i create test table and do INSERT INTO test (name, value) VALUES(RAND(), RAND()); Query OK, 1 row affected (0.28 sec)
At other physical server with same configuration Query OK, 1 row affected (0.00 sec)
I try this several time but on physical server max value never get over 0.05sec and on VM lowest value was 0.13sec.
Another tests:
On physical server:
OLTP test statistics:
Threads fairness:
on VM:
OLTP test statistics:
Threads fairness:
performance of disk write speed on VM is much better then on physical server .
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Feb 8, 2010
we are getting Out of memory issue in web server log & kern.log at same time cpu load is comming very high....
top - 13:37:10 up 221 days, 12:43, 0 users, load average: 90.56, 61.63, 31.44
Tasks: 229 total, 64 running, 165 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.6%us, 0.3%sy, 0.0%ni, 97.2%id, 0.8%wa, 0.0%hi, 0.1%si, 0.0%st
[code]....
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Feb 26, 2011
I have a Dell Latitude E6410 which I can boot from an Iomega external hard drive when I want to run Linux on it. It is a work issued Windows XP laptop and when I travel, I am more comfortable with Linux, so I created a dual boot option without touching their hardware. The external hard drive plugs in to the USB ports and the BIOS picks it up as the primary boot media, although the internal drive is still present. (That is the desired outcome).The problem is that the system periodically locks up solid and only a forced power off will get it to respond. The system seems to go into a kernel panic and fails to write anything before dying. The system completely locks up and stops responding to mouse and keyboard. It also seems to drop off the network. When I look at the logs after restarting, nothing at all shows up related to a kernel panic or anything else. To further complicate the diagnosis, on the reboots, sometimes the boot process locks up at "Starting GDM3", sometimes it doesn't, and wont for several attempts but eventually will boot to gnome. Some times it runs fine for a few hours, sometimes for only a few minutes. Can anyone recommend a way to diagnose this?I am trying to run Debian 6.0 32-bit with the defaults.
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Aug 30, 2015
This started happening after I started working on the kernel image and initramfs tools configurations basically started trying to make my system work the way I wanted.I can be doing anything like playing worms or being on this forum and the screen turns black but I don't lose energy just nothing shows on the screen and my keyboard doesn't respond the num lock doesn't turn either state,
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Apr 7, 2016
After a successful install of the MFC-J4420DW printer and scanner using Brother's install utility, I am experience severe battery drain and xsane freezes (total system lockup, requiring using CONFIG_MAGIC_SYSRQ keyboard command REISUB or hard reset).
The Brother support page and utility/drivers are found here: URl....My laptop is the HP Elitebook 8540W and I am running Debian 8 using LVM, separate partitions for /home, /var, /temp, /swap, and /. I have looked at logs in /var/log. kern.log, daemon.log, messages and dmesg, but have not found any relevant info ...
I purged all drivers/packages and tried a manual install using each deb package, but ran into some permission errors, so I purged again. I also purged xsane and reinstalled it, then did a complete printer reinstall using the brother Driver Install Tool.The tool works great, full functionality for the MFC-J4420DW. But I know I can't live with the power drain, and I would really prefer to use Gimp and the xsane plugin rather than simple scan ..
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Mar 29, 2010
So it's a beautiful day and I'll be happily using my computer when I realise that the screen is no longer showing that I'm typing or moving my mouse (or finger across a touch-pad). I can leave my computer in this frozen/crashed state for hours. My only recourse is to drain the battery or hold down the power button until the computer shuts down. The computer is a Dell Inspiron 6400 laptop/notebook. As my memory serves, it has an ATI graphics thingy. Radeon 1400, maybe. But I've had the computer for years and this behaviour has emerged only the past couple of months, with seemingly increasing frequency.
The OS is
# uname -a
Linux polaris 2.6.32-trunk-amd64 #1 SMP Sun Jan 10 22:40:40 UTC 2010 x86_64 GNU/Linux
(aka Squeeze?)
Sometimes this happens within minutes of turning the computer on and logging into Gnome. Sometimes this happens only hours after I've started using the computer (mainly just surfing the web). Sometimes it is preceded by a loud boop sound and the following if I have console open, sometimes not. So maybe that's unrelated. But that happened just now so I thought I'd throw it in.
One weird thing: Usually this happens within an hour of starting to use the computer, but one occasion I noticed I had not had the problem for several hours. On that occasion, the only thing I noticed I was doing that was also unusual: I had turned on and forgotten about a kvm virtual machine. After I shut down the vm, I had about only a minute before the freeze. I'm surprised now that it hasn't frozen since I started typing thing. Maybe I should always keep this forum open in a browser window.
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Feb 17, 2011
I am running testing (with fluxbox) and my keyboard periodically freezes, meaning whatever I type in it doesn't respond. This lasts a few seconds (can be 2-3 or sometimes even more like 10) and one's it comes back I get all the keystrokes I was typing during the freeze. The frequency of the freezes can be like 4-5 times every hour and are very annoying. I can't seem to relate them to anything, they can occur during heavy usage but also when the box is doing absolutely nothing but waiting lazily for me to type some google search terms.
Can anybody help me track this problem down? At the moment I am using a wireless keyboard but this must be unrelated since I tested a couple of other keyboards (both wireless and wired) and the problem persists.
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May 17, 2010
I have had some problems with Evolution. It sometimes freezes on start-up: I have to force it to quit. If I open "System Monitor", and end the evolution-alarm-notify task, then I can restart evolution successfully. I therefore suspect it is that which is causing trouble. What is it and how do I stop it?
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Sep 28, 2010
I run an old Toshiba Satellite M35x S114 Laptop with Debian Testing, it always runned smoothly - although it IS testing . Since the latest update to kernel 2.6.32 , the X server just freezes. The init goes all the way to gdm, and then a blank screen , no mouse pointer, no way to get out of this screen (not CTRL+ALT+BACSPACE not CTRL+ALT+F1 / F2 ... etc) just a hard reset.
I can boot to the older .30 kernel with absolutely no problem, gdm starts normally login successfull (as I am able to write this on the reffered machine and all).
Here comes the gory details:
>>> The graphic card:
lspci | grep gra
00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
>>> When it works with .30 kernel:
cat /var/log/Xorg.0.log
code....
Noting that there are no more Modlines in the new Xorg.0.log
Besides, X is disabling the mouse and keyboard in the configuration.
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Nov 25, 2010
I've run into an issue that I'm not sure how to address. I'm running Squeeze and upgraded my system this morning.
The packages upgraded were:
About 10 seconds after upgrading, the system froze completely and I had to do a hard restart. The system froze again 10 seconds after the bash login prompt was displayed (I'm not using a display manager) after reboot. The source of the problem appears to be my Realtek 8192SE wireless driver. I was able to boot the kernel in recovery mode and uninstall it, which has fixed the issue. Rebuilding the driver causes the problem again.
I suspect that something to do with the sysv and init packages affected the driver in this way, but I've no idea where to start in trying to fix this. I can't imagine this is a fault of the Realtek driver as it worked just fine up until this point.
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Dec 15, 2010
I am trying to install a paravirtualised SLES10 domU in a Squeeze beta 1 dom0. But the Sles distro does not exist in the list in /usr/lib/xen-tools when I run the xen-create-image command. is there a general name to use ?
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Dec 11, 2014
I am create Xen virtual machines.
I created a domu.cfg file with:
xen-create-nfs --ip 192.168.13.2 --broadcast 192.168.13.255 --gateway 192.168.13.1 --netmask 255.255.255.0 --nameserver 192.168.13.1 --initrd /boot/initrd.img-3.18.0 --kernel /boot/vmlinuz-3.18.0 --memory 4096M --mac 00:16:3e:01:01:01 --nfs_server myserver --nfs_root /var/exports/myhost --hostname myhost
I initialized it with:
xt-install-image --cache yes --dist wheezy --apt_proxy http://192.168.13.1:3142/ --mirror http://ftp.fr.debian.org/debian/ --location /var/exports/myhost
Then I started the domu with:
xl create /etc/xen/domu.cfg -c
And I receive this message telling me dhcp is used as I specified static ip:
IP-Config: eth0 hardware address 00:16:3e:01:01:01 mtu 1500 DHCP RARP
What can I do to desactivate the dhcp client?
remark: I used this equivalent former configuration with qemu-kvm and I booted with static ip without any problem.
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Sep 23, 2010
I have an NFS on my desktop, and mount it from my laptop: 192.168.1.22:/mnt/max/share /mnt/reddevil_nfs nfs rsize=8192,wsize=9182,timeo=9 Occasionally, access to the files suddenly "freezes". For example, if I try to run "ls /mnt" from the client, nothing will be printed, Ctrl-c does nothing, and the prompt never reappears; or, if I try to view that directory from thunar, thunar will freeze, or if I am playing a video from the share in mplayer, mplayer will freeze. I tried to unmount it:
umount -f /mnt/reddevil_nfs
umount2: Device or resource busy
umount.nfs: /mnt/reddevil_nfs: device is busy
umount2: Device or resource busy
umount.nfs: /mnt/reddevil_nfs: device is busy
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Jun 26, 2011
Anybody knows how to fix overlapping tasks in KDE system taskbar?Here System Monitor overlaps with digiKamWorkaround to rearrange icons - start any new task.Sorry for taking real photo of the screen. When I do PrintScreen KSnapShot task appears in the list and makes all task to rearrange. The resulting screenshot contains already fixed view.
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May 29, 2011
After upgrading from 10.10 to 11.04 all of a sudden, the task manager or task bar, keeps changing length. The individual window "buttons" themselves keep changing size - flashing even, and the space between them also changes. It is driving me nuts! The little system tray(?) icons no longer appear in the system tray, but all stacked on top of each other in the top left corner.
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Feb 10, 2011
How do you launch a task from a terminal command line interface and it not be kill'ed if you close the terminal window. Like if I run jedit I type jedit & which launches jedit as a backgorund task. But, if I close terminal window, jedit dies to. How do I laucnch jedit and completely divorce it from the terminal task?
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Jun 27, 2015
I have a ts3.desktop file in my /usr/share/applications folder that I want to run on system boot. I have typed the following commands which don't work
Code: Select allcrontab -e
Then in the editor, I typed the following line at the bottom of file. I also made the necessary carriage return after this line.
Code: Select all@reboot gtk-launch ts3 /usr/share/applications
Then I pressed ctrl+o to save it.
After I put these commands in, I did the following command to troubleshooting this issue, see below.
Code: Select all$ crontab -l
no crontab for server
$ps -ef | grep cron | grep -v grep
root 532 1 0 21:35 ? 00:00:00 /usr/sbin/cron -f
But after I reboot and nothing happens, the application doesn't start.
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May 19, 2011
I have my task list in evolution (mainly so it can sync with my phone and online task list) but I always forget to look at the task list. Is there an application or plugin which periodically displays the contents of the tasklist or even better, it briefly displays the most urgent/important tasks when I login? Or anything else which automatically displays the most important tasks. Currently I have to open the task list and look at them (which I usually forget). I do not mean some kind of alarm when the task is due but more a daily reminder of what to do.
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Aug 3, 2010
The question - before searching and reading - was "how is it done? (see subject)"The question now is - "am I interpreting it correctly?"It seems that basically 3 things need to be done:place a copy of the startup script in /etc/init.d;in rc?.d, define symbolic links to the startup script run chkconfig or insserv to activate the script.
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Dec 11, 2010
when i start my skype account after login, I minimize and on the task bar appear the Icon , but few minute after, the icon disappear from the task bar. If I check the process (wy typing ps -aux | grep skype) i found the process of skype, but I'm unable to get it in foreground (nor with alt-tab key. I was unable to see the skype icon).so every time I have to kill the process ad start it again.
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Mar 8, 2010
Using ant with
Code: Select all<script language="jython" manager="auto">
is failing
BUILD FAILED
/root/dawndusk/times_build.xml:25: Unable to create javax script engine for jython
at org.apache.tools.ant.util.optional.JavaxScriptRunner.evaluateScript(JavaxScriptRunner.java:86)
at org.apache.tools.ant.util.optional.JavaxScriptRunner.executeScript(JavaxScriptRunner.java:69)
I have ant-optional installed. Do I need to register specific languages?
Apache Ant version 1.8.0 compiled on February 20 2010
Detected Java version: 1.6 in: /usr/lib/jvm/java-6-openjdk/jre
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May 2, 2015
I saw that on every computer in which I installed LXDE on Debian 8 (the problem was not existing on Debian 7.8.0)
So I decided to use mate-desktop-environment but a brand new problem (always ) made his apparition when I try to use tightvncserver on a Mate desktop (no task bar, and memory growing GB after GB up to the memory explosion after 1 or 2 minutes with 16GB RAM -I will post another subject for that once I will know more things about it - since it is, after all, an huge problem causing the computer to crash if "reboot" our "vncserver -kill :1" is not quickly done)
But here talking about LXDE taskbar: others LXDE users, do you have this problem with the icons ?
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Dec 11, 2009
when I click "Firewall" a box comes up "firewall configuration startup" when I try to click 'close" nothing happens, I have to force quit the application, unable to make any changes to the firewall
I feel my fedora 12 expierence is going downhill fast, nothing is just working as it should
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Apr 10, 2010
they change positions every time and locking them only makes it harder for me to arrange them back.
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Apr 15, 2011
im reinstalling 11.4 on my laptop and I can't seem to get past the automatic configuration. It installed perfect earlier, and I'm not sure its freezing this time.
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Feb 16, 2010
Has anyone successfully installed the x64 on VBox? Is there a different way to install the x64, because I don't think VBox can process this version. The few problems I have are:
1) it freezes during Auto Configuration.
2) freezes during boot initialization.
3) after reboot it keeps prompting me to complete a failed install, and doesn't matter if I accept to complete or not, I have the same problem.
4) freezes randomly executing system programs.
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May 14, 2010
IBM ThinkPad X61
Windows Vista Home
Wubi Ubuntu Karmic
I tried to upgrade to Lucid Linx while in Karmic Koala but the installation process froze while doing something with "memtest86+". CTRL-C got it to unfreeze and finish the installation but on a restart when I chose the Ubuntu OS it kept restarting rather than booting. I decided to start fresh.
So I booted into Vista and uninstalled Wubi Karmic Koala and proceeded to do a fresh install of Wubi Lucid Lynx. The installation, including the reboot, went smoothly. However, when the Update Manager was installing software a new screen popped up saying this:
Window Content:
[Title:] Debconf on Ubuntu
[Message:] Configuring grub-pc
[Checkbox:] Continue without installing Grub? (unchecked)
[Help button: explains consequences of not installing grub]
[Back button] (greyed out)
[Forward button]
So I leave the checkbox unchecked and click on forward. Nothing happens. All the Update Manager windows remain the same and nothing changes when I hit the Forward button. The "Applying Changes" window is stuck at "Setting up grub-pc (1.98-1ubuntu6) ...".
Can I safely force quit the Update Manager installation? Why am I getting that message about Grub? I didn't choose anything like that.
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Apr 28, 2011
When emacs freezes doing a DNS lookup, that makes it rather hard to fix a network configuration file. Why does it need to do that?
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