CentOS 5 :: Xvnc Crash In 5.4 X86-64?
May 7, 2010
When running Matlab (7.10.0.499 (R2010a), 64-bit (glnxa64)) on CentOS 5.4 using vnc, the Xvnc chrashes and this is logged in syslog:
# grep vnc /var/log/messages
May 5 15:37:47 hornsund kernel: Xvnc[7195] general protection rip:594c79 rsp:7fffa0085318 error:0
May 6 12:30:43 hornsund kernel: Xvnc[7003] general protection rip:594c79
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CentOS is up to date as of beginning this week. Doing a quick net check suggests HW-problem ( HP DL380 G6), but I've tested both memory and cpu(s) without errors. We also had the same problem on Scientific Linux 5.4.
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Mar 2, 2009
I'm setting up my CentOS server and I'm having issue with the VNC server. I've set up xinetd services for connections all of which work individually bringing me to a login window. But only one will work at a time. If I kill the process or if I click the disconnect button I can make a new one but as they are terminal sessions (using wait) I wanted to be able to leave one logged in and have the option of another connection if I wanted to log on a different user.
Can someone help with the setting which would be to allow more than one connection? I know if you setup permanent session paths in vncserver this should work but (and I'm sure this has worked for me in the past) the xinetd method is supposed to open up sessions as required. I am working from a write-up for doing this in Ubuntu and aside from odd path differences the only noticeable change is the guide uses vnc4server rather than vncserver that comes pre-installed on CentOS. Should that matter?
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Mar 30, 2011
I have some trouble with my hp workstation xw4400 with an ATI FireGL 3300 and the X-Server. There was no problem with the graphical install routine and the graphical boot works fine. But when the system changes into the login-screen, then it results in a black screen and a more or less frozen system.
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Feb 12, 2010
I just added 8 additional vncserver sessions(Xvnc) (using a well-documented procedure my predecessor used) to my RH Enterprise 2.4.21-4 (OK it went by fast) server. This brings the number of session listed in my /etc/sysconfig/vncservers file to ~32. Applications and terminals now seem to choose if they will open or not in the Xvnc session and not all sessions start at boot. I can start them manually, and they will work, but then they stop working properly. You can open a session, view the active desktop, click on menus and associated drop-down items to try and open apps, but the apps/terminals just won't open. Is there a limit to the number Xvnc Sessions that can be managed? If so, what is it? This happens whether I try to connect from a Winddows box or another Linux box.
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Mar 23, 2010
I have xinetd starting the VNC server.I'd like to leave the system at runlevel 3.Before xinetd starts Xvnc I want it to execute telinit 5.When there are no connections to the VNC port, it should drop back to runlevel 3.Is this possible? Would xinetd point to a script instead of the Xvnc binary? How would I switch to runlevel 3 once all connections dropped?
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Nov 17, 2010
I am running 11.3 with Remote Admin(VNC) turned on. This has installed TightVNC.I also have also enabled xinetd to manage the startup of new (incoming) VNC requests.All this is working just fine. So, what's the problem, you ask? Its that missing Shift+3 symbol. To reproduce, I run TightVNC (viewer) from a variety of clients (Win & OpenSUSE) to a number of OpenSUSE servers with xinetd managed VNC services enabled. The Xvnc sessions start and the clients display the KDE log-on screen. You will notice that in the username field that the sign is not displayed.
I have run a parallel VNC service (is it Xvnc or vncserver?) which gave me a twm session. It also is missing thesign, so I conclude that it is not KDE that is causing the problem?Secondly, a scan throughog file produced by the parallel VNC service shows:Code:KbdAddEvent: unknown KeySym 0x3a - allocating KeyCode 92 Has anyone any suggestions on how I can get my pound sign?
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Aug 27, 2010
I have a VNC connection running to my Ubuntu 10.04 server [URL]. This was running fine for a day or 2 after that, sometimes it worked and sometimes not. When it didn't work, I could connect with VNC (i got a gray window with the cursor) but no login screen was shown.
After some testing I now know what the root cause is. When I disconnect the screen from my server, I don't get the login screen. When I connect the screen (even if it is not powered) after a reboot, I can see the login screen. Next I was looking for some logging that could indicate some problems. I looked into "/var/log/Xorg.0.log" and there I see a difference when I connect/disconnect the screen. When the screen is disconnected, the log says:
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(II) intel(0): Integrated Graphics Chipset: Intel(R) Pineview G
(--) intel(0): Chipset: "Pineview G"
(II) intel(0): Output VGA1 has no monitor section
(II) intel(0): EDID for output VGA1
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Jul 3, 2009
I am using CentOS5.2 and gnome 2.16, sometimes (not very often) when I open something and close it by clicking the CROSS on the top-right corner. The application crash and I lose all control (no keyboard anymore), I have to reboot the system by reset the machine. What's going on?
Yesterday, when I logon as root and run service setup, after I uncheck a sevice in the list and then start it, I click the CROSS on the top-right corner of the window, it popup a window (in the background) to ask me to save it or not, but then I total lose the control, no mouse, no keyboard. I try to reset the machine many times, but everytime when I repeat the same operation, it crash again. Seems that if I don't close it, everything would be fine!!!!
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Jul 7, 2009
when open an pdf and close the tab/windows at firefox I get the error at syslog: kernel: npviewer.bin[21396]: segfault at 0000001000000000 rip 00000030abe2646c rsp 00007fffb0978ca0 error 4
I use the last Acrobat Reader.CentOS 5.3 x86_64
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Oct 25, 2009
My exercise below is to check if glxgears crashes xorg of CentOS5.4 with Intel GM965 Chipset. Apparently I don't have luck in this case. Since the exercise failed, it means I will still stick to CentOS 5.2 (residing on a different partition) for a while, even though CentOS5.2 crashes glxgears too. After "yum upgrade" (done after moving all repos in /etc/yum.repos.d to elsewhere except CentOS-Base.repo and CentOS-Media.repo), I ran glxgears that consistently crashes CentOS5.2 xorg, an issue that upset me quite a bit.
During upgrade, I saw a line "grubby fatal error : unable to find a suitable template". I guess the my grub.conf is too confusing for the installer, but that is not big deal, I just used the kernel number 2.6.18-164 where it is applicable. Even this this new update, glxgears still crash the xorg (the screen froze and then a new login screen reappears). With this I am sure the 3D application might still crash the xorg from time to time. (I can still revert to CentOS5.2 with a tar file, but I am still thinking to just upgrade to Centos5.3 but I don't know how.)
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Nov 29, 2009
I using only Livecd CentOS 5.4 and my system crash in day about ~3-5 times , so I tired and want to know why this happen. (before I used live-cd 5.3 about 3 weeks and this problem still was. info : Linux livecd. localdomain 2.6.18-164.el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 i686 athlon i386 GNU/Linux.I load system perfect and If I just browsing then I will have crash after 5 hours latter , but if I install wine , xmms,lame,xmms-mp3,k3b-mp3,flash-plugin and after installing software I will look movies from internet , or lisining music on xmms mp3 format - my system UPTIME max will be ~30 minutes or less..And I want to ask, or in Live-cd I can start Firewall ? Becouse I think it's not started and then I try to ENABLE its looks like not responding.
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Sep 30, 2009
this message is a bit long but I've been pulling my hair for 2 days now. I am installing Centos 5.3 on a Dell Powerege R610, x86_64 flavour. That part goes well. next is testing backup & restore. I've tried MondoArchive, that I used on other OS, but it fails to remount the LVM correctly, and disk formatting fails. Now, I am trying another way: boot with centos 5.3 i386 live cd, take the disks online, cpio to a usb file everything but: /tmp /proc /boot /dev /etc/fstab /etc/mtab
then, reinstall a fresh centos to erase the disk (crash simulation) and to simulate the initial restore I would do after a crash. From there, I go again with the livecd, mount r/w the logical volume, cpio -i all my files, and reboot. It sort of goes well. system reboots correctly - it loads all my drivers (even asterisk & dahdi and the T1/E1 card light goes green...), starts KDE, but from there I get an infamous error message preventing me to log in "Your session only lasted less than 10 seconds" - looking in the details, i get this message "could not exe /etc/X11/xinit/XSession default' - but I dont think X11 has so much to do with it...
When I go to a text console (ctrl alt f1), and try to log, no luck either - and no time to see why. I've modified initrd to level 1 - there I get the single user prompt, that's ok - but init 3 brings me to a screen where I cant log (either with root or a user) - there is a clear difference between an incorrect password and a failed login - the later, as soon as I enter the password, I return to a login prompt Now my questions. 1/ how can I make a "system backup" of Centos 5.3 x64 -ie after a crash, I want an image tha t I will restore and bring back OS + Applications (data can be backed up separately) 2/ what is wrong with my restore thru livecd ? why cant I log into the system ?
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Nov 4, 2009
I can crash my entire X session by running seamonkey 2.0 and going to http://wiki.centos.org/HowTos/KVM
Backtrace:
0: X(xf86SigHandler+0x81) [0x80c58d1]
1: [0xb8091400]
2: /usr/lib/xorg/modules/libfb.so(fbCopyAreammx+0x21e) [0xb7e206ae]
3: /usr/lib/xorg/modules/libfb.so(fbCompositeCopyAreammx+0x66) [0xb7e20776]
4: /usr/lib/xorg/modules/libfb.so(fbComposite+0x57b) [0xb7e114fb]
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I'd rather not switch back to SM 1.1.18 as 2.0 is so much better. I've had this same crash on at least one other page too (not on centos.org this time).
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Feb 4, 2010
I've installed Centos 5 on 2 serveurs.The first one export the file system with NFS.The second one use amd to automount the filesystem with the link/net/@IP/Shared/folder/On the client side, I mean the second server, there is some logs into the messages system telling us the the process gam_server as crashed (segfault)On the first one, sometime, NFS Freeze, and nothing is available. This need a Hard reboot of the server in that case.
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Mar 12, 2010
I installed the last CentOS x86 with Gnome on an IBM Netfinity 5600 Server but after the install, at the reboot, when X start i got many colors bars with the X cursor of the mouse in center of the screen and the server is frozen.I looked if the good display driver was load, and it all right.Booting at runlevel 3, but nothing more.. same problem when i start the configuration or X.By the way, i'm new here so please, don't judge me for my knowledge.Usually I was using Slackware)Here the specs for the server:-2x PIII 800 CPU-1024Mb RAM-6x SCSI HDD 18.5Gb in RAID 5-Graphic card: S3 Trio3D 4MbIs the card too low in RAM to run X?
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Nov 11, 2010
I recently had to power off my Centos 5.5 box (ungraceful shutdown). When it came back up, three apps popped up: "Welcome to the Gnome Help Browser" (which is Yelp). In another desktop, Konqueror is waiting for a login. This happens every time I restart my system. I haven't been able to figure out how to stop this. Every time I've shut down my system since I had to bring it down hard, it's been gracefully and neither of those apps was running.
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Jul 19, 2011
I am running matlab 2010b on centOS5.6. Matlab opened without any error either in the computer terminal or in VNCSERVER. While running bench (of matlab) the session or the vncserver are crashing.In some cases the bench run for the first time without any problems, however it will crash the session or the vncserver on the 2-3 runs of the same code.
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Jul 30, 2009
After CentOS5.3 install to /sdb7 partition (on 2nd HD) and using Ubuntu Grub(on 1st HD mbr) to boot CentOS, I get "memory for crash kernel 0x0 to 0x0 not within permissible range" as soon as CentOS starts. I have 2G of ram. The message is on every boot. I've had several other linuxes on that partition without such an error message. Otherwise the OS starts fine. Is the message of concern/import?
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Oct 5, 2009
it says this at start of boot:memory for crash kernell (00x00 'or something like that') not within permisiable rangeotherwise no problems for now, ewerything runs fine.
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Jan 21, 2010
I just install CentOS 5.4.
The first message it gives after grub is Quote:Memory for Crash Kernel (0X0 to 0X0) notwithin permissible range
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Aug 13, 2010
I have installed 2 extra 1.5TB drives on a stable Centos 5.5 system. They are set up with 2 unequal partitions on each - with 2 raid 1 arrays. The largest of the raid arrays is used as a new volgeoup with 2 unequal LVMs. The larger of the LVMs is around 1.3TB. I installed an ext4 filesystem (default parameters) on the larger LVM.I went to mount the LVM - the system hung. No keyboard or network response and no response to the soft shutdown button.It was the deadest I have ever seen it - and this system has been incredibly stable.
In the absence of any other suspects - I am tempted to blame ext4 - since I have never used it before - and since wikapeadia tells me ext4 isn't supposed to be in the 2.6.8 kernels...:
[URL]
I will do some more testing on this tomorrow to try to confirm my suspicions. I will try to repeat the crash - then try mounting it as ext3 to see if it behaves differently. Any other tests I should do?What is the status of ext4 in RHEL5.5. Has it been added to the 2.6.18 kernel by RH? Is this what is meant by a "back port"?
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Oct 5, 2010
I followed the instructions on [URL] /PluginsFor64BitFirefox but it still crashes as soon as I visit a website with java
[xxxxx@xxxxx01 tmp]$ firefox
Exception in thread "main" java.lang.NoClassDefFoundError: sun/plugin2/main/server/MozillaPlugin
Caused by: java.lang.ClassNotFoundException: sun.plugin2.main.server.MozillaPlugin
at java.net.URLClassLoader$1.run(Unknown Source)
[Code]....
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Oct 18, 2010
Is there any command available inorder to read the server crash dump files?
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Apr 25, 2011
Client has a server running 5.5 (I think) and it they moved locations. This server is used in other locations (state) via ssh tunnel as well so they can all access files.
When attempting to boot up I get screenshot 1 (superblock errors)[url]
They supposedly have a backup on a hot swap scsi and I want to know how/if I can restore it using that backup if I cant fix the superblock boot/error issue.
I took some other screenshots:
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Jul 19, 2011
I am running matlab 2010b on centOS5.6.
Matlab opened without any error either in the computer terminal or in VNCSERVER.
While running bench (of matlab) the session or the vncserver are crashing.
In some cases the bench run for the first time without any problems, however it will crash the session or the vncserver on the 2-3 runs of the same code.
Any idea how to solve this issue?
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Jun 11, 2009
every time when /usr/bin/puplet try to talk to yum-updatesd via D-Bus, yum-updatesd will crash. After restart of yum-updatesd and call /usr/bin/puplet from the console I get this message;
Error getting update info: Message did not receive a reply (timeout by message bus) Introspect error: The name edu.duke.linux.yum was not provided by any .service files Traceback (most recent call last): File "/usr/bin/puplet", line 191, in _refreshInfo if self.updatesObject is not None and AttributeError: DBusException instance has no attribute '_dbus_error_name'
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Aug 5, 2009
I just updated CentOS 5 to latest kernel 2.6.18-128.2.1, but after reboot the new kernel crashes...If I witch to 2.6.18-92 kernel it works...
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Jul 28, 2009
Sorry if this is in the wrong group but its a bit of an odd one but I think comes under Server Support.. I've set up both x11vnc and freenx in an attempt to eliminate either as a cause for this issue. The problem is that when I log in with either, I can get into the desktop and run things from the menus but when I make the System menu active - the session hangs and you have to killall for the freenx or vnc processes.
I was wondering if anyone might be able to help me investigate this and hopefully fix it as I'm not sure where to look given that both types of remote connection seem to have the same issue.
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Mar 17, 2010
I'm using centos 5, kernel 2.6.18-164.11.1.el5I have occasional server network problems (the NIC driver will basically crash/restart causing no connectivity for a period of time) due to the marvell sky2 NIC driver being a problem, as discussed here: This essentially means the server is unreliable when under any kind of reasonable load, to put it mildly.Worse still, the driver problem has not been resolved in 2.6.18.x - but it seems to have been resolved in the latest Linux kernels.I really don't want to compile the kernel from source, etc, but it looks like I may have no choice.Is there a repo which has a pre-compiled 2.6.20+ or 2.6.30+ kernel which I can use,
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Feb 1, 2011
We have had a hardisk crash in our RAID1 webhosting server running CentOS5 and Plesk. We first realized something was wrong when our main site didn't load but showed MySQL errors. We then found out that the system was in read-only state. Something that also happened the day before yesterday, but we could fix with a FSCK. Then the system worked well til around 18 hours later when it crashed with the same sympoms. So, we rebooted the server and wanted to do a filesystem check again. But the HDD wouldnt even load. It was gone. Unfortunatelly it was not realized that the second disk in the system was also not working any more for some time now. Fortunatelly we had our main site backed up externally though. So we could re-install a fresh box and mounted the two drives to the system. We checked the harddisk. One is practically empty (the older one), the other has almost only files in 'lost + found' but these are all "numbered", no real filenames or so.
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