OpenSUSE Hardware :: Memory Swapping Causes System Failure?
Jan 11, 2010
We have a four socket amd machine, running barcelona processors, with 64gb ram.The system runs for extended periods just fine when the system is running up to or below the 64gb memory limit. A typical load on the machine has short periods where the machine uses heavy amounts of swap space (30+ Gb). We have a swap partition of around 96Gb. When we push the machine into heavy swapping, the machine will fail within 24hrs. Has anyone experienced this problem and is there a solution other than buying more physical memory? Or am I wrong and maybe the physical memory is the issue? I thought maybe it was the memory itself, and after stripping the memory down, I get the same problem...failure upon heavy swapping
My SD card is recognised by OS 11.3 if it is inserted at boot up. If I remove it and reinsert it, the devise monitor states 'no devices plugged in'. This is a problem that I have also had (and reported in these forums) with 11.0, 11.1, 11.2.Now I notice that there is a section for 'removable devices' in the system configuration. But even if I click the box 'enable automatic mounting of removable media' and the sub-box 'automatically mount removable media when attached' the SD card is not remounted, there remain 'no devices plugged in'.
I'm trying to stop swapping on my system (without using swapoff -a). So I do: echo 0 > /proc/sys/vm/swappiness vmstat 5 and I still see swapping activity under si and so. Am I missing something?
the power on my street went out overnight, and I came home to a rebooted computer at the command line. I shut it down and rebooted again, also tried the failsafe mode, but it keeps going to the command line. Looked in the BIOS and it didn't see my hard drive settings. But I can see the HD fine when I booted using the live CD (that's how I am able to post here
openSUSE 11.2 installed on machine with 5GB memory but System Information in KDE desktop shows only 3GB total memory. Just added a further 4GB but no change shown in System Information.
Is there something I must do to have sysinfo report true value and does this mean that memory not shown is not being used?
I have a system with 1 GB RAM. I'm running KDE 4. I created a tab to look that the Physical Memory in the System Monitor program, which I assume appears to look at the same stats that "top" looks at. In that Physical Memory tab I have 3 tables: Used Memory, Free Memory, and Application Memory.The Used Memory table shows that the system is using .94 of .98 GiBytes. The Free Memory table shows that the system has .5 GiBytes of RAM free.
However the Application Memory shows that only 339 M-Bytes of RAM is being used.Note that "top" shows the same info.So where is the other .6 GiBytes of RAM that the Used Memory table shows as being used?If I look at the process table which is supposed to encompass all of the processes running, including the ones for the OS, then it appears to add up to the 339 M-Bytes being used in the Application Memory table. Is the rest of the memory being held in reserve by the OS to be used as needed? If so, then why when another application is opened the Free Memory goes down instead of staying constant?I also noticed this memory "black hole" when I was running 11.0 on a system with 4 GB of RAM. The OS appeared to "take up" a large chunk of memory that was NOT being used by any applications and making it "disappear" - meaning that the applications were using about 1.3 GiBytes of RAM and Free Memory was showing only .7 GiBytes instead of the over 2 GB of RAM that should be free.
How do you swap between primary and secondary languages for the keyboard (using GUI not terminal codes since this is for someone else who is a beginner at computing)? I installed the secondary language in the "language" section of yast, but can't see any options for swapping on the fly. Lets say they do 99% of stuff in english, but get an email they want to respond to in the secondary language or want to write a text document using the secondary language, is there a way to switch back and forth on the fly?
Toshiba notebook is set up to triple boot win7, mepis 8.5 and os 11.3.Recent update of os11.3 left system with boot failure, "file not found".I booted mepis and used utility to reinstall grub, but no joy. Appeared to install ok but on reboot, sda5 identified as 'mepis' not os11.3 and would not boot. Win7 & mepis boot ok.
Next, booted live Parted Magic and repaired as per another thread here, but again, no joy.NONE of the systems will boot.Rebooted mepis live cd and reinstalled grub again. Sda5 still identified as mepis and will not boot. Win7 & mepis boot ok.
I just opened an (unmanaged) VPS account and and have been encountering nothing but problems with trying to get Apache up and running (its something I've done many times before).Basically the inital error was with LDAP not having enough space, so I disabled the related extensions and Apache still would not run. Looking at the log, it contains: (28)No space left on device: Unable to create scoreboard (anonymous shared memory failure)
I am trying to install 11.2 on a Dell Poweredge 2550 - two processors,all scsi, raid disabled, ATI grahpics. Fails at "failure to mount clich file system" - reboot.
we found that if we use 'top' to show the memory usage of a server (SuSe Linux 10), we can get virtual memory usage as well as 'Resident memory' usage. For virtual mem or a particular process, it is around 1.1GB, which is large but for resident memory, it only consumes 300MB. Are there anyone who knows what the differences are? I would also like to know whether the difference (1.1GB - 300MB) = 800MB are actually available for use by other applications in the system.
I have (had) Debian Testing running on a 250GB IDE hard drive, partitioned normally.
I also have 4x 1TB drives in a raid 5 using mdadm, and 2x 500GB drives in a raid 1 also with mdadm.
I put the two arrays in lvm using:
I then used "lvcreate" to make storage/backup 300GB, and the rest went to storage/media (approx. 2TB usable). I put an xfs filesystem on both and mounted them.
All was working fine until the system drive shorted out and died on me this morning. As far as I can tell, all my other drives and everything else is fine. I do a daily rsnapshot of the filesystem, which of course is residing on storage/backup (stupid, I know). So I have full backups of everything, but I'll have to put a new hard drive in and reinstall Debian before I can restore everything.
I've reinstalled before and simply reassembled mdadm arrays and remounted them before with no problems, but this is the first time I've used lvm, so I'm not sure what I have to do to restore everything. Is it as simple as reinstalling the system then doing a:
Is there a system admin tool for RHEL on montioring and logging system memory used and released that can dump to a log file?I'm having an issue with memory not being released when an application is closed. I need to have a tool monitor and log so I can troubleshoot to verify that it's an application not the OS.
I am using Fedora 8 in my PC and i'm trying to create a shared memory (below is the sample program) i'm getting error while creating shared memory. Can anyone pl tell what is the possible cause for this.
I have Mythbuntu 10.04 installed on an exclusive HTPC and working great... until tonight. After letting the system update some packages (161 packages if I remember right), I suddenly have an issue where the graphical system won't start. After researching I found three error messages that might be causing that.
1. At the start of splash screen I see "UUID=xxxxxxxCD7 not ready yet or not present" I checked in /etc/fstab and found that this is the swap partition. I don't remember seeing this before so this could be the culprit.
2. I'm not at the computer in question right now but I saw a Plymouth error about "mountall" and then the message "plymouth command failed". Not sure if this could be the main error.
3. after a while (usually ca. 1-2 min) I receive thousands of errors of the kind "out of memory"... "kill process XXXX" (process vary wildly e.g. dbus-daemon, mysql, etc)... "process killed"..."respawning"
After error 3, I'm not able to switch to graphical console (ctrl-alt-F7). If I was in the graphical console at this moment, I simply can't switch to the CLI console. I'm always afraid of updating my system since I've seen lots of things breaking afterwards (usually the proprietary graphic drivers) but this is really strange.
I was just trying to get used to everything and I noticed something in the task bar that said you have updates that failed to install (or something along those lines). So I opted to install them manually with YAST2 and during the installation some of the files were failing to download, I was unsure what to do with these files (their was a ton of them, I had to actually sit at my pc for over an hour because I couldn't let it go through on it's own due to all the failing downloads and installs) and so I just decided to skip them, everything seemed to be going along normally. Then my computer froze, so I restarted and tried to boot into opensuse and it kept freezing, (I even went to my brothers house to play the xbox with him for a while) and no matter how long I waited for it wouldn't boot into opensuse. I tried the failsafe mode and it just kept coming up with an error (I probably should have written the error down, I wasn't really thinking about that at the time) and after about half a dozen tries, decided to reformat everything all over again.
So with these failing downloads in YAST2, what am I supposed to do with them? If I retry they just keep failing, so the only other options are abort and skip, am I supposed to skip them or is that what caused this to happen in the first place?
When I start bluej and try to open files from my memory stick the memory stick is not available. Is there any way that I can open files directly in bluej from my memory stick.
I need to know: how do not automatically restart GNU/Linux after a critical system failure(kernel panic). For some reason the pc is rebooted, actually throws the error screen Reboot just moments before, but I can't to read it before you reboot.
I get a complete system failure when my CPU is stressed. It's not the temperature because when it crashes the CPU temp is only ~55 C. When it crashes the video freezes but the sound repeats itself. Example. I start handbraking a movie, then open a tv show in VLC. This is what I hear.
Did you get that tire - then it freezes
get that tire get that tire get that tire get that tire ... etc
That continues until I reboot my computer. This crash is pretty reliable, as every time I load my CPU that happens. If I don't do anything CPU intensive, I don't get the crash. Also, if I only load up one core of my CPU, then everything is fine. However if I run something such as prime95 or handbrake (which both utilize all 4 of my cores) the computer will crash within 30 seconds.
Ubuntu 10.04 Corsair 750 TX PSU AMD Phenom x4 @ 2.3 GHz 4 GB G.Skill 1066 DDR2 Memory Nvidia GTS 250 1 GB edition Biostar AMD 770 AM2+/AM2 Motherboard Three HDs, two are WD of 1 TB and 120 GB, and a 32 GB SSD.
Been running Fedora for a while now, iterating up through versions to 12. Decided to to a clean install upgrade to 14. Apparently, bug mistake. Everything seems to be progressing fine, but after 'transferring install image to harddrive', the 'Starting Install Process' fails withsystem-config-lvm-1.1.15-1.fc14.narach.rpm cannot be opened.I have no idea what to do with this. I've reburned the install disk a couple of times (and checked the HASH) -- no apparent problems with the install media.Tech details: x86_64 install on a multi-pro box with a 3ware raid 5 controller (5 disk). I've never run LVMs. Two simple hard partitions (/ and /home). Fedora 12 installed with no problems (as did every other version of Fedora <=12).---------- Post added at 12:29 PM ---------- Previous post was at 11:54 AM ----------Some additional information:1 tried Fedora 13 -- wouldn't even recognize my disks. Installer hung at trying to find basic storage. Not a good sign2 tried my old Fedora 12 install DVD -- again, worked like a charm. Expect that F12 repos are now closed.
So, it seems as if some 'change' between F12 and F13/14 has made some part of the install process choke on my 'hardware' (I'm guessing something related to 3ware RAID card). ---------- Post added at 01:51 PM ---------- Previous post was at 12:29 PM ----------I just tried CentOS 5.5 (x86_64). Also installed fine. For some reason, Fedora >= 13 absolutely won't let me get past the problem noted in the OP. I suppose I could go with CentOS (for long EOL support), but I need some of the newer compiler/dev libs in Fedora 14 for some projects I'm working on.
I'm at a loss in trying to debug a problem I have with my media centre. Basically I'm getting random system hangs and when I say hang I mean proper hang - processor stops dead. No animation, not network connectivity, no keyboard/mouse response, nothing. As for it being random - it has happened during movie playback, during idle, after being up a short time, or a long time, it doesn't matter, so it can happen any time really. The logs show nothing suspect, except they just stop and there is nothing common between the logs of two failures. It happens on both my 'old' ubuntu 9.04 partition and on my new 10.04 partition.
I recently installed Lynx 10.04 amd64. Twice now, my entire file system has become unusable -- each time after a short power outage (2 seconds).
In the first setup, I had two primary partitions: 1) / that was ext4; 2) /home that was ext4.
In the second setup, I changed the /home to ext3.
Both times, after booting up following the power outage, I received a message saying that "serious errors" were found in /home. But, after several reboots, I was able to login and use the system. Then, some time later, I would started getting "Read Only" messages when trying to write to the file system.
fsck gave the following message: "/home terminated with status 4". I received numerous "I/O error" on sda messages.
My question: Is this vulnerability due to using ext4 or is it related more to something else in Lynx 10.04? Further, what can I do (other than buying a power backup device) to avoid my file system becoming unusable after a power outage?
I recently had to restore my system via clonezilla due to hdd failure. I frequently back up my /etc/apt folder as well as some other configuration files and settings that I use in my system to bring my restored image up to date with my ever changing preferences, etc.
I noticed the problem when I replaced the etc/apt folder with my backup version. After replacing the folder, I ran 'sudo apt-get update' and imported a list of all my previously installed software. Then I ran 'sudo apt-get upgrade'. I didn't get any errors at all during any part of the update and upgrade process.Then this popped up in my panel, and won't seem to go away.
I'm trying to come up with a startup init script that will check to see if the system was shut down gracefully, or if it is rebooting from a poweroff or something similar?Anyone know of a way to check for this condition with the least amount of room for false positives or vice versa?My intial thought is just a startup script that will will check for a file on startup, and on a proper reboot/shutdown just touch the file. But id like to avoid that type of script if possible,
I am using Linux operating system fedora 6 .Before today everything is going well. But today internet connection gets failed. It can not connect to the server for the internet connection. But in the same computer,installed windows operating system shows the internet connection.Please try to answer my question why the Linux operating system can not connect to the internet?
