Slackware :: High HD Activity Bringing System To Crawl When Browser Is Open
Apr 24, 2010
I'm running Slackware 13 with a custom kernel based off of 2.6.32.3. I tend to leave my system on 24/7, as well as my web browser. Originally it was Firefox and now it is Google's Chrome. Usually about a day of leaving the web browser open my HD activity spikes so high that I can barely do anything on the system until I kill the web browser. This has been happening with both Firefox AND Chrome! As soon as the browser processes are killed, the system returns back to normal.
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Aug 19, 2010
I have a firewall / proxy that has an extremely high load, but I can't figure out what's using it. No real cpu usage, the disks are sleeping except for a little log activity, it's on gigabit ethernet and not close to maxing out... Command link stuff runs fast, nothing seems slow, yet the load is sky-high. IME this kind of load is associated with a lot of disk I/O, but that's not the case here. What could be causing this, what else factors into the load?
uname -a:
Code:
Linux myfirewall.mydomain.com 2.6.8 #1 SMP Mon Oct 18 11:20:22 CDT 2004 i686 i686 i386 GNU/Linux
top:
Code:
07:55:43 up 1503 days, 17:13, 5 users, load average: 26.50, 26.33, 26.25
Tasks: 245 total, 2 running, 243 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.6% us, 1.1% sy, 0.0% ni, 95.0% id, 2.7% wa, 0.2% hi, 0.5% si
Mem: 3895508k total, 3582272k used, 313236k free, 207468k buffers
Swap: 2040244k total, 112664k used, 1927580k free, 1358744k cached
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Jan 15, 2011
I have recently started using this laptop as a host for tinkering with vmware. I have wicd installed on it, which normally brings up wlan0 and connects to the nearest configured wireless lan automatically.
Vmware has installed another, virtual, NIC on the host, called vmnet8. I configured it in /rc.d/rc.inet1.conf with a static IP.
Now when I boot up the laptop vmnet8 starts up and running and correctly configured, but wlan0 doesn't. I have the wicd icon in my systray but it doesn't find a network, even when i click on it and refresh etc. I have to open a terminal and "ifconfig wlan0 up" in order to get the NIC up. Then wicd works fine.
Networking configuration in Slackware looks like a bit of a nightmare frankly (why i usually use wicd!) so I thought i'd ask you chaps before messing about too much.
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Jun 5, 2011
I noticed that sometimes my Linux server will randomly start to lag really badly, to the point where even a http request takes forever. It is an Intel Core2Quad with 8GB of ram running FC9. This is my "Everything" server so it does file, email, DNS, web (for local stuff only), VMs and so on. There are about 5-6 VMs running on it at any given time. I manage it through a VNC session and have some SSH consoles within that session. This way if I reboot my PC I don't lose all my SSH consoles. If I need to SSH to any server I do it from there. I treat it kinda like a terminal server to some extent.
When this slowdown happens, top is not really useful because I also do F@H so that will always be to the top, but it's low priority. The VMs are also always near the top. This does not change whether it's slow or not, so when it's slow, I have nothing to go by on how to troubleshoot. The load does seem to skyrocket though. Right now it's doing the slowdown thing and it's at 8.09. Normally it's at around 3 which imo is good as it it's under 4. I have 4 cores so anything more than 4 means it's queuing. At least that's how I understand it. This is the output of top:
Code:
[root@borg ~]#
[root@borg ~]#
[code]....
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Mar 15, 2010
I have never had this problem before but when i boot the system hangs for about 2 mins when brining up my harddrive I am using scsi disk support and the newer ATA driver for my Harddrive (the same as ive always used but for some reason the system just hangs for like 2 mins then boots normally
this is somthing that urks me and i know im missing somthing the platform is a hp nc8230 notebook please request any information or how to provide it as i am new to linux (kinda) but for the life of me i can't figure this one out
[Code]...
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Mar 18, 2011
So I am basically just curious about this, but is there a way to prevent fork bombs from bringing the system to grinding halt in Ubuntu, without setting hard limits on the resources available to users? I read about fork bombs on Wikipedia, and being the masochist I am (and not having any unsaved work), I tried entering those 13 characters into terminal. Wow. I have never seen a computer freeze up so fast.What really peaked my curiosity is that the same fork bomb has almost no effect on the performance of Mac OSX (10.6). I know that one can limit the availability of resources to specific users. Is that essentially what Snow Leopard is doing?
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May 13, 2011
Compaq N600c w/ Slack 13 loaded...it's an older workhorse that began behaving oddly after the user dl'd a background image for her desktop...on login, the laptop would spawn hundreds of terminals once producing a load avg of 40.5 -never seen that before- as well on shutdown and startup I start seeing the appearance of the following characters ^[[[D repeated hundreds if not thousands of times on the screen, boot and shutdown will progress to completion but it's unintended behaviour, therefore suspect in my mind.hd thorough self-test passed and memtest is not showing errors on it's second pass
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Jan 19, 2010
Was wondering if this is normal. I have a laptop which is about a year old. Recently my battery died (it last 10-15 minutes instead of 3-4 hours as it was before). I ordered a new one. While waiting for the new one I started to investigate power consumers (processes) on my machine. I run slackware64-current. with 2.6.33-rc4-git7 kernel. config - is slightly modified config-generic from -current. I attach t here for any case. Here is the output of powertop:
Code:
PowerTOP version 1.11 (C) 2007 Intel Corporation
Cn Avg residency P-states (frequencies)
C0 (ЦП работает) ( 9,0%) 2,27 ГГц 2,6%
[code]...
How can I decrease number of wakeups?
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Mar 15, 2010
I have Karmic installed on three different computers (work, home and laptop), but on my home desktop there is a strange performance problem. During disk activity it sometimes becomes completely unresponsive. The mouse cursor doesn't even move. It actually seems fine when it first boots up, but it gradually gets worse as I use the computer for a while until it eventually becomes completely unusable. I'm only having trouble on the one system.The drive in the system is SATA, and I already checked to make sure DMA was on. It is a x86_64 kernel.I tried adding noapic to the kernel boot line after some googling, but it seemed to have no effect
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Feb 22, 2010
I am working on a program lets say programX which must run when the computer is not in use. I want to develop a monitoring program to monitor if there is user activity on the system so that it can stop the programX from running when the user is using the system and start programX when there is no user activity. Is there a way to determine this in linux?
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Jan 17, 2010
My system started running at 75 % CPU (its normally 20%), so I opened a terminal and looked at 'top', there are many processes running as root, the one thats sucking the CPU is this:'user'- root, 'pid'-2963, 'command'-X. below that there are a few processes of my user account, then alot more 'root' processes.
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Feb 8, 2010
System activity monitoring tools - top, iotop, ntop, sar, collectl, etc - may be a good reference to judge the system activity when the system transitions to sleep state.But if I make the system transition to sleep state when i/o activity is zero during 15 minutes, for example, it won't sleep forever because slight i/o by daemons, etc occurs continuously even if no user i/o.So how can I judge the system activity to change the state by using those tools?
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Dec 15, 2010
I have an auditing problem. I am required to be able to track user account modifications (creates, deletes, password changes, etc.) My team and I implemented auditd 1.7.17 and borrowed an existing rule set from /usr/share/doc/audit-1.7.17/nispom.rules. What we're seeing is that user account activity from the command line is retrievable by doing an 'aureport -m'. However, doing the same through the GUI, 'aureport -m' does not display the activity. So I have two questions:1. Is there another location I should be looking to find the user creation activities when using the GUI?2. Is there a way to make the activity using the GUI be captured in /var/log/audit/audit.log so 'aureport -m' can report it?Someone suggested a PAM configuration change, but was not able to tell me what change to make.
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Jan 12, 2011
I keep noticing disk activity every roughly 1 to 3 seconds even though there is "nothing" going on. Of course, I run a number of "system" and "user" application packages - Apache2, MySQL, Browsers (Opera, IceWeasel), an SMB client and server, OpenOffice 3.0RC8 being the most prominent ones. I wonder what might be the cause for this constant disk activity which happens even when none of the applications do any noticeable work at all. Is there a way to determine the process that does those disk read/writes?
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Aug 8, 2010
Just after I boot up I get this wierd HDD activity that lasts for some time during which my system runs at snail Pace and or Hangs. After a while the activity stops and things are good and then randomly it all starts again. I have read some forum post on constant HDD activity but they do not seem to apply to my problem. I am Running 11.3 with a quad core AMD 64bit CPU and 4GB of memory.
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Aug 21, 2011
I tried to do a scheduled software update several times today (8/20/11) and nothing seems to download, though I do get the "Downloading" PackageKit dialog message (the System Monitor shows practically no network activity). In between tries I downloaded some 600 MB .iso files (about 10 minutes each) so I know my internet is working properly. That leaves either PackageKit got hosed in my last update, or servers are down.
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Dec 24, 2010
For some reason after I close firefox , firefox-bin keeps running and it eats more cpu than when firefox was open, a lot more. Same thing with seamonkey, seamonkey-bin keeps running after it is closed.
Attached are two pictures ,
1) While firefox is running: notice the low CPU usage
2) Firefox closed, CPU is almost 50%
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Nov 30, 2010
I am a newbie regarding the Slackware, though i have some millage on Ubuntu. Anyway, i have Slackware 13.1 and slapt-get is really, really slow when downloading packages, even when i do slapt-get -update the slowness is just killing me
The second question is somewhat different. How can i view dependencies on which a particular application is depended?
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Mar 25, 2010
I have recently installed Slackware 13 (64bit) (Kernel 2.6.29.6) on an Acer Veriton M series with AMD Athlon cpu. I have started ntpd server and from it's log file it seems to be synchronising to each of the three stratum 2 servers specified in the ntp.conf file.
25 Mar 18:27:02 ntpd[4542]: time reset +2.163491 s
25 Mar 18:33:08 ntpd[4542]: synchronized to 130.88.200.4, stratum 2
25 Mar 18:37:25 ntpd[4542]: synchronized to 130.88.200.6, stratum 2
25 Mar 18:42:59 ntpd[4542]: time reset +2.282097 s
25 Mar 18:49:21 ntpd[4542]: synchronized to 130.88.200.6, stratum 2
25 Mar 18:50:17 ntpd[4542]: synchronized to 130.159.196.118, stratum 2
25 Mar 18:55:57 ntpd[4542]: synchronized to 130.88.200.6, stratum 2
25 Mar 18:58:57 ntpd[4542]: time reset +2.147508 s
If I invoke ntpdate from another linux machine, that ntpdate reports that the stratum of the ntpd server is too high and won't use it.
transmit(192.168.175.8)
receive(192.168.175.8)
transmit(192.168.175.8)
receive(192.168.175.8)
transmit(192.168.175.8)
192.168.175.8: Server dropped: strata too high
server 192.168.175.8, port 123
stratum 16, precision -20, leap 11, trust 000
refid [192.168.175.8], delay 0.02577, dispersion 0.00000
transmitted 4, in filter 4
reference time: cf562778.a310c705 Thu, Mar 25 2010 18:18:32.636
originate timestamp: cf562cdd.048cbee3 Thu, Mar 25 2010 18:41:33.017
transmit timestamp: cf562cd0.56618ce2 Thu, Mar 25 2010 18:41:20.337
filter delay: 0.02579 0.02577 0.02579 0.02579
0.00000 0.00000 0.00000 0.00000
filter offset: 12.68024 12.68024 12.68024 12.68024
0.000000 0.000000 0.000000 0.000000
delay 0.02577, dispersion 0.00000
offset 12.680248
25 Mar 18:41:20 ntpdate[9683]: no server suitable for synchronization found
I have run ntpd on another platform with Slackware 12 (32bit) and never had any problems.
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Oct 29, 2010
My laptop has a very high consumption when running on idle (I mean nothing that write on the disk or video etc..). I read on lenovo forums that people could get 10-12W and I can hardly get lower than 20W. My cpufreq is set to powersave and my cpus are always at the lowest scale.
configure my laptop to save some power. It used to last almost 7h on battery (sadly I don't remember the consumption) on Ubuntu and now it can barely last more than 3h with slackware.
My config is:
T400 intel duo core 3,06ghz
14.1" TFT display with 1440x900 (WXGA+) resolution with LED backlight
Switchable Graphics with Intel GMA 4500MHD and ATI Mobility Radeon HD 3470 (256 MB)
320GB 7200rpm 2.5" SATA HDD
Intel Wifi Link 5300 (AGN)
9 cells battery
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Feb 9, 2010
I am using Slackware 12.2 on my laptop
compaq presario V2356AP
Intel centrino 1.6ghz
1 GB Ram
and Slackware is installed on 16gb partition with 10 gb free now.When i installed it was fine over a few days slackware is giving me high response time. while playing videos it is getting stuck firefox is giving bad responses and even konqueror.I heard that slackware is one of the fastest linux and is old hardware friendly right
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Dec 6, 2010
i'm installing slack 13.1 on a friend's machine, and ran into what i would not call a bug, but more of an oversight. when selecting a desktop activity type, i must have definitely clicked the wrong item. i got a group of icons in the middle of the screen corresponding to the categories in the KDE menu. it worked ok, you could click on a category and get a group of icons for the apps, and click on the app to launch it. no problem there.... but you could not revert to a regular desktop.... at all.... no amount of right clicking would bring up the popup window i used to get there, and the plasma jellybean at the corner of the screen was gone. the plasma jellybean on the panel at the bottom brought up a panel menu, but never could get back to the desktop activity selection menu. the only way to get back to square one, was to delete the .kde subdirectory in the user's root directory.
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Nov 11, 2009
I have a server running samba process and there are about 70 samba users connected at a time. The system has 4Gb of memory and it seems each samba process is utilizing only 3352Kb of memory.
When I run the command
pmap -d (pid of samba)
It gives as:
b7ffa000 4 rw-s- 0000000000000000 0fd:00003 messages.tdb
bfe46000 1768 rw--- 00000000bfe46000 000:00000 [ stack ]
ffffe000 4 r-x-- 0000000000000000 000:00000 [ anon ]
mapped: 33384K writeable/private: 3352K shared: 20504K
But when I run the top command, it results as below:
Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.9% us, 4.9% sy, 0.0% ni, 93.3% id, 0.8% wa, 0.2% hi, 0.0% si
Mem: 3895444k total, 3163192k used, 732252k free, 352344k buffers
Swap: 2097144k total, 208k used, 2096936k free, 2487636k cached
Why could the system be utilizing such high memory? By the way, the server is not running other processes. The samba version running in it is 3.0.33-0.17.
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Jan 5, 2010
I've been having a problem in Ubuntu 9.10 recently where starting about 2 minutes after startup my computer slows down and becomes unresponsive. I believe the problem is associated with a high IOWait because I have the system monitor applet on my Gnome Panel and it displays 100% IOWait every time my system starts to slow down.
I have tried booting into other kernel version and the problem persists. I don't really know what IOWait is or how to diagnose this problem further. I've looked around online and it seems like you have to find a specific process that is causing the IOWait, but I don't understand how to go about doing that.
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Jul 2, 2010
i've been using 10.04 since may and it's been good to me thus far. BUT recently, i've been experiencing unusually high system loads. it will happen at random it seems. for instance, it just did it a few minutes ago when i turned on and mounted a external firewire drive. i also had ogmrip open, but NOT running as well as transmission and pidgin. yesterday, i was encoding a rather big movie with ogmrip and around 25%, the system load quickly increased to 10 and held there until i force quit ogmrip. it went back to normal after the force quit.
a previous night, i was installing the popular ubuntu themes via the terminal. at the same time, i was also using ogmrip and the system load shot up during the download/install and held there the rest of the night. sooo...unless it's somehow related to ogmrip i don't know what's going on. it even did it when ogmrip WAS NOT processing any video, just simply open.
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May 1, 2010
I'm running Ubuntu 9.10, and I can't open any folders. Nor can I put any files onto my desktop. I read on another thread that you should try reinstalling Nautilus, so I did that, and nothing changed. I also tried to open a folder in the Terminal, in this case the downloads folder, and I got this.
(nautilus:2172): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
Initializing nautilus-gdu extension
** (nautilus:2172): WARNING **: No marshaller for signature of signal 'UploadFinished'
** (nautilus:2172): WARNING **: No marshaller for signature of signal 'DownloadFinished'
[code]....
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Jan 4, 2010
I have to run one testcase which opens a web_browser on Linux machine. When a run with cygwin it works but I can't always keep it open. I want to schedule a cronjob to run this testcase.
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Jun 17, 2011
Kernel 2.6.21.5, slackware 12.0
When you do 'man bash', you'll see some words are highlighted. I'll say that the video card has used high intesity in these instances. How do I disable this video card capability? Can this only be done by recompiling the kernel? Of course, I am talking about the text consoles, i.e., the video card in text mode.
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May 1, 2011
I have been using ubuntu for 4 years now on my decent laptop with 2 Gb RAM, dual core centrino, etc etc. Yet, in all those years I have been using this superior OS, I still have to do hard shutdowns because some program runs wild. I have lately 2 scenarios where I have to interfere with the process:
1: amarok crashes and leaves the python script for the gnome shortcut keys running at 100% CPU. Or: thunderbird-bin keeps running after apparently clean close of Thunderbird. That's not really bothering me, I just kill both processes.
The bigger problem is scenario 2: 2: VLC starts eating all my RAM (for no reason), my SWAP starts filling and my computer becomes unusable for 10 minutes. Or: my matlab script is too big and eats up too much RAM -> same. Note: I have nothing against SWAP because at many other times it's very useful
These are stupid and annoying problems where there is an easy solution:
1) automatically kill the stupid process that runs at 100% CPU
2) automatically kill the stupid process that eats up all my RAM
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Jan 5, 2010
I've been having a problem in Ubuntu 9.10 recently where starting about 2 minutes after startup my computer slows down and becomes unresponsive. I believe the problem is associated with a high IOWait because I have the system monitor applet on my Gnome Panel and it displays 100% IOWait every time my system starts to slow down. I have tried booting into other kernel version and the problem persists. I don't really know what IOWait is or how to diagnose this problem further. I've looked around online and it seems like you have to find a specific process that is causing the IOWait, but I don't understand how to go about doing that.
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