CentOS 5 :: Kernel OOPS - Scroll Lock Keys Start Blinking
Apr 25, 2009
I'm trying to install CentOS 5.3 on a VMWare virtual machine running VMWareServe 1.0.4 build-56528. I have 8 virtual machines that are running some older kernel (RH FedoraCore 4) without any trouble. My system has an AMD Athlon XP 1800 processor and has 1G RAM. Every time during the installation after choosing skip media (I have already checked that the media is OK) I get a kernel OOPS and the capslock and scroll lock keys start blinking. My first guess was that this could be a ACPI issue, so I have disabled ACPI using the acpi=no boot option. The problem persists with the acpi=no option set. During the boot install process, I have seen some messages like this one
ACPI Exception (processor_core-xxxx): AE_NOT_FOUND, Processor Device is not present [xxxxxxxxx]
I have searched for this issue and found a RedHat Bug 435653 that reports this same issue, but this report is somewhat old, so i think that this issue as already been fixed and reflected to upstream. I have tried also to install using the text mode installation, but the same problem. To further isolate this problem, i have avoided the hardware detection and this was the first time that i have overcome the first screen (test media screen), as i have choosen with the success the language and the keybord layout. After choosing the beyboard layout, the kernel OOPS shows up again. On the screen 4 (debug screen) I don't see any relevant messages.
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Oct 31, 2010
I am having a very annoying problem with my laptop.I am experiencing many freezes.When my laptop freezes, it shows the caps lock and scroll lock lights blinking.At first I thought it was a problem with flash (here is original thread: URL... )In the original thread, I thought the freeze's were being caused by the flashplayer, but it apparently isn't the case.The last time I experienced the freeze, I was playing around with the compiz desktop effects.
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Aug 10, 2010
I have to switch from VMWare Server 2.0 to XEN due the compilation of the kernel module fails. But XEN doesn't work on my newly upgraded server (fromm 11.0 to 11.3). When I install XEN via yast and do a reboot, then the screen goes black and the LEDs of Num and Scroll Lock are blinking. The last message i can see before the screen goes black is something like that:
[Code]...
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Oct 20, 2010
Sony Vaio EB 16 FG - running ubuntu 10.10 froze while resuming from dimmed screen with blinking scroll lock and caps log LED. The scenario was this :- I just downloaded the acpi using synaptic package manager. Then installed laptop mode tool using synaptic. cat /proc/sys/vm/laptop_mode 0
Means its not yet enabled. But decided to remove it .(read drive spin up and down is not good for HDD) Had left the laptop for some time , it dimmed screen . When I resumed it froze. No mouse movement.only blinking caps and scroll. Just wondering if acpi is the culprit,since haven't seen this behaviour before and it happened after removing laptop mode tools
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May 27, 2010
I have just burned the latest CD using infraRecorder, as per the instructions on this site, however when I boot from this CD, it spends about 5 minutes moving the red balls across my screen, then all of the sudden it just freezes, and my caps and scroll lock lights start to blink. I've had a look in the forums already but there's nothing about this happening on Boot of the live CD.
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Jan 1, 2010
My notebook has no indicators for HDD activity. I want to convert the Scroll Lock LED on my external USB keyboard to an indicator for HDD activity. I know a bunch of such programs for Windows but found nothing for Ubuntu. Is there a way to do this?
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Aug 4, 2010
I`ve recently bought a Genius Slim Star 220 USB keyboard. The problem is that when I switch between keyboard layouts with shift+alt this also triggers scroll lock. I`m running Ubuntu 10.04 x64 kernel 2.6.32-24 EDIT As I`ve just found out it`s not shift+alt that trigger scroll lock, but the fact of changing the keyboard layout. I`ve tried several other hotkey combinations as well as changing layout with the taskbar applet. All the same.
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May 18, 2011
I wonder is it possible to make capslock and/or scroll lock indicators blink when you have unread message or so. Like in nofication area (like when envelope in notification area becomes blue).
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Jun 30, 2010
second day ever using command line so bare with me. I setup a cloud server through rackspace hosting..I installed vsFTPd and made a user and password and set the home directory to /var/www for this user When I try connecting via FileZilla, I get this error
Response:220 (vsFTPd 2.0.5)
Command:USER arms2o10UseR
Response:331 Please specify the password.
Command:PASS **************
Response:500 OOPS: cannot change directory:/var/www/
I have been looking at all different forums and have tried multiple things like through selinux, chowning etc..
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Dec 24, 2009
I purchased a lighted keyboard, on the net.
Black LED Lighted Keyboard W-9868BK USB
The scroll lock key is the key that turns the back light on/off. Num light works/caps light works, but the scroll lock light does not on F12 or Ubuntu Thinking it may be a soft ware problem after trying different usb slots, I dug out an old XP machine and it works.
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Jun 3, 2010
Cannot log out of Lucid Lynx. Cap and Scroll lock LED blink and nothing defeats them. I have to shutdown the computer by switching it off.
I removed xorg.conf (which I had installed for screen resolution). After removing it, the shutdown worked well. No more blinking and hangup during shutdown.
But I lost the screen resolution.
I need the screen resolution. how to solve the blink issue. Does it have to do with something in the xorg.conf file causing this?
Can anyone at least clue me in as to what causes the "kernel panic"?
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Feb 18, 2009
I've only used Linux for about a year or two now and have worked through suspend esume and WPA wireless issues with CentOS and my T61p. However, I'm stumped on this one. why my T61p freezes randomly (happened once while writing this topic) with the caps lock light blinking. I'm wondering if it has something to do with my nVidia driversettings andor using my wireless card and/or switching between home wwireless and work wwired connection.
[Code]...
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Aug 29, 2011
I am using a Linux machine with a KVM switch at work, and I commonly use emacs while switching between that machine and my other machine. I typically use the keyboard shortcut to swap between machines on the KVM, which is the key sequence: Scroll Lock, Scroll Lock, Up or Down. If I have an emacs window on top on Linux and hit these buttons, it will trap the Scroll Lock key presses and trigger a system beep from the CPU speaker. The KVM still switches, but on occasion, after the switch, it will register Scroll Lock as being stuck pressed, and so I'll be treated to an earful of system beeping. I have to switch back to the computer to get it to stop.Is there something I can put in the .emacs file that will prevent the program from beeping when I hit Scroll Lock with the window on top?
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Oct 7, 2010
I have two opensuse 11.3 first with x86 second with x86_64I have connected the KVM and Scroll-lock button works doing "xmodmap -e 'add mod3 = Scroll_Lock'" in a terminal windowIf I do Ctrl+Alt+F1 to go to the console in both computers, pressing Scroll+lock twice works fine to change between computers but Scroll-lock twice don't works in XWindows runlevel.
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Feb 18, 2010
During work computer can stop his work (cursor also can't be moved) and Caps Lock and Scroll Lock are light. What is problem in?
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Nov 20, 2009
When I running fedora the caps lock & shift LEDs blinking continuously and system was hang.
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Feb 10, 2010
I have Atheros AR5008X mini PCI express card in my DELL Studio 1535 laptop..am running Ubuntu 8.10..
I blacklisted ath9k driver and compiled n installed madwifi from the svn trunk...
I am getting this error often in
Code:
/var/log/syslog
wifi0: ath_fatal_tasklet: Hardware error; resetting.
Anyone got idea about above error? My wireless internet connection works fine amidst the above error..
When i try to put my card in monitor mode with below steps:
Code:
$sudo ifconfig ath0 down
$sudo wlanconfig ath0 destroy
$sudo wlanconfig ath0 create wlandev wifi0 wlanmode monitor
[Code]....
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Nov 25, 2010
Have a HP Proliant DL380 which had Ubuntu installed. Have not used it for about 6 months but wanted to resurrect the machine. Switched it on and it would not boot. Went through the usual boot load then would freeze with a flashing scroll and caps lock. Thought I would just re install and recreate the partions but now when I try to install Ubuntu 9 from an offical disc I get the same error. I have attached a screen shot (well photo).
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Sep 10, 2011
I no expert and this was a bit of mucking around. Installed Version 5 dot something on a desktop (DELL OptiPLex) with a couple of extra HDDs, for a server to play with (samba to Windows). I used the drives as a single logical drive via LVM.
We had a power cut, now it doesn't work. In fact it's been hanging around for a couple of years and before I dump it I wonder if there is any chance of getting some of the wife's letters, pictures, etc that I promised I try and get off.
The /boot partition seems to be there and I've attached a photo of what happens at boot, and I admit....I haven't a clue what it all means. Also I did not think ahead and did not create a recovery disk. I know, I know heap damnation on me for being so reckless, but any chance I can get myself back in the wife's good books?
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Dec 14, 2009
I keep starting up Fedora and I'm not able to get far (although it's not always at the same time) before my screen will go black, except it shows the mouse/cursor - but it's frozen, and thhen the caps-lock light starts blinking and I can't do anything or get it to recover. Sometimes it happens after 30 seconds, sometimes 40+ seconds and sometimes within 15 or so seconds.
How do I stop this and diagnose this?
I've tried, in the boot-startup to choose an older kernel version, butt the same thing occurs!
I have:
Fedora 11
Kernel: 2.6.29.6-217.2.16.fc11 i586
Asus EEE PC 1002HA
One other thing, it does always seem to happen after I've turned on wireless. And I've been using F11 for months now with no issue.
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Aug 1, 2011
everything works perfect including reboot and shutdown but not the hibernate or suspend (sleep). Whenever i try to do Suspend, my caps lock starts blinking and the screen goes white
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Feb 11, 2010
I installed Linux yesterday alongside windows vista. Everything went very smooth. I restarted the computer multiple times without issue, and the menu would pop up asking me which os to load. Everything was good. But today I attempted to boot up my computer and nothing happens. The screen just stay black. The lights come on on the laptop, but nothing else. Either I try to boot it and it goes on then off quickly, or it just sits there, still on, with a black screen. I don't know if this is related, but when I was messing around with ubuntu yesterday after I installed it, it would randomly freeze and my caps lock light kept blinking on and off. I was forced to restart when this happened and then everything would be ok.
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May 6, 2015
I've got myself a a Filco Majestouch Convertible 2 which is a USB/bluetooth keyboard.
When I use it in USB mode it works perfectly. I would like to use it in bluetooth mode and I've found that it has problems. When I hit either Numlock or Capslock it stops responding.
I'm running Debian Testing and it was last updated a few days ago (02/05/2015). I've tested the keyboard using Ubuntu 14.04 live cd and it worked flawlessly even hitting Numlock & Capslock didn't stop it.
If I run btmon to monitor the keyboard it shows that after I've hit capslock or numlock it still sends signals to the computer. So there is information being sent to the computer but these characters do not make themselves to my application. I'm just testing with a terminal window.
Here is the output from btmon whilst the keyboard is connected and working:
Hitting the 'a' character
a> ACL Data RX: Handle 35 flags 0x02 dlen 14 [hci0] 16.769645
Channel: 65 len 10 [PSM 19 mode 0] {chan 1}
a1 01 00 00 00 00 00 00 00 00 ..........
[Code] .....
Here are the versions of software I'm using;
Code: Select allbluetooth 5.23-2 all Bluetooth support
libbluetooth3:amd64 5.23-2+b1 amd64 Library to use the BlueZ Linux Bluetooth stack
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Jun 20, 2009
In Fedora 10 they decided to change to "evdev", so if you used xmodmap in F9, these mapping have changed in F10 and F11 for that matter. In order to find the new key values start
Code:
xev and press a button you would like to know the keycode for. Write this value down. When done, make a file ".xmodmap" and put in the values. "man xmodmap" explains the format. Not easy to understand! So here is how mine looks like.
Code:
clear Lock
keycode 112 = Caps_Lock
keycode 118 = Delete
keycode 119 = Home
[Code]...
This layout is MUCH more logical than the original. Now Delete is the key just to the right of the Backspace key. Back spaces deletes to the left, and Delete deletes to the right, so these keys shoudl of course be next to each other Page Up, Page Down, Home, and End now have the same structure as the arrow keys below. This layout makes it much easier to navigate without looking at the keys, because now the layout makes sense And why shouldn't 0 be to the left of 1? of course it should. 0 is lower than 1.
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Oct 18, 2010
I have a problem with keyboard mappings on F13. I have the following in my .xmodmap file that is run from .bash_profile:
[code]...
The problem is that at seemingly random times the roles of the caps lock and control keys (and the other customisations) gets reverted back to normal - which makes for an awful lot of confusion! Running xmodmap again switches them to how I like it, but again after a seemingly random period it resets itself. This occurs under KDE and Gnome in F13, but did not occur in F12. Using the KDE keyboard settings dialog to switch caps lock and control does the exhibits the same behaviour.
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Dec 19, 2009
I have 2.6.18-164.2.1.e15 running on Hyper-v. I did yum update and noticed that kernel is upgraded to 2.6.18-164.9.1.e15. If I try to boot into the new kernel it hangs with message first "switchroot mount failed" and then "kernel panic". This is probably related to Hyper-v drivers installed in the old kernel. First question: Do you think this is correct? Is it possible to somehow disable Hyper-v drivers so I can boot into the new kernel and then reinstall drivers? There is nothing in Microsoft documentation about uninstalling Linux Integration Components.
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Aug 10, 2010
i switched completely to ubuntu, and it was working fine. now when i try to start up my laptop, it just shows a blinking _ and i have no idea what to do.
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May 5, 2010
A few weeks ago I installed Ubuntu 10.4 beta on a pc. I upgraded it to 10.4 RC and 10.4 final release. I think it was after upgrading to 10.4RC that I started having a problem during startup. Here is what happens:
I turn the pc on the bootstrap process occurres, then the grub screen comes up I let ubuntu boot. For a few seconds I get a black screen with a blinking cursor. The Ubuntu splash screen flashes on the screen for maybe a second or two. Then I'm dumped to the command prompt on TTY1.
At this point I can log in with a username and password type startx and I'm at the ubuntu desktop. If I log off I'm back at the command prompt on TTY1. If I press alt-ctrl-F7 at the command prompt this is what I see, these are the last four lines of text: init: ureadahead-other main process (742) terminated with status 4
[Code]...
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Dec 16, 2010
I was trying to compile the kernel 2.6.36 following the format [url] but my fedora 13 machine screen remains blinking without booting to new kernel.
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Sep 12, 2010
I really enjoyed using Apple's wireless Mighty Mouse and Magic mouse because of their ability to easily touch scroll 360 degrees. Unfortunately, Linux drivers are not provided for these mice.Is there an equivalent wireless mouse that works well in Linux? Ideally with native support or community provided drivers, etc.
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