Software :: Make The Kernel With -g Option ?
Jul 6, 2010
I downloaded kernel 2.6.30 for my project. But I want to see the all symbol and debugging information. So, I try to use option "-g" with make file I don't know how...
I just know the make kernel "make all"
If I want to use "-g" option for vmlinuz with whole symbol for debugging, how can I put that "-g" option into the "make"
Do I have to modify the "Makefile" ? or "only command is possible like make -g something...."
How I can compling the kernel with -g option....
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Apr 19, 2011
Im am building a Linux distro. It will be very tiny and fast.
I only have a minimal linuxkernel (bzImage) who is 1,2 mb big. And then I have Busybox who is 174,6 kb big.
The commands in busybox is: cd, ls, mkdir, rmdir, wget, httpd, clear, rm, poweroff, halt, reboot, fdisk, mount, umount, free, and cp.
When I compiled the kernel i use initramfs/initrd function and point it to a folder where initrd/initramfs source is.
The kernel works OK with others initramfs/initrd files. But not with my own.
Quote:
Here is how the end of the kernelcomplie look like.
Quote:
Here is my init file who is the initrd/initramfs source.
Quote:
The initramfs folder contains "bin" (folder) and "init" a file. No more.
The problem is that the kernel cannot find/read init file.
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Mar 12, 2009
The RHEL 4 update 7 installation CD installs the kernel with version 2.6.9-78.EL and therefore must contain corresponding vmlinuz and initrd.img. However I would like to have an all modules initrd that is used during installation but for a different version (2.6.9-78.0.13.EL). Is there a way in which I could obtain/make such an initrd?
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Apr 21, 2010
(i) I usually make multiple dir using -p optionex: mkdir -p dicttest/audrep/tdriver/testNow after creating this dir's i stay in current dir instead i want to go directly to test dir how can i acheive this.(ii) When i execute which command as followswhich testerm i will get the location of testterm now i want to open this filewhen i did in this wayhich testterm | vi The file dosent get opened how can i acheive this ?ex:
linuxx86:110$ which testterm
/view/rdl110_linuxx86/vobs_usrrdl/sc/testterm
linuxx86:110$ which testterm| vi
[code]....
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May 8, 2010
I'm sorry to post so much, but every time I solve one problem another comes up! xD
Anyways, I created an install CD for the newest Ubuntu, and the CD works. I used it to install Ubuntu, but when I went to reboot to complete the setup, it just went back to Windows normally. Then when I booted from the CD directly, bypassing Windows entirely, my monitor displayed "No sync" and refused to display anything until I turned off all power to the computer and restarted into Windows normally.
How can I make it so that it will boot to Ubuntu?
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Jul 11, 2010
I am working with a third party that use windows to compile. When we port that code I am running into a lot of case issues where the includes are not case sensitive. Is there any option in GCC to make it case insensitive. I know its a long shot, as I have done reading and does not seem so.
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Jan 10, 2010
I have been reading for hours and just do not get how to do this simple task. I need to add a couple of kernel options to the 3rd menu item that shows in my grub.cfg list. I understand which files to edit (not grub.cfg) and run the updater.
If I look in /etc/default/grub I cannot figure out how to add a kernal parameter unless it is the default.
So basically I want to change the equivilent of this line below:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
But for a kernel menu item that is not the default.
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Dec 1, 2010
I installed Jolicloud in a new partition to give it a try. It's pretty nice. Anyway, it took over my bootloader, which didn't really bother me.
Now my kernel has automatically been updated to 2.6.35-22.41 or something. The option to boot from the new kernel does not appear. As you might imagine, I want to do that. My old bootloader updated this stuff automatically.
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Jul 20, 2011
I have had Linux running in our product that has several serial ports.(Another Ethernet to Serial port translator). It has been running OK for about 6 years, using kernel 2.6.11, then 2.6.18. Now I just got 2.6.39.1 running and suddenly I get these "I/O Possible" messages and my programs shutdown. I found elsewhere that the cure for this is to put a "signal(SIGIO, SIG_IGN)" call to stop this signal from crashing the program. This works, but I would really like to know the reason that this started happening in the first place.
Could there possibly be a 'config' option I missed that causes this? It just surprises me that the kernel writers would implement something that has such a large impact on the existing code base, causing anyone using serial ports, or anything else that might trigger a SIGIO, to have to edit, recompile, and redistribute their programs.
How to change the kernel behavior, short of going in and hacking the kernel. Or at least an idea as to why they would have changed the default behavior.
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Jul 16, 2010
I have Suse 10 and Suse 11 and I need to add the option elevator=noop
Code:
Suse 11
Code:
By the way I think I added correctly
Ok my question is: I can add this noop option on the fly by
Code:
But since I have sdb and sdc... I have to run that command three times it does not bother me I am worry about is what happens when my server is rebooted.
There won't be any noop option for sdb and sdc since they are not included on my boot parameter.
How can I automatically add noop to my sdb and sdc?
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Apr 29, 2009
Is there an easy way to change just one option in the kernel? I need to set something from =M to =N I tried installing the kernel source rpm according to the centos wiki site, then changing the .config, make oldconfig etc. but the always build always fails.
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Jan 10, 2010
i am sorry, but i can not find the option to make the taskbar transparant.i have kde 4.3.4
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Feb 7, 2010
I was wondering how I can make Windows XP the first and default option on my Grub 2. I use Ubuntu 9.10 through a semi-dedicated partition on my second hard drive, if that helps. I use Grub 2 just cause I have a grub.cfg file, and here it is.
Code:
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
[Code].....
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Nov 5, 2010
If I am using LXDE or another non-Gnome desktop and want to use Nautilus as the file viewer it needs to be launched with the --no-desktop option (so nautilus does not load it's desktop image under the other DE).
I know there is a way to make it so whenever nautilus is launched it will not load the desktop (even if you do not pass the --no-desktop argument) but I do not recall how I did this last time! I believe it was a gconf value. Anyone know what this setting is/how I can accomplish what I am looking to do?
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Feb 11, 2011
I was making a download option in a script but I cant seem to get the command right
Code:
tar cjf /tmp/file.tar.bz2 --exclude="config" ./
My archive ends up with a file-1.tar in it.
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Apr 20, 2011
As I checked some online backup solutions I have found information that all of this which I checked have only clients for Win or Mac. But I'm looking for solution with Linux client.As I have read some info on one of the Googled page Linux probably is ready for being an online backup solution as is.So my idea is to create automatic (in the background) backup of my files (photos and docs) with my outside hosting server. I have unlimited shared hosting server with ftp access. Is there any option to built such solution to make backup synchronisation between my Linux comp and shared hosting? What should I get to know to start with such option?
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Oct 13, 2010
To make Ubuntu work on my computer I need to select the noapic option NOW How do I make certain that the noapic option is selected always when ubuntu starts after ubuntu has been installed?I would like to install Ubuntu 10.10 on my computer togheter with windows 7
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Aug 25, 2010
I'm running Squeeze and I've been running into the r8169 hang problem (see [url]for example). A temporary (until the driver foibles in the kernel are resolved) solution that seems to be working for many people is passing the boot option "pcie_aspm=off" to the kernel.
Apparently, either I don't understand grub2 at all or my kernel doesn't like me very much. I put the option in grub.cfg like so:
However, it appears that the kernel, for whatever reason, is either not being given this boot option or it's not interpreting it correctly. When I run lspci -vv I get this for my r8169 ethernet card:
The relevant section is LnkCtl: ASPM L0s L1 Enabled; indicating that ASPM is still on.
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Apr 18, 2011
I have just installed Ubuntu 10.04 where kernel 2.6.32-30-generic-pae is default. Also installed the latest stable kernel version 2.6.38.3
I need to have the latest kernel version in boot screen without affecting the older. What are all things I need to update ?
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Jan 21, 2010
I have a loadable module, simple enough I believe it should run on any 2.6 kernel. I want to force the load and test that assumption. How can I do it?
ismod does not seem to notice the -f in 2.7 modprobe has -f but cannot locate the module.No go. So I read the manpage for modprobe which says: modprobe looks in the module directory /lib/modules/'uname -r'.So I copied MYMODULE.ko to /lib/modules/2.6.(the only directory in here) and type: modprobe -f MYMODULE.ko.Still can't locate MYMODULE.ko.I notice there are no other .ko modules in that directory; so I go in deeper to kernel/drivers/char, guessing about the char directory, and copy MYMODULE.ko there.
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Nov 4, 2010
Is it possible to provide DESTDIR option during make install process of jhbuild? Default it installs in location provided by prefix.
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Jul 29, 2011
I need to install any version of Debian with the Debian Kernel version 2.6.22-3-686. I don't mind what version of Debian it is, I just need it to have this specific kernel! Debian Etch comes with 2.6.18-4-686 and Lenny comes with 2.6.26-2-686 so the kernel I need is obviously somewhere in between.
I have tried using the following commands to see if kernel 2.6.22-3-686 is available for download via the apt-get method in both Debian Etch and Lenny but it is not...
apt-cache search linux-kernel
apt-cache search linux-source
So does anyone know where/how I can download specific kernels and install them for use? I have a computer sitting next to me that has multiple kernels as an option on boot, and they all boot into the same system, however I do not know the person who set up the computer so cannot ask them how they did it
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Sep 28, 2010
Is it possible using YAST to make it possible to be given the option to boot the previous kernel when a new one is installed during an update?
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Aug 1, 2011
I was trying to know if relatime or noatime was set on a filesystem, but i didn't found the information, neither in /etc/fstab, neither in kernel boot options.
First of all, it seems clear that i don't have the "normal" behaviour on atime:
root@antec:/tmp# rm -f test.txt; echo a>test.txt
root@antec:/tmp# stat test.txt | grep -i 2011
Access: 2011-08-01 21:54:30.000000000 +0200
Modify: 2011-08-01 21:54:30.000000000 +0200
[Code]....
- Is noatime or relatime a default mount options, and if yes, from which kernel release ?
- Is there a way to see the default mount options (ie: how can i see why i don't have the "normal" atime behaviour ?)
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Feb 12, 2010
I'm using 2 cloned disks with CentOs5.3 and I need to be able to control which one is booted. I can specify which disk in the BIOS but after stage 2 it is always running from disk 2. When I have puppy linux on one disk and CentOs on the other I can boot off of either as selected by the system BIOS so the BIOS is not the issue. I think it is how the root option is passed in the kernel command in the grub.conf.
kernel /vmlinuz-2.6.18-128.el5 ro root=/dev/VolGroup00/LogVol00
I think when the OS searches for the /dev/VolGroup00/LogVol00 share is locates 2 since the disks are clones and uses the last one found. On information I have found for the kernel command and the root option it appears CentOs uses it differently. CentOs uses a volume name as specified /dev/VolGroup00/LogVol00 instead of a partition designator /dev/hda2. Is there a different way to specify /dev/VolGroup00/LogVol00 in CentOS for the root option for the kernel command of grub.conf?
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Jun 17, 2011
I've recently upgraded to 11.04.Till now, I could select an option to make the open folders on shutdown, to restore on startup.There was an option to restore running applications
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Jun 5, 2011
I am using Suse 11.4, with the Gnome desktop. I have downloaded the VLC player, but cannot work out how to make it play CDs in the CD drive. Right clicking on the Audio Disc icon that appears on the desktop whenever I load a disc doesn't give me an option to Play using VLC. Is there a way to make VLC the default player for CDs?
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Jul 6, 2011
In regards to compiling a custom kernel:
When using make menuconfig - under Device Drivers --> Character Devices --> there should be an option with the label "Enhanced Real Time Clock Support" (CONFIG_JS_RTC).
The problem is that this option seems to only show up while using the menu method when other options are either enabled or disabled and I've entirely forgotten what should be what. I swear fingered it out once.
This is on an older computer (P4) so HPET is no good.
You would think that disabling the HPET option would enable the RTC option but that does not appear to be the case.
I understand I can just add the option to the .config file and avoid this hassle but I'm very interested to know how to make this work.
To show my appreciation I will do something nice for you such as call you a nice name or tell you that you are pretty (or ugly if that's what you prefer).
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Dec 24, 2010
I switched today to slackware-current on one of my desktops to play with it and ran directly into a problem.
Since ages my lilo.conf has two entries for slackware. One for runlevel 3 and one for runlevel 4.
Code:
Since the upgrade this is no more possible because I get a kernel panic as soon as udevadm trigger is called. The stack says something about an unknown boot option. Because that i removed the append lines from my lilo.conf and i was able to boot the system. The crash happens when udev is called from within the ramdisk and afterwards. I tried both.
My question is now. Is this a bug in udev or expected? I have this setup since at least 5 years and had never problems with that. What do I have to do to be able to select the runlevel at boot time?
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Aug 22, 2010
The "Make Link" option is disabled in the context menu in Ubuntu 10.04. I want to make a hard link on the Desktop for my www folder.
I didn't have this problem in Linux Mint 8. I already tried the ln command. I also changed the owner and group that the folder belongs to, along with its permissions.
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