OpenSUSE Install :: Sles11sp1 Dump Is Not Captured
Sep 6, 2010
I setup kdump on sles11sp1, on issuing "echo c > /proc/sysrq-trigger" capture kernel is not booted and kernel dump is not created. Here is my system configuration: Welcome to SUSE Linux Enterprise Server 11 SP1 (x86_64) - Kernel
(l). blade797:~ # uname -a Linux blade797 2.6.32.12-0.7-default #1 SMP 2010-05-20 11:14:20 +0200 x86_64 x86_64 x86_64 GNU/Linux
blade797:~ # cat /proc/cmdline root=/dev/disk/by-id/cciss-3600508b1001030343220202020200018-part2 resume=/dev/disk/by-id/cciss-3600508b1001030343220202020200018-part1 splash=silent crashkernel=256M-:128M vga=0x317 steps followed to enable kdump:
1) yast2 kdump
2) chkconfig boot.kdump on
3) reboot
4) cat /sys/kernel/kexec_crash_loaded
1
5) echo c > /proc/sysrq-trigger
6) system panicked, but dump is not captured.
7) I'm missing /proc/vmcore on Sless11Sp1.
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May 31, 2011
I am trying to setup HA for mySQL on SLES11sp1 with DRBD and heartbeat. I found the HAE of SLES seems has DRBD and SLES10 also have a older version. But after I installed SLES11 and also one SLES11sp1,both don't have DRBD. I downloaded a DRBD RPM for opensuse,it gave me glic error "need glic.so.64 bit",etc. When I tried to install those GLBIC stuff ,also errors for dependencies again. I tried to use the source
[Code]...
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Sep 6, 2010
I have used Dump Command to dump the application files. For Full backup the level 0 is working fine. For incremental backup I used the level 1 or 2 it is getting the error as
DUMP: Only level 0 dumps are allowed on a subdirectory
DUMP: The ENTIRE dump is aborted.
The code I used
===============================
#!/bin/bash
#Full Day Backup Script
#application folders backup
#test is the username
now=$(date +"%d-%m-%Y")
[Code]...
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Oct 7, 2009
I want to generate core dump files from my program when it crashes. Its a pretty big process and has about 10-11 threads in it.I have followed the documentation to enable core dump by setting ulimit to unlimited etc. I quickly tried "A demo program creating a core dump" from the following webpage, which succeeds in Segfault and dumping a core file in the directory that I configured.However, I tried running my original program and caused it to crash. I did this by making calls to kill(), raise() or the same null pointer access as shown in the webpage above. In each case, my program crashed but did not generate a core dump file. Am I missing something?My program is in C++ and my environment is Redhat 9.0 (kernel 2.4.20)
Going through the "Why do I NOT get a core dump?" section on the same webpage as above, I can see two potential problems. One - there are issues with the suid/sgid (bullet # 6). I am not able to change any settings with suid because my system does not contain either /proc/sys/fs/suid_dumpable or /proc/sys/kernel/suid_dumpableTwo, my program has threads in it and the bullet # 8 is the problem.
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Jun 24, 2010
I'm using the Readhat Linux Enterprise 5, and I encountered a problem about captured keyboard need your help. I log in after entering the required username and password using keyboard, but then the keyboard is captured, i.e., I can not enter anything using keyboard. Meanwhile the mouse works well all the time. I encountered this problem when I pressed some keys wrongly two days ago, but unfortunatelly I can not find out these exact keys I pressed.
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Feb 4, 2010
This is opensuse 11.2.
Somehow zypper is running at 100% cpu and won't die with command line kill, the system monitor kill, terminate or anything. I set it's priority to the lowest it will go, tried to stop it then kill it, nothing works as it simply is not responding to anything and it has been running now for 47 hours.
Is there a way to simply dump a process out of memory without requiring it to respond to a signal? because signals are doing nothing.
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Sep 22, 2010
I want develop an application using webcam.I want to capture the video from webcam and i want to dispay the video.can anybody suggest me how to do that thing using C lanuguage
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Jan 20, 2010
i want to use tshark to save captured data i want it to save it in a certain directory and every x seconds and 5 files so every x seconds Tshark saves another 5 files
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Apr 23, 2011
I want to capture a mms stream daily. All works well with that, but I also want to delete any mpg files that are captured from the stream that are more than 7 days old. Will this command work?
Code:
#!/bin/bash
find /mnt/tera/all_video/thai3 -ctime +7 -name "*.mpg" -exec rm -f {} ; -ls > /var/log/thai3.log 2>&1
[code]....
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Oct 18, 2010
I am capturing the same traffic both on client and server. Using Microsoft Network Monitor on client and tcpdump on Linux server.
And when comparing the content of one specific frame captured on two machines, I see it different!
Precisely:
I have SIP communicator on client and opensips on server. Client is doing a REGISTER request to the server. This request contains "Contact:" header, which should contain an IP address of the machine.
When capturend on client, this header contains local private IP address of a machine with SIP communicator (which is 192.168.***). But when captured on server, this header contains the outer address of my provider's router.
I have 2 possible explanations:
1) Some unknown agent acting between my client and server
2) opensips itself is acting at a so low level, that the result of it's frame manipulation is visible by tcpdump.
I am interested if the second option is possible? opensips is a proxy, so does proxy able to manipulate frames directly in the medium?
If so, the is it possible to run tcpdump at a lower level, so that it see packets before opensips processing?
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Aug 4, 2011
I have an X-Station 25 synth, which has worked fine in the past on Ubuntu. Recently made a fresh install on Xubuntu, and for whatever reason, I'm getting no sound coming out when I just select USB audio.If I go into Sound Preferences, I can see the device. I can even select it for sound input. Hell, if I press some keys on the keyboard, I can see some of the squares on the input level go green.Evidently, there IS sound coming in via the USB connection, and Audacity is capable of recording it.
However, the only way of hearing it is by putting headphones directly into the unit and listening to the monitor output signal. The audio coming in, as detected, is not being played from my laptop speakers/headphones.Am I just missing something here, and that's MEANT to be the only way to hear the audio out?In alsamixer, there are no controls for the Xstation, and nothing seems to be muted. I've upgraded the firmware to the most recent version as well.
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Jan 18, 2011
Recently I tried to get BGP table dumps from public route servers. I telnetted into one of those public route servers and ran "show ip bgp" command. My question is: how to save the command output to my local machine? I cannot run "show ip bgp > tmp.txt" on the remote route server.
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Apr 21, 2010
is there a way to get GDB to dump memory map so I can see if certain parts of the memory is executable or not (i.e : if heap/stack is executable). Do you know of a way to do this within GDB session?
Just didn't use gdb, and did instead:
cat /proc/$PID/maps
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Apr 30, 2010
While using gdb to debug a C++ program. What I'd like is to be able to enter an address (or an expression yielding an address), and a size, and have it simply do a hex dump. Or maybe even like:
aaaaaaaa 7473839298 29873479898734 this du mp is fa
aaaaaaab 8298...... .............. ke
(I just made up the hex digits above, and didn't even count columns. But you get the idea)
I'm actually using DDD, so a GUI solution is also acceptable.
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Jul 17, 2009
i've got a non-typical problem here. i've got kvm-ed freebsd (its not so important here) stored on a block device - /dev/sdb8. i wanted to install fedora rawhide there but first i thought it's a good idea to do some backup. so here we go dd if=/dev/sdb8 of=freebsd.img bs=4k
theoretically, dd should do the thing without saying a word, but it doesn't. every time it stops after reaching 16GB filesize (partition is about 35GB) and completely locks the system (only reset helps).the dump worked only once, but when i tried to compress this big image 7z got stucked too and the system froze . the problem occurs when copying to the same drive or to different drive. i've got a partial kerneloops logs, but so far i haven't found the answer.
Code:
Kernel failure message 1:
BUG: Bad page state in process bash pfn:14a224
page:ffffe200048377e0 flags:0040000000000000 count:0 mapcount:0 mapping:0000000000000002 index:2a4b (Tainted: P )
Pid: 9711, comm: bash Tainted: P 2.6.29.5-191.fc11.x86_64 #1
Call Trace:
[<ffffffff810a2be0>] bad_page+0x11d/0x130
[Code]....
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Feb 18, 2010
I got a backup file which first 1000 bytes are as follows:
Code:
00000000 54 41 50 45 00 00 03 00 8c 00 0e 01 00 00 00 00 |TAPE............|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000030 02 00 87 05 51 64 50 48 01 00 00 00 01 00 00 00 |....QdPH........|
[code]....
I tried to restore it:
Code:
$ restore -r -f zzz_labxxxx
Checksum error 32615101403, inode 0 file (null)
restore: Tape is not a dump tape
What application could I use or even try? The man who made the backup can't be reached anymore and we had been left with the backup.
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May 27, 2010
To get core dump from my program, I execute the following commands from the terminal:
ulimit -c unlimited
myprogram
After program crash, I see core file in the home directory. How can I make this mode persistent, to have code dump always?
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Dec 7, 2010
I am trying to create a dump log using tcpdump. I want display the top 10 ip addresses sorted numerically showing how many times the ips are hitting the server. I'm getting frustrated because It's not working how I'd like it to.
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Feb 2, 2011
I've been using Linux for about 8 years now, including Red Hat, Debian, Fedora, Mandrake (now Mandriva), Libranet (R.I.P.), and an aborted foray into Gentoo (not my cup of tea). A few years ago, I switched to Ubuntu, and now I use it everywhere. It runs my Mythtv dvr at home, powers my laptop, and my desktop at work. I'm now considering with some reluctance to return to Debian. I like the basic principles of Debian, and now don't feel I need the latest and greatest packages. However, Ubuntu has generally "just worked" in a desktop setting. Anyone with Ubuntu experience tried Squeeze as a desktop OS yet? How does it compare to Ubuntu?
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Sep 7, 2010
I am still new in linux (Redhat) i used dump command to backup the root of the linux server: #dump -0u -f /dev/st0 / the command is achieved. how to restore this dump.
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Apr 28, 2009
How do I get a full kernel dump?
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Jul 4, 2011
I have a webcam that periodically gets dumped and I have to unplug and plug back in to get it to work again. I think it has to do with somethign about how the webcam is USB 2.0 but my PC is USB 1.0, even though it says it is USB 2.0. In Windows it would also dump it but then it would automatically remount it.
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Jul 27, 2011
In my program, I fork() to get a child process. Because of some problem, child process terminates by a segmentation fault. Parent process is still running. I have compiled my code with -g option. I have done: ulimit -c unlimited. I am not getting core dump of the child process. How can I get the core dump of child process?
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Oct 21, 2009
How to create a dump of an existing file and how to restore it with command line?
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Feb 8, 2010
I have a Red Hat Enterprise (AS) 4.8 system and I need to know how to totally rebuild the system from dump tape. I have been making some full level 0 dumps of the system to the attached DAT72 tape drive... In the case the boot disk goes south, I need to reload from tape, onto a new disk drive. I know how to do this in Solaris. I assume you boot from CD to like a mini-root, then configure and mount the drive on temp mount points, restore the sys data, then load the "boot blocks" (like installboot on solaris).
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Dec 10, 2010
how to collect the memory Dump In Linux?
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Mar 27, 2011
I would like to have dump backup just my home directory but am having problems the command I am using wants to back every thing and takes hours upon hours it has been running for about 10 hr and only 21% is done. This is the command dump -0u -f dp_hd /media/CENTON USB/ /how can I get this to back up only my home directory
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Jun 5, 2009
I need to discover more detail error kernel panic in my linux box, some body know any way do dump in kernel Linux?
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Jan 11, 2011
My application team is asking me to generate the kernel-dump.
Here are details about my server.
OS: RHEL 4.7/32 Bit
Kernel Version: 2.6.9-89.0.23.ELsmp
Processor: Intel(R) Xeon(R) CPU E5520@ 2.27GHz
Hardware: HP Proliant 380G6 series server.
I am using Electric Cloud applications. Sometimes it creates some kernel panic and immediately got rebooted. Kernel-debuginfo rpm is not installed. In some thread, I read the kernel-debuginfo rpm's version should match with the kernel version. In my case I couldn't even find the exact version of kernel-debuginfo version.
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May 19, 2009
Using tar is it possible to backup different types of file system e.g.ext3, ufs, or any other file system. I know using dump it is not possible because it is reading through raw device. Then what about tar? Where I get more info about this? Means suppose I want to backup files from different file systems using tar then is it possible?
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