Kernal Panic Error In Linux
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Kernel Panic Linux Troubleshooting
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Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Determining cause of Linux kernel panic error in linux redhat 6 kernel panic up vote 15 down vote favorite 13 I'm running an Ubuntu 12.04 derivative (amd64) and I've been having really strange issues recently. Out of the blue, seemingly, X will freeze completely for a while (1-3 minutes?) and then the system will reboot. This system is overclocked, but very stable as verified in Windows, which leads me to believe I'm having a kernel panic or an issue with one of my modules. Even in Linux, I linux kernel panic log can run LINPACK and won't see a crash despite putting ridiculous load on the CPU. Crashes seem to happen at random times, even when the machine is sitting idle. How can I debug what's crashing the system? On a hunch that it might be the proprietary NVIDIA driver, I reverted all the way down to the stable version of the driver, version 304 and I still experience the crash. Can anyone walk me through a good debugging procedure for after a crash? I'd be more than happy to boot into a thumb drive and post all of my post-crash configuration files, I'm just not sure what they would be. How can I find out what's crashing my system? Here are a bunch of logs, the usual culprits. .xsession-errors: http://pastebin.com/EEDtVkVm /var/log/Xorg.0.log: http://pastebin.com/ftsG5VAn /var/log/kern.log: http://pastebin.com/Hsy7jcHZ /var/log/syslog: http://pastebin.com/9Fkp3FMz I can't even seem to find a record of the crash at all. Triggering the crash is not so simple, it seem to happen when the GPU is trying to draw multiple things at once. If I put on a YouTube video in full screen and let it repeat for a while or scroll through a ton of GIFs and a Skype notification pops up, sometimes it'll crash. Totally scratching my head on this one. The CPU is overclocked to 4.8GHz, but it's completely stable and has survived huge LINPACK runs and 9 hours of Pri
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Kernel Panic Causes
posting ads with us Unix & Linux Questions Tags Users Badges Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users http://unix.stackexchange.com/questions/60574/determining-cause-of-linux-kernel-panic of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to repair system if kernel panic? up vote 3 down vote favorite I've just updated http://unix.stackexchange.com/questions/76812/how-to-repair-system-if-kernel-panic packages: 2013-05-23 11:15:34 startup archives unpack 2013-05-23 11:15:35 upgrade locales:all 2.13-38 2.17-3 2013-05-23 11:15:35 status half-configured locales:all 2.13-38 2013-05-23 11:15:35 status unpacked locales:all 2.13-38 2013-05-23 11:15:35 status half-installed locales:all 2.13-38 2013-05-23 11:15:35 status triggers-pending man-db:amd64 2.6.3-3 2013-05-23 11:15:35 status half-installed locales:all 2.13-38 2013-05-23 11:15:38 status half-installed locales:all 2.13-38 2013-05-23 11:15:38 status unpacked locales:all 2.17-3 2013-05-23 11:15:39 status unpacked locales:all 2.17-3 2013-05-23 11:15:39 upgrade libc6:i386 2.13-38 2.17-3 2013-05-23 11:15:39 status half-configured libc6:i386 2.13-38 2013-05-23 11:15:40 status unpacked libc6:i386 2.13-38 2013-05-23 11:15:40 status half-configured libc6:amd64 2.13-38 2013-05-23 11:15:40 status half-installed libc6:i386 2.13-38 2013-05-23 11:15:47 status half-installed libc6:i386 2.13-38 2013-05-23 11:15:47 status unpacked libc6:i386 2.17-3 2013-05-23 11:15:48 status unpacked libc6:i386 2.17-3 2013-05-23 11:15:48 upgrade libc6:amd64 2.13-38 2.17-3 2013-05-23 11:15:48 status half-configured libc6:amd64 2.13-38 2013-05-23 11:15:48 status unpacked libc6:amd64 2.13-38 2013-05-23 11:15:48 status half-installed libc6:amd64 2.13-38 2013-05-23 11:15:53 status half-installed libc6:amd64 2.13-38 2013-05-23 11:15:53 status unpacked libc6:amd64 2.17-3 2013-05-23 11:15:54 status unpacked libc6:amd64 2.17-3 2013-05-23 11:15:54 trigproc man-db:amd64 2.6.3-3 2.6.3-3 2013-05-23 11:15:54 status half-configured man-db:amd64 2.6.3-3 2013-05-23 11:16:00 statu
LinkedIn How to Use this Site ? Redhat Enterprise Linux - Troubleshooting Kernel Panic issues - Part 2 September 30, 2013By RamdevOther Learning Articles that you may like to http://unixadminschool.com/blog/2013/09/redhat-enterprise-linux-troubleshooting-kernel-panic-issues-part-2/ read Latest ArticlesInformation CentersLinux AdminSolaris AdminVxVM AdminVCS AdminCareer GuidanceScriptingStorage AdminQuick ReferenceLatest Articles Information Centers http://askubuntu.com/questions/35722/what-is-kernel-panic Linux Admin Solaris Admin VxVM Admin VCS Admin Career Guidance Scripting Storage Admin Quick Reference Free Courses We Offer Linux Administration Interview Preparation [Free Email Crash Course] Roles and Responsibilities of System Admin [Free Course] Getting Started with RHEL7 Administration [Free Course] Paid Training Courses we Offer Self Paced CoursesLive WebexSelf Paced CoursesSolaris11 Self kernel panic Paced Video Learning RHEL7 Self Paced Video Learning VxVM + VCS Self Paced Video Learning Solaris10 Self Paced Video Learning Puppet Automation Self Paced Video Learning Live WebexSolaris 11 Administration Live WebEx Puppet Automation - Live WebEx Veritas ( VCS+VxVM) Live Webex This is continuation post to our earlier kernel panic reference post ( Redhat Enterprise Linux 6 – Kernel Panic and System Crash – Troubleshooting Quick panic error in Reference ) where we have discussed several types of kernel panic issues and their reasons. And in this post I will be talking about the procedures and some guidelines to diagnosis and troubleshoot the common kernel panic issues in redhat linux. Btw, please note that these are just guidelines and purely your knowledge purpose, but they doesn't guarantee any solutions to your environment specific issues. You need to take extreme care and precaution while troubleshooting issues which are very specific to your hardware and software environment. How do we analyse System Crash and Kernel Panic Issues Normally we expect we have already configured Kdump to gather necessary vmcore to analyse these kind of issues. If we have vmcore ready we could use the crash utility to do some of analyse of some of the stuff as given below: What is Kdump? Starting in Red Hat Enterprise Linux 5, kernel crash dumps are captured using the kdump mechanism. Kexec is used to start another complete copy of the Linux kernel in a reserved area of memory. This secondary kernel takes over and copies the memory pages to the crash dump location. How do we configure the kdump ? In brief it has followin
communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top What is kernel panic? up vote 44 down vote favorite 11 I just completed an OS course. I heard the phrase "kernel panic" a lot. Can you explain What is a kernel panic? Why does it occur? How can I find out that a kernel panic occurred? What effect does it have on the system? Does it only occur in Linux? How can I prevent it? kernel share|improve this question edited Apr 18 '11 at 18:58 RobotHumans 19.2k24887 asked Apr 18 '11 at 6:55 user 86031528 Kernel panic is part of an error message on macs. if it say's "panic we are hanging here" ( a guess is that it might be part of unix.) –Alvar Apr 18 '11 at 10:34 18 If you were doing an OS course, why didn't you ask your lecturers to explain the terminology they were using? You would have got a lot more out of your studies. –TRiG Apr 18 '11 at 11:42 add a comment| 2 Answers 2 active oldest votes up vote 51 down vote accepted 1 Question at a time per the FAQ What is kernel panic? When the kernel can't load properly or "freaks out" and fails to boot properly or crashes(see edit credit at the bottom). Why it occurs? Hosed updates, failing hardware, unsupported hardware, failed or missing drive or partition (see edit credit at the bottom) How can I understand kernel panic occurred? Watch boot prompts(turn off quiet kernel parameter) OR your machine fails to boot What effect it has on system? Failure to boot or system crash Does it only occur in Linux? No, all unix-like operat