Questions tagged [kernel-panic]

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24
votes
5answers
122k views

Determining cause of Linux kernel panic

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 ...
19
votes
3answers
2k views

What is a “kernel panic”?

What does it mean when your computer has a "kernel panic"? Does it equate to the windows BsoD? Also, what methods, tips, tricks are available to the user when a kernel panic strikes?
13
votes
8answers
40k views

How to early configure Linux kernel to reboot on panic?

You can put "panic=N" on the kernel command line to make the system reboot N seconds after a panic. But is there a config option to specify this (other than the default kernel command line option) ...
59
votes
7answers
105k views

How to cause kernel panic with a single command?

Is it possible to cause a kernel panic with a single command line? What would be the most straightforward such command for a sudoing user and what would it be for a regular user, if any? Scenarios ...
7
votes
5answers
13k views

How to determine which module taints the kernel?

My kernel keeps panicking when connected to a certain wireless network. I'd like to send a bug report but my kernel is apparently tainted. From /var/log/messages: Apr 17 21:28:22 Eiger kernel: [...
18
votes
2answers
17k views

How to investigate cause of total hang?

My Arch machine sometimes hangs, suddenly not responding in any way to the mouse or the keyboard. The cursor is frozen. Ctrl-Alt-Backsp won't stop X11, and ctrl-alt-del does exactly nothing. The ...
6
votes
4answers
10k views

Random restarts caused by a machine check exception

My laptop restarts randomly about twice a day. It shows the following error log before the restart. . Unfortunately I don't have an idea how to decode the Machine Check Exception (MCE). mcelog --...
1
vote
1answer
938 views

Fixing recursive fault but reboot is needed on x3850 x6 SLES12 [closed]

We got a few new machines: x3850 x6. All could pxe boot fine, except one machine, that gives the following kernel panic, looks like an exciting issue: We cannot even scroll up after the kernel ...
6
votes
1answer
358 views

Untraceable stability problem of 3.6.8 kernel on ASUS P53E

Randomly, but not later than after 10 hours of work, the laptop freezes. Just freezes. Knowing that not all hardware errors are reported back to the user I tried the netconsole. Unfortunately the ...
2
votes
3answers
6k views

Intentional kernel panic under Linux?

Is there any way to cause a kernel panic under Linux? I've heard of echo c > /proc/sysrq-trigger but it seems to just freeze, and I'm not sure it's a kernel panic. Is there any C program I can ...
3
votes
1answer
14k views

rcu_sched detected stall on CPU

Seen multiple rcu_sched stall messages in a customer device and it gets crashed/hung. Under this condition, the device is not accessible via SSH or 3G. Kernel version is 3.2.54. "rcu_sched detected ...
2
votes
1answer
342 views

kernel panic then a spam from tracker-miner-f in syslog [closed]

Few hours later after this issue occurred, out of nowhere i got a some sort of a kernel panic for the first time ! lines were flying all the way up i couldn't read it properly, so i unplugged the ...
1
vote
0answers
12 views

lvm mirror leg freezing 10mins after boot? how to fix it and what causes it?

when it happens, I see on the v1 text mode, logs like this: do_writes ... [dm_mirror] recovery_complete ... [dm_mirror] do_mirror ... [dm_mirror] proccess_one_work worker_thread kthread ...
1
vote
1answer
858 views

XBMCbuntu freezes at random intervals

I have a Gateway GM5474 which is running XBMCbuntu on a 500GB Hard drive (the originial I believe or maybe slightly newer hard drive). Little background: The system is still stock, and I was having ...
1
vote
0answers
724 views

Kernel Crash/ Cpu error?

First I will describe my system and then my problem: I have an Assus F555L laptop with an i3 and Intel Integrated Graphics. It is running Linux Mint 17.3 and Windows 10 dual booted. I do not have ...
0
votes
0answers
447 views

systemd-journald missing crash logs

I am running Arch-ARM on RPi3. I have noticed when system crashes I cannot find any related crash log in journal logs. Arch Linux ARM on RPi3: Linux 4.4.37-1-ARCH #1 SMP armv7l GNU/Linux Systemd: ...
0
votes
1answer
222 views

Is the [PID] of Kernel Panic the killer of Kernel Panic?

The following Kernel Panic occurred on my embedded board. I am using 3.10 Kernel. I am analyzing the cause of the Kernel Panic. The Kernel Panic message shows the PID(735). Feb 22 19:40:28 TEST kenel:...