Questions tagged [panic]
20 questions
2
votes
4 answers
Why mce panic @4.18 kernel pass @5.15 kernel
When testing inject uncorrected error, it crashed in CentOS kernel 4.18 but pass in upstream kernel 5.15
This issue may relate to:
inject uncorrected error then system reboot
Why kernel panic when panic_on_warn==0
Summary the call trace:
[ …
Mark K
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2
votes
0 answers
Kernel panic - not syncing: unable to mount root fs on unknown-block(0,0) after building a kernel without initramfs
While trying to install KISS Linux (a distribution which doesn't use (or at least doesn't by default) an initramfs), a distribution that requires you to build your own kernel, I always get the same kernel panic message, no matter what configuration…
HasanQ
- 31
- 4
1
vote
2 answers
Panic/reboot multiple servers simultaneously via Ansible
I want to panic/reboot multiple servers at the same time via Ansible CLI, however, the command below gets stuck at execution. Could someone advise how to revise the command to achieve the concurrent panic/reboot?
ansible HostGroup -m shell -a 'echo…
wang larry
- 31
- 3
1
vote
0 answers
What happend if preempt_enable() inside an nmi?
https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-8/-/blob/ccf40dfacd314ab0fea16cfc6f4eded1a08e2710/arch/x86/kernel/cpu/mce/core.c#L1331
preempt_enable() before nmi_exit(), is this a OK code?
if ((m.cs & 3) == 3) {
/* If…
Mark K
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1
vote
1 answer
What is die hard in linux? is there a die soft?
https://github.com/torvalds/linux/blob/bf272460d744112bacd4c4d562592decbf0edf64/arch/x86/kernel/cpu/mce/core.c#L1543
if ((m.cs & 3) == 3) {
/* If this triggers there is no way to recover. Die hard. */
BUG_ON(!on_thread_stack() ||…
Mark K
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1
vote
1 answer
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00 - Not able to resolve
I am facing a Kernel panic from which I am not able to solve my way out. I saw some posts regarding the same but none seems to be conclusive.
I am trying on a Raspberry Pi 4B hardware to build and use my own Bootloader and Linux version.
U-Boot:…
Sreedhar
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1
vote
0 answers
Kernel Panic on reboot
I manage a RHEL 8.2 server hosted in Azure and whenever I reboot the server, it goes to Kernel Panic. I am getting the below error message.
Starting Reboot...
[1892395.172835] printk: systemd-shutdow: 45 output lines suppressed due to…
rohit pillai
- 13
- 3
1
vote
1 answer
How to boot Any Linux Distro on an MSI GE73 8RF
I'm trying to get any Distro to even boot into a Live Session. since this isn't working i'm to0 scared to even try installing one. Hoever every distro i tried Gives a "Kernel panic" or a freeze during boot
Ubuntu 18.04 LTS (kernal 4.15) - Kernel…
Hazmat
- 31
- 3
1
vote
0 answers
New Ryzen laptop - suspend = panic, is a fix in the pipeline?
As though I had not had some 10 years of on-and-off Linux experience, I patiently awaited the release of laptops with the new AMD Ryzen "APU" chips, planning to install Linux, after speculative execution vulnerabilities made Intel look bad. So I…
scythe
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1
vote
0 answers
How can I get /proc/net/dev from vmcore?
My system(CentOS6) crashed, and I got a vmcore.
Now I want to know how to get /proc/net/dev in vmcore, or how can I get net
statistics counter data(e.g, netstat -s)?
I trigger a crash on CentOS7, and I can find some counters after run net and…
Barathrum
- 79
- 9
1
vote
0 answers
How do I fix debian jessie shutdown error?
I recently got a pc and I installed debian jessie. And everything is going well, the problem is when I try to shut down the pc, because it freezes, the same happens if I try to restart, suspend. The pc is an acer Aspire E 15 and processor: intel…
Christian Zaldivar
- 11
- 1
0
votes
0 answers
BUG_ON(true) will only trigger invalid opcode 0000?
It looks BUG_ON(true) will trigger a kernel BUG which is (always) invalid opcode 0000
BUG_ON(true) will never trigger a kernel BUG like invalid opcode FFFF or BEEF
am I correct?
Mark K
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0
votes
0 answers
Why invliad opcode always 0000
Every time seeing an invalid opcode, it always shows 0000, what does this 0000 mean?
ex:
kernel BUG at arch/x86/kernel/cpu/mce/core.c:1364!
invalid opcode: 0000 [#1] SMP NOPTI
0000 means opcode is 0000, or execution result is 0000, or error code is…
Mark K
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0
votes
1 answer
Trying to install Mullvad VPN on Manjaro ARM Laptop via yay and getting rust backtrace error
Please help me solve this issue! I have already uninstalled rust but that did not solve the problem... Here is the code:
error: failed to run custom build command for `libdbus-sys v0.2.1`
Caused by:
process didn't exit successfully:…
Flowet
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- 1
0
votes
2 answers
Kernel Panic - Not syncing : VFS: unable to mount root fs on unknown-block (0,0)
After updating more than ~1000 things my installation of RHEL 2.6.32-220.el6.x86_64.
I get the following kernel panic message:
Kernel Panic - Not syncing : VFS: unable to mount root fs on unknown-block (0,0)
I am able to boot with the bootloader…
3dalliance
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