[Tfug] Need help with kernel panic

Jude Nelson judecn at gmail.com
Thu Dec 4 13:26:03 MST 2014


> (I still wish the kernel wouldn't kill the console buffer when a panic
finishes so one could page backwards, even a little, to see the root of the
problem...)

I think there's a way to do this.  Have a look at
https://wiki.archlinux.org/index.php/boot_debugging, particularly the fbcon
scrollback parameters.

-Jude

On Wed, Dec 3, 2014 at 11:13 PM, John Gruenenfelder <jetpackjohn at gmail.com>
wrote:

> On Wed, Dec 03, 2014 at 05:49:36PM -0500, Jude Nelson wrote:
> >Looks like init crashed.  Have you tried something like
> >init=/lib/sysvinit/init on your kernel command line?  Or maybe
> init=/bin/sh?
> >
> >Jude
>
> Hi Jude,
>
> That was one of the first ideas I had, but it didn't do anything.  But... I
> must have mistyped it or something because I tried it again, passing
> init=/bin/sh to the kernel, and this time I did indeed get a shell prompt
> after the initrd unlocked the LUKS volume.
>
> With that, I manually brought up just enough of the system to get wired
> network access and ran aptitude.  I made sure the handful of systemd bits
> all
> had matching versions and were from testing and not experimental.  Network
> down, unmount volumes, reboot...
>
> And my system is back.  Huzzah!
>
> Thanks for the nudge.  :)
>
> (I still wish the kernel wouldn't kill the console buffer when a panic
> finishes so one could page backwards, even a little, to see the root of the
> problem...)
>
>
> --
> --John Gruenenfelder    Systems Manager, MKS Imaging Technology, LLC.
> Try Weasel Reader for PalmOS  --  http://weaselreader.org
> "This is the most fun I've had without being drenched in the blood
> of my enemies!"
>         --Sam of Sam & Max
>
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