On Mon, Feb 7, 2022 at 5:00 PM Wonhyuk Yang <[email protected]> wrote:
> On Mon, Feb 7, 2022 at 7:59 PM David Kahurani <[email protected]> > wrote: > >> I have an Ubuntu system on which I have compiled a kernel and booted > into it. I mostly based the config on the old configuration. > >> > >> I expect that running this command [1] should lead to a kernel panic > but strangely it does not and it only leads to freeze. > >> I don't see the kernel panic messages but the system does freeze and I > have to use the power button to reboot. It is possible that I am supposed > to configure something but have not, maybe I missing something. Could > someone tell me what I am missing out on? > > > > echo c > /proc/sysrq-trigger [1] > > Thanks, this could help too. I figured I could use kdump to save the dmesg logs but it doesn't seem to work with later kernels. > Did you use the GUI terminal? In my ubuntu, I can see the panic > message when I used virtual terminal(Ctrl+Alt+F3). >
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