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SubjectRe: Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00 since 5.17
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On 3/30/22 8:43 PM, Willy Tarreau wrote:
> Hi Ben,
>
> On Wed, Mar 30, 2022 at 02:27:56PM -0700, Ben Greear wrote:
>> Run /init as init process
>> Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00
>> /init: error whitsc: Refined TSC clocksource calibration: 2903.996 MHz
>> le loading shareCPU: 2 PID: 1 Comm: init Not tainted 5.17.0+ #12
>> d libraries: libclocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x29dc020bb13, max_idle_ns: 440795273180 ns
>> rt.so.1: cannot Hardware name: Default string Default string/SKYBAY, BIOS 5.12 08/04/2020
>> open shared objeCall Trace:
>> ct file: No such <TASK>
>> file or directo dump_stack_lvl+0x47/0x5c
>> ry
>
> The coincidence between this error about your userland "libclocksource"
> and the messages about the clock sources being refined makes me wonder
> if there could be an error experienced during this lib's initialization
> at a moment where the list of clocksources appears empty or opening one
> of the /sys file is temporarily refused. I suspect that making a much
> larger or much smaller initrd could change the initialization order
> enough to prevent such an event from happening, but that sounds a bit
> odd :-/
>
> Willy

For whatever reason, it was quite reproducible yesterday. I notice that it
often (50+% of the time) failed on soft reboot, but I don't think it failed
a single time when I then went and powered it down fully and powered it back on.

So possibly it is some un-initialized memory somewhere that is exacerbating
some problem.

I will keep a watch on these errors and see if they always related to libclocksource.
Looks like 'rt.so.1' is what it cannot find though? So maybe nothing particular to
do with /sys?

Thanks,
Ben

--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com

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