[systemd-devel] [systemd]: sd-sync lead to kernel panic

[Zbigniew Jędrzejewski-Szmek]

On Wed, Jun 30, 2021 at 02:54:24PM +0800, www wrote:
> Dear all,
> 
> 
> systemd version: v234
> kernel version: 5.1.5
> 
> 
> My embedded system uses systemd. Occasionally kernel panic appears in this system. It is found that it is related to sd-sync in systemd. How to analyze this and why?
> What causes this problem? Or can you see that sd-sync has a problem processing that file or service?
> If you have any ideas or opinions, or need any specific information, please let me know. 

sd-sync is just systemd calling sync(2) in a thread. So it's just your
kernel crashing.

Zbyszek