Re: [uml-devel] UML hangs with hrtimer test module

[Richard W. <ri...@no...>]

Am Mittwoch, 28. März 2018, 12:28:02 CEST schrieb Joel Fernandes:
> Hi,
> 
> I wrote a kernel module to play with hrtimer subsystem and it hangs
> with UML, Any ideas on why it may be hanging? It doesn't hang on any
> of my other machines. Hopefully I'm not doing something stupid, but I
> don't think I am..
> 
> It appears the timer handler does fire. However, the UML process is
> continously doing a kill(SIGALRM) to the host, and the shell hangs.
> Here's the continous strace output of UML's process at the time of the
> hang: https://hastebin.com/ikehadapon.sql
> 
> To build UML, I do:
> make ARCH=um x86_64_defconfig
> 
> UML kernel version is v4.16-rc4
> 
> Here's the module I'm loading:

Please share the full sources that compile.
The I can have a look.

Thanks,
//richard