[Bug gcov-profile/94394] [GCOV]It will cause random kernel panic during collecting kernel code coverage

[ammy.yi at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94394

--- Comment #5 from ammy.yi <ammy.yi at intel dot com> ---
(In reply to Martin Liška from comment #4)
> (In reply to ammy.yi from comment #3)
> > Actually, there is some random kernel panic here. 
> > 
> > The following steps may reproduce this issue:
> > 
> > 1. Enable gcov in kconfig
> > 2. build kernel and boot to system
> > 3. Do following load/unload modules steps
> > 
> > modprobe stm_p_basic
> > modprobe intel_th_pci
> > modprobe intel_th_sth
> > modprobe intel_th_msu
> > modprobe stm_console
> > 
> > modprobe -r stm_p_basic
> > modprobe -r intel_th_pci
> > modprobe -r intel_th_sth
> > modprobe -r intel_th_msu
> > modprobe -r stm_console
> 
> Would it be possible to provide a stack-traces where it usually causes a
> kernel panic?
> 
> > 
> > Hi martin,
> > 
> > If it is libgcov issue, do you know where to file issue for it?
> 
> I would create a normal linux kernel bug. The pseudo-runtime is implemented
> in kernel/gcov subfolder.


Hi Martin,

Actually, there is no detailed call trace. The whole call trace I got is added 
in my first comments