RE: [PATCH] scsi: storvsc: Fix a panic in the hibernation procedure

[Dexuan Cui]

> From: Bart Van Assche <bvanassche@xxxxxxx>
> Sent: Thursday, April 23, 2020 4:25 PM
> On 2020-04-23 11:29, Dexuan Cui wrote:
> > So it looks the below patch also works for me:
> >
> > --- a/kernel/power/hibernate.c
> > +++ b/kernel/power/hibernate.c
> > @@ -898,6 +898,11 @@ static int software_resume(void)
> >         error = freeze_processes();
> >         if (error)
> >                 goto Close_Finish;
> > +
> > +       error = freeze_kernel_threads();
> > +       if (error)
> > +               goto Close_Finish;
> > +
> >         error = load_image_and_restore();
> >         thaw_processes();
> >   Finish:
> >
> > Just to be sure, I'll do more tests, but I believe the panic can be fixed
> > by this according to my tests I have done so far.
> 
> If a freeze_kernel_threads() call is added in software_resume(), should
> a thaw_kernel_threads() call be added too?
> 
> Anyway, please Cc me if a patch for software_resume() is submitted.

FYI, I posted a fix: https://lkml.org/lkml/2020/4/23/1540

Thanks,
-- Dexuan