Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002

From: Sudip Mukherjee
Date: Sat Jan 23 2016 - 01:40:29 EST


Hi Huang, Ying,
On Thu, Jan 21, 2016 at 11:36:52AM +0530, Sudip Mukherjee wrote:
> On Thu, Jan 21, 2016 at 01:47:10PM +0800, Huang, Ying wrote:
> > Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> writes:
> >
> > > On Wed, Jan 20, 2016 at 01:00:40PM +0800, Huang, Ying wrote:
> > >> Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> writes:
> > >>
> > >> > On Wed, Jan 20, 2016 at 08:44:37AM +0800, kernel test robot wrote:
> <snip>
> > >
> > > I am not able to reproduce this. Tested just with the kernel and
> > > yocto-minimal-i386.cgz filesystem and it booted properly.
> > >
> > > I guess I need atleast your job file to reproduce this.
> >
> > This is a boot test so I did not attached the job file. But the test
> > result may depends on specific root file system. For example, the
> > process when BUG report is always systemd-udevd. Maybe you need a
> > systemd based root file system.
>
> So silly of me. Since you said 2baed30cb3, so i kept looking at that
> patch.
> Can you please test again after reverting:
> ebd43516d387 ("Staging: panel: usleep_range is preferred over udelay")
>
> If it solves the problem then I will submit a formal patch.

Did you get a chance to test it?

regards
sudip