On Sat, 31 Oct 2015, Paul Menzel wrote:
> > Well, that didn't help much. Paul hit another oops, this time in
> > sd_mod but again apparently related to runtime PM. My patch only
> > touched sr_mod.
> >
> > This time he sent photos of the complete oops; see
> > <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=801925;filename=20151020_005.jpg;att=4;msg=15>
> > and
> > <https://bugs.debian.org/cgi-bin/bugreport.cgi?filename=20151020_006.jpg;bug=801925;att=3;msg=15>
>
> after backing up my data, I tested a little bit more, and using Linux
> 3.19 the drive is detected and the system boots.
>
> Does anything stand out what changed in this area between Linux 3.19 and
> 4.1?
I believe the problem shown in that photo was fixed by commit
49718f0fb8c9 ("SCSI: Fix NULL pointer dereference in runtime PM"),
which was merged in 4.2 and has been back-ported to various stable
releases.
Alan Stern
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