Re: linux-next: Tree for Jan 20 -- Kernel panic - Unable to mount root fs

Guenter Roeck
2015-01-20T22:13:45Z

On Tue, Jan 20, 2015 at 11:08:23PM +0100, Sabrina Dubroca wrote:
> 2015-01-20, 21:58:31 +0000, Al Viro wrote:
> > On Tue, Jan 20, 2015 at 10:38:58PM +0100, Sabrina Dubroca wrote:
> >
> > > [ 1.538646] fn_lookup bsg/0:0:0:0 -2, ffff88001f718000 bsg/0:0:0:0
> > > [ 1.539704] fn_lookup bsg 0, ffff88001f718000 bsg
> > > [ 1.540559] fn_lookup bsg/0:0:0:0 -2, ffff88001f718000 bsg/0:0:0:0
> > > [ 1.552611] fn_lookup bsg/1:0:0:0 -2, ffff88001f718000 bsg/1:0:0:0
> > > [ 1.553689] fn_lookup bsg 0, ffff88001f718000 bsg
> > > [ 1.554505] fn_lookup bsg/1:0:0:0 -2, ffff88001f718000 bsg/1:0:0:0
> > > [ 1.557554] fn_lookup sda 0, ffff88001f718000 sda
> > > [ 1.558368] fn_lookup sda 0, ffff88001f718000 sda
> > > [ 1.564190] fn_lookup sda1 0, ffff88001f718000 sda1
> > > [ 1.565008] fn_lookup sda1 0, ffff88001f718000 sda1
> > > [ 1.570751] fn_lookup /dev/ram -2, ffff88001f71a300 /dev/ram
> > > [ 1.571786] fn_lookup /dev/root -2, ffff88001f71b480 /dev/root
> >
> > Nuts... Is reverting just this (do_path_lookup()) part of commit sufficient
> > to recover the normal behaviour?
>
> Yes.
>
Same on microblaze.

Guenter