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

On Wed, Jan 21, 2015 at 05:32:13AM -0800, Guenter Roeck wrote: > Another data point (though I have no idea if it is useful or what it means): > > In the working case, path_init sets nd->flags to 0x50 or 0x51. > In the non-working case (ie for all files with a '/' in the name), > it sets nd->flags to 0x10 or 0x11, even though it is always called > with the LOOKUP_RCU bit set in flags. Umm... Are those path_init() succeeding or failing? Note that path_init() includes "walk everything except for the last component", so your non-working case is "have it walk anything at all". What's failing there? path_init() or handling the remaining component?