Christophe LEROY <christophe.le...@c-s.fr> writes: > Le 08/08/2017 à 04:16, Michael Ellerman a écrit : >> Christophe LEROY <christophe.le...@c-s.fr> writes: >> >>> Le 07/08/2017 à 12:41, Michael Ellerman a écrit : >>>> On Wed, 2017-07-19 at 04:49:23 UTC, Benjamin Herrenschmidt wrote: >>>>> This will allow simplifying the returns from do_page_fault >>>>> >>>>> Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> >>>> >>>> Series applied to powerpc next, thanks. >>>> >>>> https://git.kernel.org/powerpc/c/7afad422ac61067473d5f3d20bbd54 >>> >>> Boot failure on the 8xx: >>> >>> [ 6.029556] Failed to execute /init (error -14) >>> [ 6.034623] Starting init: /bin/sh exists but couldn't execute it >>> (error -14) >>> [ 6.041489] Kernel panic - not syncing: No working init found. Try >>> passing init= option to kernel. See Linux >>> Documentation/admin-guide/init.rst for guidance. >>> [ 6.055518] CPU: 0 PID: 1 Comm: init Not tainted >>> 4.13.0-rc3-s3k-dev-00143-g7aa62e972a56 #56 >>> [ 6.063745] Call Trace: >>> [ 6.066224] [c60f1ed0] [c001a624] panic+0x108/0x250 (unreliable) >>> [ 6.072140] [c60f1f30] [c0002640] rootfs_mount+0x0/0x58 >>> [ 6.077311] [c60f1f40] [c000cb80] ret_from_kernel_thread+0x5c/0x64 >>> [ 6.083405] Rebooting in 180 seconds.. >>> >>> >>> Bisected to c433ec0455f921eaf8dd0262a718ce6f8ad62ea2 ("powerpc/mm: >>> Pre-filter SRR1 bits before do_page_fault()") >> >> Sorry about that. I don't have a way to test 8xx. > > Looks like I concluded too quickly yesterday night, indeed the above > commit is the last good one. The faulty one is > d300627c6a53693fb01479b59b0cdd293761b1fa("powerpc/6xx: Handle DABR match > before calling do_page_fault") > >> >>> Will see tomorrow what's wrong with that. >> >> Thanks. > > This is because the 'bl do_page_fault' has been enclosed inside the > #ifdef CONFIG_6xx > > See patch at https://patchwork.ozlabs.org/patch/799039/
Oops :} Thanks for the fix. cheers