On Sun, Nov 19, 2017 at 1:36 AM, LEROY Christophe <christophe.le...@c-s.fr> wrote: > Meelis Roos <mr...@linux.ee> a écrit : > >>> > > How early does it hang ? Any oops or trace ? >>> > >>> > Very early - instead oif kernel emssages, I see some repeated gibberish >>> > of some characteers, and the background turns white. >>> > I am booting from yaboot, background is normally black. >>> >>> Ok, could you try by replacing #ifdef CONFIG_STRICT_KERNEL_RWX by #if 0 >>> in arch/powerpc/lib/code-patching.c >> >> >> With this change and CONFIG_STRICT_KERNEL_RWX=y, it still boots. >> >> BTW, I get these warnings (sorry for the word wrap from screen paste) - >> may they be related or rather not? >> >> WRAP arch/powerpc/boot/zImage.pmac >> WRAP arch/powerpc/boot/zImage.coff >> WRAP arch/powerpc/boot/zImage.miboot >> INFO: Uncompressed kernel (size 0x5d4c3c) overlaps the address of the >> wrapper(0x400000) >> INFO: Fixing the link_address of wrapper to (0x600000) >> > > Then i believe there is something wrong with commit > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20171115&id=37bc3e5fd764fb258ff4fcbb90b6d1b67fb466c1 > > Balbir, do you have any idea ? >
Hmm.. interesting, so nobats works, but code-patching has issues? Any chance you can boot with xmon=on on the command line when you drop into the xmon> prompt, type dl to get the kernel log. Balbir Singh.