Messages in this thread | | | Date | Tue, 10 Sep 2019 12:32:44 +0100 | From | Mike Rapoport <> | Subject | Re: [PATCH] mips: sgi-ip27: switch from DISCONTIGMEM to SPARSEMEM |
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On Mon, Sep 09, 2019 at 06:22:42PM +0200, Thomas Bogendoerfer wrote: > On Fri, 6 Sep 2019 16:02:24 +0300 > Mike Rapoport <rppt@kernel.org> wrote: > > > I suspect that unaligned access comes from __page_to_pfn, can you please > > check what scripts/fadd2line reports for kernel_init_free_pages+0xcc/0x138? > > kernel_init_free_pages+0xcc/0x138: > pagefault_disabled_dec at include/linux/uaccess.h:173 > (inlined by) pagefault_enable at include/linux/uaccess.h:200 > (inlined by) __kunmap_atomic at include/linux/highmem.h:101 > (inlined by) clear_highpage at include/linux/highmem.h:215 > (inlined by) kernel_init_free_pages at mm/page_alloc.c:1124 > > While making some sense out of this I booted the system a few times > with the same kernel and I get different crashes (it even booted once > to userspace). > > Here a list (decoded with fadd2line)
...
> I couldn't make real sense out of this yet, but maybe it gives > a hint for you.
Unfortunately, no :(
Before we start adding printks, can you please run with CONFIG_DEBUG_MEMORY_INIT=y and with
mminit_loglevel=4 ignore_loglevel
in the command line?
> Thomas. > > -- > SUSE Software Solutions Germany GmbH > HRB 247165 (AG München) > Geschäftsführer: Felix Imendörffer
-- Sincerely yours, Mike.
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