On Thu, 21 Mar 2019 at 20:48, Qian Cai <cai@xxxxxx> wrote:
> OK, those pages look similar enough. If you add this to __init_single_page() in
> mm/page_alloc.c :
>
> if (page == (void *)0xffffdcd2607ce000 || page == (void *)0xffffe4b7607ce000 ||
> page == (void *)0xffffd27aa07ce000 || page == (void *)0xffffcf49607ce000) {
> printk("KK page = %px\n", page);
> dump_stack();
> }
>
> to see where those pages have been initialized in the first place.
In the new kernel panics "page" also does not repeated.
$ journalctl | grep "page:"
Mar 21 20:46:56 localhost.localdomain kernel: page:fffffbbbe07ce000 is
uninitialized and poisoned
Mar 21 21:28:03 localhost.localdomain kernel: page:ffffdecc207ce000 is
uninitialized and poisoned
Mar 21 23:43:24 localhost.localdomain kernel: page:fffff91ce07ce000 is
uninitialized and poisoned
--
Best Regards,
Mike Gavrilov.
