Hello,
I've got some crash in dmesg on latest 5.01 Jessie (OrangePi One) build:
[ 69.023650] BUG: Bad page state in process loadcpufreq pfn:5301d
[ 69.023677] page:c0df1414 count:0 mapcount:-16384 mapping: (null) index:0x14
[ 69.023687] page flags: 0x0()
[ 69.023696] Modules linked in: w1_therm w1_gpio wire w1_sunxi gpio_sunxi
[ 69.023768] [<c0016cdc>] (unwind_backtrace+0x0/0xe8) from [<c06d7840>] (dump_stack+0x20/0x24)
[ 69.023801] [<c06d7840>] (dump_stack+0x20/0x24) from [<c00df084>] (bad_page+0xec/0x11c)
[ 69.023824] [<c00df084>] (bad_page+0xec/0x11c) from [<c00df49c>] (get_page_from_freelist+0x24c/0x530)
[ 69.023848] [<c00df49c>] (get_page_from_freelist+0x24c/0x530) from [<c00e04d8>] (__alloc_pages_nodemask+0x21c/0x8ac)
[ 69.023878] [<c00e04d8>] (__alloc_pages_nodemask+0x21c/0x8ac) from [<c00fc1d4>] (do_wp_page+0x4ec/0x7a4)
[ 69.023909] [<c00fc1d4>] (do_wp_page+0x4ec/0x7a4) from [<c00fd8bc>] (handle_pte_fault+0x52c/0x7e4)
[ 69.023934] [<c00fd8bc>] (handle_pte_fault+0x52c/0x7e4) from [<c00fdc88>] (handle_mm_fault+0x114/0x150)
[ 69.023959] [<c00fdc88>] (handle_mm_fault+0x114/0x150) from [<c001b43c>] (do_page_fault+0x118/0x344)
[ 69.023984] [<c001b43c>] (do_page_fault+0x118/0x344) from [<c00083c0>] (do_DataAbort+0x44/0xa8)
[ 69.024005] [<c00083c0>] (do_DataAbort+0x44/0xa8) from [<c000dc58>] (__dabt_usr+0x38/0x40)
[ 69.024020] Exception stack(0xd4cd1fb0 to 0xd4cd1ff8)
[ 69.024033] 1fa0: 00000183 00000000 00000000 00000181
[ 69.024049] 1fc0: 00000183 be9d31e0 b6f3e390 be9d31f0 b6ef9000 b6f3e850 00000181 00000181
[ 69.024068] 1fe0: 00000078 be9d31e0 b6e806d5 b6e8079a 600d0030 ffffffff
[ 69.024081] Disabling lock debugging due to kernel taint