Re: NULL pointer dereference in the kernel 3.10

[Mel Gorman]

On Sat, Apr 08, 2017 at 09:39:42PM +0800, zhong jiang wrote:
> when runing the stabile docker cases in the vm.   The following issue will come up.
> 
> #40 [ffff8801b57ffb30] async_page_fault at ffffffff8165c9f8
>     [exception RIP: down_read_trylock+5]
>     RIP: ffffffff810aca65  RSP: ffff8801b57ffbe8  RFLAGS: 00010202
>     RAX: 0000000000000000  RBX: ffff88018ae858c1  RCX: 0000000000000000
>     RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000000000008
>     RBP: ffff8801b57ffc10   R8: ffffea0006903de0   R9: ffff8800b3c61810
>     R10: 00000000000022cb  R11: 0000000000000000  R12: ffff88018ae858c0
>     R13: ffffea0006903dc0  R14: 0000000000000008  R15: ffffea0006903dc0
>     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0000

Post the full report including the kernel version and state whether any
additional patches to 3.10 are applied.

-- 
Mel Gorman
SUSE Labs