On 03/04/2014 04:32 PM, Naoya Horiguchi wrote: > # sorry if duplicate message > > On Mon, Mar 03, 2014 at 04:38:41PM -0500, Sasha Levin wrote: >> On 03/03/2014 03:06 PM, Sasha Levin wrote: >>> On 03/03/2014 12:02 AM, Naoya Horiguchi wrote: >>>> Hi Sasha, >>>> >>>>>> I can confirm that with this patch the lockdep issue is gone. However, the NULL deref in >>>>>> walk_pte_range() and the BUG at mm/hugemem.c:3580 still appear. >>>> I spotted the cause of this problem. >>>> Could you try testing if this patch fixes it? >>> >>> I'm seeing a different failure with this patch: >> >> And the NULL deref still happens. > > I don't yet find out the root reason why this issue remains. > So I tried to run trinity myself but the problem didn't reproduce. > (I did simply like "./trinity --group vm --dangerous" a few hours.) > Could you show more detail or tips about how the problem occurs? I run it as root in a disposable vm, that may be the difference here. Thanks, Sasha -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>