On 09/24/2015 05:14 PM, Joe Lawrence wrote: > [ +cc for linux-mm mailinglist address ] > > On 09/24/2015 05:08 PM, Joe Lawrence wrote: >> Hi Mel, Rik et al, >> >> We've encountered interesting NUMA balancing behavior on RHEL7.1, >> reproduced with an upstream 4.2 kernel (of similar .config), that can >> leave a user process trapped in the kernel performing task_numa_work. >> >> Our test group set up a server with 256GB memory running a program that >> allocates and dirties ~50% of that memory. They reported the following >> condition when they attempted to kill the test process -- the signal was >> never handled, instead traces showed the task stuck here: Does the bug still happen with this patch applied? https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=4620f8c1fda2af4ccbd11e194e2dd785f7d7f279 -- All rights reversed -- 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>