Re: mm: BUG_ON with NUMA_BALANCING (kernel BUG at include/linux/swapops.h:131!)

2015-05-18 Thread Mel Gorman
On Mon, May 18, 2015 at 12:32:29AM -0700, Haren Myneni wrote: Mel, I am hitting this issue with 4.0 kernel and even with 3.19 and 3.17 kernels. I will also try with previous versions. Please let me know any suggestions on the debugging. Please keep going further back in time to see if

Re: mm: BUG_ON with NUMA_BALANCING (kernel BUG at include/linux/swapops.h:131!)

2015-05-18 Thread Haren Myneni
On 5/18/15, Mel Gorman mgor...@suse.de wrote: On Mon, May 18, 2015 at 12:32:29AM -0700, Haren Myneni wrote: Mel, I am hitting this issue with 4.0 kernel and even with 3.19 and 3.17 kernels. I will also try with previous versions. Please let me know any suggestions on the debugging.

Re: mm: BUG_ON with NUMA_BALANCING (kernel BUG at include/linux/swapops.h:131!)

2015-05-18 Thread Haren Myneni
Mel, I am hitting this issue with 4.0 kernel and even with 3.19 and 3.17 kernels. I will also try with previous versions. Please let me know any suggestions on the debugging. Thanks Haren On 5/14/15, Haren Myneni hmyn...@gmail.com wrote: On 5/14/15, Mel Gorman mgor...@suse.de wrote: On

Re: mm: BUG_ON with NUMA_BALANCING (kernel BUG at include/linux/swapops.h:131!)

2015-05-14 Thread Haren Myneni
On 5/14/15, Mel Gorman mgor...@suse.de wrote: On Wed, May 13, 2015 at 01:17:54AM -0700, Haren Myneni wrote: Hi, I am getting BUG_ON in migration_entry_to_page() with 4.1.0-rc2 kernel on powerpc system which has 512 CPUs (64 cores - 16 nodes) and 1.6 TB memory. We can easily recreate this

Re: mm: BUG_ON with NUMA_BALANCING (kernel BUG at include/linux/swapops.h:131!)

2015-05-14 Thread Mel Gorman
On Wed, May 13, 2015 at 01:17:54AM -0700, Haren Myneni wrote: Hi, I am getting BUG_ON in migration_entry_to_page() with 4.1.0-rc2 kernel on powerpc system which has 512 CPUs (64 cores - 16 nodes) and 1.6 TB memory. We can easily recreate this issue with kernel compile (make -j500). But I

mm: BUG_ON with NUMA_BALANCING (kernel BUG at include/linux/swapops.h:131!)

2015-05-13 Thread Haren Myneni
Hi, I am getting BUG_ON in migration_entry_to_page() with 4.1.0-rc2 kernel on powerpc system which has 512 CPUs (64 cores - 16 nodes) and 1.6 TB memory. We can easily recreate this issue with kernel compile (make -j500). But I could not reproduce with numa_balancing=disable. [ cut