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 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. >> > > Please

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

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 wrote: > On 5/14/15, Mel Gorman wrote: >> On Wed, May 13, 2015 at 01:17:54AM -

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 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 issue w

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). Bu

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 he