* Re: Linux 3.19-rc3 [not found] ` <54AE7D53.2020305@redhat.com> @ 2015-01-08 15:08 ` Michal Hocko 2015-01-08 16:37 ` Mark Langsdorf 0 siblings, 1 reply; 3+ messages in thread From: Michal Hocko @ 2015-01-08 15:08 UTC (permalink / raw) To: Mark Langsdorf Cc: Linus Torvalds, Linux Kernel Mailing List, linux-arm-kernel, linux-mm, Joonsoo Kim, Marek Szyprowski [CCing linux-mm and CMA people] [Full message here: http://article.gmane.org/gmane.linux.ports.arm.kernel/383669] On Thu 08-01-15 06:51:31, Mark Langsdorf wrote: [...] > [ 1053.968815] active_anon:207417 inactive_anon:25722 isolated_anon:0 > [ 1053.968815] active_file:1300 inactive_file:21234 isolated_file:0 > [ 1053.968815] unevictable:0 dirty:0 writeback:0 unstable:0 > [ 1053.968815] free:1014 slab_reclaimable:1047 slab_unreclaimable:1758 > [ 1053.968815] mapped:733 shmem:58 pagetables:267 bounce:0 > [ 1053.968815] free_cma:1 Still a lot of pages (~80M) on the file LRU list which should be reclaimable because they are not dirty apparently. Anon pages can be reclaimed as well because the swap is basically unused. [...] > [ 1054.095277] DMA: 109*64kB (UR) 53*128kB (R) 8*256kB (R) 0*512kB 0*1024kB > 0*2048kB 1*4096kB (R) 0*8192kB 0*16384kB 1*32768kB (R) 0*65536kB = 52672kB > [ 1054.108621] Normal: 191*64kB (MR) 0*128kB 0*256kB 0*512kB 0*1024kB > 0*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB 0*65536kB = 12224kB [...] > [ 1054.142545] Free swap = 6598400kB > [ 1054.145928] Total swap = 8388544kB > [ 1054.149317] 262112 pages RAM > [ 1054.152180] 0 pages HighMem/MovableOnly > [ 1054.155995] 18446744073709544361 pages reserved > [ 1054.160505] 8192 pages cma reserved Besides underflow in the reserved pages accounting mentioned in other email the free lists look strange as well. All free blocks with some memory are marked as reserved. I would suspect something CMA related. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Linux 3.19-rc3 2015-01-08 15:08 ` Linux 3.19-rc3 Michal Hocko @ 2015-01-08 16:37 ` Mark Langsdorf 2015-01-09 15:56 ` Michal Hocko 0 siblings, 1 reply; 3+ messages in thread From: Mark Langsdorf @ 2015-01-08 16:37 UTC (permalink / raw) To: Michal Hocko Cc: Linus Torvalds, Linux Kernel Mailing List, linux-arm-kernel, linux-mm, Joonsoo Kim, Marek Szyprowski On 01/08/2015 09:08 AM, Michal Hocko wrote: > [CCing linux-mm and CMA people] > [Full message here: > http://article.gmane.org/gmane.linux.ports.arm.kernel/383669] >> [ 1054.095277] DMA: 109*64kB (UR) 53*128kB (R) 8*256kB (R) 0*512kB 0*1024kB >> 0*2048kB 1*4096kB (R) 0*8192kB 0*16384kB 1*32768kB (R) 0*65536kB = 52672kB >> [ 1054.108621] Normal: 191*64kB (MR) 0*128kB 0*256kB 0*512kB 0*1024kB >> 0*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB 0*65536kB = 12224kB > [...] >> [ 1054.142545] Free swap = 6598400kB >> [ 1054.145928] Total swap = 8388544kB >> [ 1054.149317] 262112 pages RAM >> [ 1054.152180] 0 pages HighMem/MovableOnly >> [ 1054.155995] 18446744073709544361 pages reserved >> [ 1054.160505] 8192 pages cma reserved > > Besides underflow in the reserved pages accounting mentioned in other > email the free lists look strange as well. All free blocks with some memory > are marked as reserved. I would suspect something CMA related. I get the same failure with CMA turned off entirely. I assume that means CMA is not the culprit. --Mark Langsdorf -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Linux 3.19-rc3 2015-01-08 16:37 ` Mark Langsdorf @ 2015-01-09 15:56 ` Michal Hocko 0 siblings, 0 replies; 3+ messages in thread From: Michal Hocko @ 2015-01-09 15:56 UTC (permalink / raw) To: Mark Langsdorf Cc: Linus Torvalds, Linux Kernel Mailing List, linux-arm-kernel, linux-mm, Joonsoo Kim, Marek Szyprowski On Thu 08-01-15 10:37:50, Mark Langsdorf wrote: > On 01/08/2015 09:08 AM, Michal Hocko wrote: > >[CCing linux-mm and CMA people] > >[Full message here: > >http://article.gmane.org/gmane.linux.ports.arm.kernel/383669] > > >>[ 1054.095277] DMA: 109*64kB (UR) 53*128kB (R) 8*256kB (R) 0*512kB 0*1024kB > >>0*2048kB 1*4096kB (R) 0*8192kB 0*16384kB 1*32768kB (R) 0*65536kB = 52672kB > >>[ 1054.108621] Normal: 191*64kB (MR) 0*128kB 0*256kB 0*512kB 0*1024kB > >>0*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB 0*65536kB = 12224kB > >[...] > >>[ 1054.142545] Free swap = 6598400kB > >>[ 1054.145928] Total swap = 8388544kB > >>[ 1054.149317] 262112 pages RAM > >>[ 1054.152180] 0 pages HighMem/MovableOnly > >>[ 1054.155995] 18446744073709544361 pages reserved > >>[ 1054.160505] 8192 pages cma reserved > > > >Besides underflow in the reserved pages accounting mentioned in other > >email the free lists look strange as well. All free blocks with some memory > >are marked as reserved. I would suspect something CMA related. > > I get the same failure with CMA turned off entirely. I assume that means > CMA is not the culprit. OK. Do you see all the free page blocks completely reserved without CMA as well? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-01-08 15:08 ` Linux 3.19-rc3 Michal Hocko
2015-01-08 16:37 ` Mark Langsdorf
2015-01-09 15:56 ` Michal Hocko
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