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- 2018-1-4
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hi all,
imx6q+android5.1+1920x1200 RGB to MIPI 优酷播放视频经常OOM,我的怀疑是DMA没有大块的page可以用导致。
所以在bootargs中把cma修改为384M->512M,但仍没有改善。大家是否遇到同类问题,或者能否提供一些思路,谢谢!
0714_111042_881:[ 262.537291] Out of memory: Kill process 1492 (droid.provision) score 1007 or sacrifice child
0714_111042_881:[ 262.537299] Killed process 1492 (droid.provision) total-vm:1477068kB, anon-rss:7420kB, file-rss:11600kB
0714_111042_893:[ 262.547366] sh invoked oom-killer: gfp_mask=0x4d0, order=2, oom_score_adj=0
0714_111042_904:[ 262.547381] CPU: 1 PID: 2805 Comm: sh Not tainted 3.14.52-gcdf104d-dirty #285
0714_111042_905:[ 262.547438] [<c0014e9c>] (unwind_backtrace) from [<c0011a30>] (show_stack+0x10/0x14)
0714_111042_915:[ 262.547458] [<c0011a30>] (show_stack) from [<c0883020>] (dump_stack+0x64/0xb4)
0714_111042_926:[ 262.547472] [<c0883020>] (dump_stack) from [<c08801d4>] (dump_header.isra.11+0x64/0x188)
0714_111042_927:[ 262.547500] [<c08801d4>] (dump_header.isra.11) from [<c00b34b0>] (oom_kill_process+0x354/0x3d0)
0714_111042_938:[ 262.547513] [<c00b34b0>] (oom_kill_process) from [<c00b3964>] (out_of_memory+0x26c/0x330)
0714_111042_948:[ 262.547524] [<c00b3964>] (out_of_memory) from [<c00b7d28>] (__alloc_pages_nodemask+0x8b8/0x8f8)
0714_111042_959:[ 262.547532] [<c00b7d28>] (__alloc_pages_nodemask) from [<c00b7d78>] (__get_free_pages+0x10/0x24)
0714_111042_959:[ 262.547543] [<c00b7d78>] (__get_free_pages) from [<c001b0bc>] (pgd_alloc+0x14/0x10c)
0714_111042_971:[ 262.547561] [<c001b0bc>] (pgd_alloc) from [<c0030808>] (mm_init.isra.41+0x90/0xd0)
0714_111042_984:[ 262.547583] [<c0030808>] (mm_init.isra.41) from [<c00f3c70>] (do_execve+0x194/0x4f4)
0714_111042_996:[ 262.547596] [<c00f3c70>] (do_execve) from [<c000e3e0>] (ret_fast_syscall+0x0/0x38)
0714_111042_996:[ 262.547603] Mem-info:
0714_111042_996:[ 262.547607] DMA per-cpu:
0714_111042_997:[ 262.547612] CPU 0: hi: 18, btch: 3 usd: 7
0714_111043_005:[ 262.547615] CPU 1: hi: 18, btch: 3 usd: 3
0714_111043_006:[ 262.547618] CPU 2: hi: 18, btch: 3 usd: 3
0714_111043_017:[ 262.547621] CPU 3: hi: 18, btch: 3 usd: 15
0714_111043_017:[ 262.547623] HighMem per-cpu:
0714_111043_017:[ 262.547626] CPU 0: hi: 186, btch: 31 usd: 15
0714_111043_029:[ 262.547630] CPU 1: hi: 186, btch: 31 usd: 31
0714_111043_029:[ 262.547634] CPU 2: hi: 186, btch: 31 usd: 25
0714_111043_038:[ 262.547637] CPU 3: hi: 186, btch: 31 usd: 37
0714_111043_039:[ 262.547652] active_anon:33760 inactive_anon:14550 isolated_anon:0
0714_111043_049:[ 262.547652] active_file:18202 inactive_file:41645 isolated_file:0
0714_111043_050:[ 262.547652] unevictable:0 dirty:0 writeback:0 unstable:0
0714_111043_060:[ 262.547652] free:316280 slab_reclaimable:1449 slab_unreclaimable:3256
0714_111043_061:[ 262.547652] mapped:31490 shmem:2253 pagetables:6566 bounce:0
0714_111043_071:[ 262.547652] free_cma:60121
0714_111043_082:[ 262.547677] DMA free:262600kB min:3100kB low:11708kB high:12484kB active_anon:60kB inactive_anon:268kB active_file:0kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:638976kB managed:607096kB mlocked:0kB dirty:4kB writeback:0kB mapped:320kB shmem:320kB slab_reclaimable:5796kB slab_unreclaimable:13024kB kernel_stack:5400kB pagetables:26264kB unstable:0kB bounce:0kB free_cma:240484kB writeback_tmp:0kB pages_scanned:41100 all_unreclaimable? yes
0714_111043_116:[ 262.547686] lowmem_reserve[]: 0 0 1423 1423
0714_111043_127:[ 262.547704] HighMem free:1002520kB min:512kB low:21184kB high:23044kB active_anon:134980kB inactive_anon:57932kB active_file:72844kB inactive_file:166548kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:1457152kB managed:1457152kB mlocked:0kB dirty:0kB writeback:0kB mapped:125640kB shmem:8692kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
0714_111043_161:[ 262.547710] lowmem_reserve[]: 0 0 0 0
0714_111043_171:[ 262.547749] DMA: 3751*4kB (EMC) 899*8kB (MC) 3*16kB (C) 1*32kB (C) 4*64kB (C) 0*128kB 4*256kB (C) 1*512kB (C) 1*1024kB (C) 2*2048kB (C) 1*4096kB (C) 0*8192kB 0*16384kB 7*32768kB (C) = 262660kB
0714_111043_182:[ 262.547788] HighMem: 7*4kB (U) 6*8kB (U) 3*16kB (UM) 3*32kB (UM) 2*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (U) 0*4096kB 2*8192kB (UM) 2*16384kB (UM) 29*32768kB (UMR) = 1002332kB
0714_111043_194:[ 262.547790] 64059 total pagecache pages
0714_111043_205:[ 262.547798] 1861 pages in swap cache
0714_111043_206:[ 262.547803] Swap cache stats: add 27817, delete 25956, find 1312/10675
0714_111043_206:[ 262.547805] Free swap = 279104kB
0714_111043_217:[ 262.547808] Total swap = 307196kB
0714_111043_217:[ 262.616371] 524288 pages of RAM
0714_111043_219:[ 262.616375] 317264 free pages
0714_111043_229:[ 262.616377] 11426 reserved pages
0714_111043_229:[ 262.616379] 3213 slab pages
0714_111043_229:[ 262.616381] 186212 pages shared
0714_111043_230:[ 262.616383] 1859 pages swap cached
0714_111043_238:[ 262.616388] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
0714_111043_249:[ 262.616412] [ 170] 0 170 2196 104 5 0 -1000 ueventd
0714_111043_262:[ 262.616420] [ 171] 0 171 2196 37 5 0 -1000 watchdogd
0714_111043_263:[ 262.616428] [ 183] 1036 183 4596 388 7 40 -1000 logd
0714_111043_272:[ 262.616434] [ 184] 0 184 2458 72 5 0 -1000 healthd
0714_111043_283:[ 262.616440] [ 185] 0 185 2657 201 5 8 -1000 lmkd
0714_111043_294:[ 262.616447] [ 186] 1000 186 2366 151 4 0 -1000 servicemanager
0714_111043_295:[ 262.616454] [ 187] 0 187 4512 367 7 33 -1000 vold
0714_111043_305:[ 262.616460] [ 188] 1000 188 80165 2026 158 149 -1000 surfaceflinger
0714_111043_316:[ 262.616466] [ 192] 0 192 2331 175 4 2 -1000 sh
0714_111043_317:[ 262.616472] [ 193] 0 193 6735 300 12 28 -1000 netd
0714_111043_327:[ 262.616478] [ 194] 0 194 2515 174 5 0 -1000 debuggerd
0714_111043_344:[ 262.616485] [ 196] 1019 196 5808 807 10 28 -1000 drmserver
0714_111043_350:[ 262.616491] [ 197] 1013 197 35074 2592 32 96 -1000 mediaserver
0714_111043_351:[ 262.616497] [ 198] 1012 198 2354 151 4 15 -1000 installd
0714_111043_362:[ 262.616504] [ 201] 1017 201 3126 406 6 2 -1000 keystore
0714_111043_372:[ 262.616510] [ 203] 0 203 3870 258 6 31 -1000 rild
0714_111043_384:[ 262.616517] [ 204] 0 204 367323 8984 226 216 -1000 main
0714_111043_385:[ 262.616523] [ 207] 1023 207 4364 116 7 38 -1000 sdcard
0714_111043_394:[ 262.616532] [ 490] 1000 490 469154 19852 423 1021 -941 system_server
0714_111043_405:[ 262.616538] [ 1127] 10002 1127 370559 6550 222 292 529 d.process.acore
0714_111043_417:[ 262.616546] [ 1163] 10014 1163 445701 14418 374 577 -705 ndroid.systemui
0714_111043_418:[ 262.616552] [ 1295] 10031 1295 371616 5035 215 397 647 ndroid.exchange
0714_111043_429:[ 262.616558] [ 1330] 10030 1330 374240 6741 228 504 764 m.android.email
0714_111043_439:[ 262.616565] [ 1369] 10035 1369 441980 10520 370 518 117 putmethod.latin
0714_111043_450:[ 262.616572] [ 1409] 1001 1409 374816 8387 226 321 -705 m.android.phone
0714_111043_462:[ 262.616578] [ 1435] 1000 1435 446215 13655 379 610 411 ndroid.settings
0714_111043_462:[ 262.616585] [ 1453] 10005 1453 370437 7251 222 300 294 d.process.media
0714_111043_472:[ 262.616592] [ 1474] 10042 1474 369717 4797 211 277 764 id.printspooler
0714_111043_483:[ 262.616603] [ 1520] 10007 1520 444007 12675 379 739 352 ndroid.launcher
0714_111043_497:[ 262.616610] [ 1627] 10028 1627 370291 5792 218 267 529 droid.deskclock
0714_111043_497:[ 262.616617] [ 1672] 1000 1672 369044 4765 210 279 1000 ndroid.keychain
0714_111043_507:[ 262.616624] [ 1692] 10023 1692 373209 6042 221 320 529 ndroid.calendar
0714_111043_517:[ 262.616631] [ 1724] 10001 1724 369860 6058 217 286 529 viders.calendar
0714_111043_528:[ 262.616638] [ 1753] 10008 1753 369299 4807 211 267 764 gedprovisioning
0714_111043_539:[ 262.616646] [ 1773] 10009 1773 371331 5998 218 346 647 com.android.mms
0714_111043_541:[ 262.616655] [ 1804] 10011 1804 369024 4718 211 283 764 timeinitializer
0714_111043_550:[ 262.616663] [ 1849] 10033 1849 370741 5285 215 288 647 droid.gallery3d
0714_111043_561:[ 262.616673] [ 1915] 0 1915 4501 57 8 24 -1000 adbd
0714_111043_573:[ 262.616682] [ 2257] 1010 2257 3144 652 6 2 -1000 wpa_supplicant
0714_111043_584:[ 262.616691] [ 2262] 10010 2262 369069 4811 210 279 647 android.musicfx
0714_111043_585:[ 262.616700] [ 2538] 1014 2538 2338 159 4 6 -1000 dhcpcd
0714_111043_595:[ 262.616706] [ 2616] 10020 2616 534445 23983 438 1147 0 android.browser
0714_111043_606:[ 262.616713] [ 2690] 10044 2690 369456 5261 207 186 0 .quicksearchbox
0714_111043_607:[ 262.616719] [ 2805] 0 2805 2331 154 4 0 0 sh
0714_111043_617:[ 262.616725] [ 2809] 0 2809 4245 59 8 3 0 adbd
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