LowMemoryKiller는 많은 시스템 앱을 죽이고 사용자 공간의 죽음을 강요하고 있지만 "무료"는 많은 메모리가 있다고 말합니다

얼마 동안 저는 LowmemoryKiller / OOM에 의해 중요한 시스템 프로세스가 강제 종료되는 문제가있었습니다.

도움말에 이어 며칠 전에 기본적으로 작동하는 500MB 스왑 파일을 추가하여 메모리 압력과 저용량 킬러 트리거를 시도하고 줄였습니다 ( 자세한 내용은 여기 ). free결과는 500MB의 추가 공간 을 보여 주었으며 메모리 부족 문제가 시스템 프로세스를 강제로 종료시키는 것을 막기 위해 충분하다고 생각했습니다.

그러나 도움이되지 않았습니다. 파란색에서 나는 갑자기 다시 매우 악의적 인 "LowMemKiller가 모든 것을 죽였습니다"라는 메시지를 받았습니다. 단 100 초 만에 약 6 개의 코어 덤프 파일이 생성되고 사용자 공간 충돌이 발생했으며 커널 (dmesg) 로그는 낮음을 나타냅니다. 이번에는 시스템에서 많은 양의 스왑을 사용할 수 있고 인식했지만 메모리 문제는보고 된 유일한 문제였습니다 ( free아래 참조).

다음은 사용자 공간 dmesg >dmesg.txt을 init다시 시작한 직후 의 관련 부분입니다 . 로그의 첫 부분에서 새로운 것이 전혀 발생하지 않는 몇 초의 긴 시간이지나갑니다. 2105-2208에서 100 초 동안 사용자 공간이 종료되면 사전에 아무것도없고 원인에 대한 힌트가 없습니다.

전화가 켜져 있습니다

<6>[001992.334927,0] : Report pwrkey press event
<6>[001992.386743,0] mdss_dsi_on+: ctrl=eaec8010 ndx=0
<6>[001992.424178,0] mdss_dsi_on-: 
<6>[001992.424193,0] mdss_dsi_panel_on+: ctrl=eaec8010 ndx=0
<6>[001992.428789,0] : Report pwrkey release event
<6>[001993.730749,0] synaptics_dsx_sensor_state: state change SUSPEND -> ACTIVE
<6>[001993.731405,0] : mdss_dsi_panel_on-. Pwr_mode(0x0A) = 0x9c
<6>[001993.831117,0] qcom,leds-qpnp leds-qpnp-eb62f600: backlight on

40 초 동안 로그에 아무것도 없습니다. 그런 다음 약 5-20 초의 짧은 간격으로 분리 된 메모리 부족으로 인한 여러 번의 버스트가 있습니다.

<6>[002033.125104,1] lowmemorykiller: Killing 'system:ui' (8151), adj 1000, to free 40656kB on behalf of 'kswapd0' (81) because cache 122600kB is below limit 122880kB for oom_score_adj 1000. Free memory is 3200kB above reserved
<6>[002034.172404,2] lowmemorykiller: Killing 'changelogviewer' (7238), adj 1000, to free 32652kB on behalf of 'kswapd0' (81) because cache 121376kB is below limit 122880kB for oom_score_adj 1000. Free memory is 6776kB above reserved
<6>[002035.895963,0] : Report pwrkey press event
<6>[002035.307927,1] lowmemorykiller: Killing 'droid.deskclock' (28714), adj 1000, to free 31756kB on behalf of 'kswapd0' (81) because cache 120252kB is below limit 122880kB for oom_score_adj 1000. Free memory is 5532kB above reserved
<6>[002036.387002,0] : Report pwrkey release event
<6>[002036.478425,0] lowmemorykiller: Killing 'com.ebay.mobile' (26933), adj 1000, to free 29016kB on behalf of 'kswapd0' (81) because cache 120268kB is below limit 122880kB for oom_score_adj 1000. Free memory is 3864kB above reserved
<6>[002037.923711,2] lowmemorykiller: Killing 'omm.timeservice' (6682), adj 1000, to free 24544kB on behalf of 'kswapd0' (81) because cache 112140kB is below limit 122880kB for oom_score_adj 1000. Free memory is 3072kB above reserved
<6>[002037.070531,1] lowmemorykiller: Killing 'ndroid.settings' (5632), adj 1000, to free 24344kB on behalf of 'kswapd0' (81) because cache 108888kB is below limit 122880kB for oom_score_adj 1000. Free memory is 5484kB above reserved
<6>[002037.617332,1] lowmemorykiller: Killing 'd.process.media' (5610), adj 1000, to free 23552kB on behalf of 'kswapd0' (81) because cache 109164kB is below limit 122880kB for oom_score_adj 1000. Free memory is 3964kB above reserved
<6>[002038.335908,0] lowmemorykiller: Killing 'enmod.lockclock' (28743), adj 1000, to free 21712kB on behalf of 'kswapd0' (81) because cache 107296kB is below limit 122880kB for oom_score_adj 1000. Free memory is 4616kB above reserved
<6>[002039.245833,1] lowmemorykiller: Killing 'ainfire.supersu' (8025), adj 764, to free 32380kB on behalf of 'kswapd0' (81) because cache 98160kB is below limit 98304kB for oom_score_adj 529. Free memory is 7484kB above reserved
<6>[002040.109486,0] lowmemorykiller: Killing 'd.process.acore' (8429), adj 647, to free 34448kB on behalf of 'kswapd0' (81) because cache 97952kB is below limit 98304kB for oom_score_adj 529. Free memory is 8732kB above reserved
<6>[002043.386164,2] lowmemorykiller: Killing 'putmethod.latin' (14570), adj 764, to free 20732kB on behalf of 'kswapd0' (81) because cache 97896kB is below limit 98304kB for oom_score_adj 529. Free memory is 3564kB above reserved
<6>[002047.012564,0] tapan_codec_chargepump_vdd_event: event = 1
<6>[002048.999115,2] lowmemorykiller: Killing 'd.process.media' (8782), adj 647, to free 33804kB on behalf of 'kswapd0' (81) because cache 95364kB is below limit 98304kB for oom_score_adj 529. Free memory is 4556kB above reserved
<6>[002049.385765,0] lowmemorykiller: Killing 'com.android.mms' (370), adj 529, to free 42768kB on behalf of 'kswapd0' (81) because cache 96588kB is below limit 98304kB for oom_score_adj 529. Free memory is 5264kB above reserved
<6>[002051.397263,0] init: waitpid returned pid 30519, status = 00000000
<6>[002052.710665,1] tapan_codec_chargepump_vdd_event: event = 8
<6>[002054.259864,2] lowmemorykiller: Killing 'd.process.media' (8882), adj 647, to free 33620kB on behalf of 'kswapd0' (81) because cache 93904kB is below limit 98304kB for oom_score_adj 529. Free memory is 7752kB above reserved
<6>[002055.100549,3] lowmemorykiller: Killing 'ndroid.settings' (8939), adj 764, to free 34900kB on behalf of 'kswapd0' (81) because cache 96324kB is below limit 98304kB for oom_score_adj 529. Free memory is 3920kB above reserved
<6>[002056.176783,2] lowmemorykiller: Killing 'd.process.acore' (8930), adj 764, to free 35656kB on behalf of 'kswapd0' (81) because cache 89744kB is below limit 98304kB for oom_score_adj 529. Free memory is 3688kB above reserved
<6>[002064.446038,2] lowmemorykiller: Killing 'd.process.media' (9044), adj 764, to free 33580kB on behalf of 'kswapd0' (81) because cache 90032kB is below limit 98304kB for oom_score_adj 529. Free memory is 14876kB above reserved
<6>[002083.199303,1] lowmemorykiller: Killing 'enmod.lockclock' (8974), adj 647, to free 31236kB on behalf of 'kswapd0' (81) because cache 98132kB is below limit 98304kB for oom_score_adj 529. Free memory is 3308kB above reserved
<6>[002084.892508,1] lowmemorykiller: Killing 'ndroid.settings' (9068), adj 529, to free 53876kB on behalf of 'kswapd0' (81) because cache 95092kB is below limit 98304kB for oom_score_adj 529. Free memory is 5380kB above reserved
<6>[002105.187792,0] lowmemorykiller: Killing 'enmod.trebuchet' (20303), adj 352, to free 33356kB on behalf of 'kswapd0' (81) because cache 80972kB is below limit 86016kB for oom_score_adj 176. Free memory is 3004kB above reserved
<6>[002106.510875,0] lowmemorykiller: Killing 'com.android.mms' (8906), adj 470, to free 39524kB on behalf of 'kswapd0' (81) because cache 80488kB is below limit 86016kB for oom_score_adj 176. Free memory is 16500kB above reserved
<6>[002111.395568,1] lowmemorykiller: Killing 'd.process.media' (9718), adj 529, to free 33576kB on behalf of 'kswapd0' (81) because cache 70448kB is below limit 73728kB for oom_score_adj 117. Free memory is 3484kB above reserved
<6>[002112.755785,1] lowmemorykiller: Killing 'ndroid.settings' (9766), adj 529, to free 34872kB on behalf of 'kswapd0' (81) because cache 69160kB is below limit 73728kB for oom_score_adj 117. Free memory is 3792kB above reserved
<6>[002112.892462,1] lowmemorykiller: Killing 'com.android.mms' (9736), adj 470, to free 35356kB on behalf of 'kswapd0' (81) because cache 68408kB is below limit 73728kB for oom_score_adj 117. Free memory is 7628kB above reserved
<6>[002112.906543,3] binder: release 9736:9755 transaction 7689487 out, still active
<6>[002112.386885,0] lowmemorykiller: Killing 'd.process.acore' (9757), adj 647, to free 34860kB on behalf of 'kswapd0' (81) because cache 69340kB is below limit 73728kB for oom_score_adj 117. Free memory is 4092kB above reserved
<6>[002113.952913,0] lowmemorykiller: Killing 'enmod.lockclock' (9808), adj 647, to free 31048kB on behalf of 'kswapd0' (81) because cache 73224kB is below limit 73728kB for oom_score_adj 117. Free memory is 3852kB above reserved
<6>[002114.465873,3] lowmemorykiller: Killing 'd.process.media' (9872), adj 529, to free 33528kB on behalf of 'kswapd0' (81) because cache 67308kB is below limit 73728kB for oom_score_adj 117. Free memory is 3540kB above reserved
<6>[002115.944547,3] lowmemorykiller: Killing 'd.process.acore' (9920), adj 647, to free 34788kB on behalf of 'kswapd0' (81) because cache 62112kB is below limit 73728kB for oom_score_adj 117. Free memory is 3876kB above reserved
<6>[002115.463421,3] lowmemorykiller: Killing 'ndroid.settings' (9912), adj 647, to free 34804kB on behalf of 'kswapd0' (81) because cache 61372kB is below limit 61440kB for oom_score_adj 58. Free memory is 3444kB above reserved
<6>[002116.625036,3] lowmemorykiller: Killing 'enmod.lockclock' (9947), adj 764, to free 31128kB on behalf of 'kswapd0' (81) because cache 60288kB is below limit 61440kB for oom_score_adj 58. Free memory is 3540kB above reserved
<6>[002116.660223,3] lowmemorykiller: Killing 'd.process.acore' (9960), adj 764, to free 34912kB on behalf of 'kswapd0' (81) because cache 59824kB is below limit 61440kB for oom_score_adj 58. Free memory is 3560kB above reserved
<6>[002131.486032,2] lowmemorykiller: Killing 'd.process.acore' (10031), adj 764, to free 35472kB on behalf of 'kswapd0' (81) because cache 67868kB is below limit 73728kB for oom_score_adj 117. Free memory is 21432kB above reserved
<6>[002132.304917,0] lowmemorykiller: Killing 'd.process.media' (10018), adj 1000, to free 33728kB on behalf of 'Compositor' (8575) because cache 100976kB is below limit 122880kB for oom_score_adj 1000. Free memory is 3492kB above reserved
<6>[002132.374198,1] lowmemorykiller: Killing 'ndroid.settings' (10049), adj 764, to free 34792kB on behalf of 'kswapd0' (81) because cache 64912kB is below limit 73728kB for oom_score_adj 117. Free memory is 3280kB above reserved
<6>[002132.435346,1] lowmemorykiller: Killing 'enmod.lockclock' (10067), adj 647, to free 30996kB on behalf of 'Compositor' (8575) because cache 97520kB is below limit 98304kB for oom_score_adj 529. Free memory is 3364kB above reserved
<6>[002139.202616,3] lowmemorykiller: Killing 'com.android.mms' (9890), adj 470, to free 38940kB on behalf of 'kswapd0' (81) because cache 77428kB is below limit 86016kB for oom_score_adj 176. Free memory is 3352kB above reserved
<6>[002144.987619,0] lowmemorykiller: Killing 'd.process.media' (10354), adj 529, to free 33492kB on behalf of 'kswapd0' (81) because cache 70876kB is below limit 73728kB for oom_score_adj 117. Free memory is 3952kB above reserved
<6>[002145.868772,0] lowmemorykiller: Killing 'ndroid.settings' (10410), adj 647, to free 34748kB on behalf of 'kswapd0' (81) because cache 70496kB is below limit 73728kB for oom_score_adj 117. Free memory is 9208kB above reserved
<6>[002145.500683,0] lowmemorykiller: Killing 'enmod.lockclock' (10439), adj 647, to free 30964kB on behalf of 'kswapd0' (81) because cache 69148kB is below limit 73728kB for oom_score_adj 117. Free memory is 4848kB above reserved
<6>[002146.860274,2] lowmemorykiller: Killing 'd.process.acore' (10393), adj 764, to free 35316kB on behalf of 'kswapd0' (81) because cache 66996kB is below limit 73728kB for oom_score_adj 117. Free memory is 8484kB above reserved
<6>[002146.883536,0] binder: undelivered transaction 7710205
<6>[002147.021644,1] lowmemorykiller: Killing 'd.process.acore' (10507), adj 764, to free 35104kB on behalf of 'kswapd0' (81) because cache 66948kB is below limit 73728kB for oom_score_adj 117. Free memory is 8344kB above reserved
<6>[002147.496709,0] lowmemorykiller: Killing 'd.process.media' (10495), adj 764, to free 33760kB on behalf of 'kswapd0' (81) because cache 65184kB is below limit 73728kB for oom_score_adj 117. Free memory is 8972kB above reserved
<6>[002166.712750,0] lowmemorykiller: Killing 'ndroid.settings' (10529), adj 764, to free 34780kB on behalf of 'kswapd0' (81) because cache 74940kB is below limit 86016kB for oom_score_adj 176. Free memory is 4768kB above reserved
<6>[002166.041116,1] lowmemorykiller: Killing 'enmod.lockclock' (10545), adj 647, to free 30984kB on behalf of 'kswapd0' (81) because cache 76512kB is below limit 86016kB for oom_score_adj 176. Free memory is 4996kB above reserved
<6>[002183.893105,1] lowmemorykiller: Killing 'com.ebay.mobile' (10668), adj 529, to free 46620kB on behalf of 'kswapd0' (81) because cache 71236kB is below limit 73728kB for oom_score_adj 117. Free memory is 4588kB above reserved
<6>[002183.175603,1] lowmemorykiller: Killing 'com.android.mms' (10372), adj 294, to free 39168kB on behalf of 'kswapd0' (81) because cache 69516kB is below limit 73728kB for oom_score_adj 117. Free memory is 4568kB above reserved
<6>[002184.262462,1] lowmemorykiller: Killing 'putmethod.latin' (20205), adj 117, to free 31552kB on behalf of 'kswapd0' (81) because cache 64740kB is below limit 73728kB for oom_score_adj 117. Free memory is 4528kB above reserved
<6>[002185.901421,1] lowmemorykiller: Killing 'pal.androidterm' (20591), adj 117, to free 22780kB on behalf of 'kswapd0' (81) because cache 62628kB is below limit 73728kB for oom_score_adj 117. Free memory is 4548kB above reserved
<6>[002185.077441,0] init: waitpid returned pid 26289, status = 0000fc00
<6>[002185.611288,2] lowmemorykiller: Killing 'android.smspush' (20927), adj 58, to free 16176kB on behalf of 'kswapd0' (81) because cache 56236kB is below limit 61440kB for oom_score_adj 58. Free memory is 3392kB above reserved
<6>[002186.955956,0] init: waitpid returned pid 26285, status = 00000001
<6>[002186.006426,1] init: waitpid returned pid 26256, status = 00008100
<6>[002186.431086,0] lowmemorykiller: Killing 'mozilla.firefox' (6712), adj 0, to free 354160kB on behalf of 'kswapd0' (81) because cache 46540kB is below limit 49152kB for oom_score_adj 0. Free memory is 5192kB above reserved
<6>[002186.606429,1] init: waitpid returned pid 19765, status = 00000000
<6>[002191.881505,2] lowmemorykiller: Killing 'd.process.media' (10858), adj 1000, to free 33140kB on behalf of 'kswapd0' (81) because cache 87004kB is below limit 98304kB for oom_score_adj 529. Free memory is 3960kB above reserved
<6>[002191.291965,1] lowmemorykiller: Killing 'd.process.acore' (10918), adj 764, to free 35228kB on behalf of 'kswapd0' (81) because cache 81776kB is below limit 86016kB for oom_score_adj 176. Free memory is 3832kB above reserved
<6>[002191.591134,1] lowmemorykiller: Killing 'ndroid.settings' (10928), adj 647, to free 34460kB on behalf of 'kswapd0' (81) because cache 77724kB is below limit 86016kB for oom_score_adj 176. Free memory is 4280kB above reserved
<6>[002192.697565,2] lowmemorykiller: Killing 'enmod.lockclock' (10957), adj 529, to free 30720kB on behalf of 'kswapd0' (81) because cache 76880kB is below limit 86016kB for oom_score_adj 176. Free memory is 3604kB above reserved
<6>[002192.739096,2] lowmemorykiller: Killing 'com.android.mms' (10883), adj 470, to free 38292kB on behalf of 'kswapd0' (81) because cache 74704kB is below limit 86016kB for oom_score_adj 176. Free memory is 7352kB above reserved
<6>[002193.555477,2] lowmemorykiller: Killing 'enmod.trebuchet' (10844), adj 0, to free 58452kB on behalf of 'kswapd0' (81) because cache 48516kB is below limit 49152kB for oom_score_adj 0. Free memory is 3116kB above reserved
<6>[002194.171773,1] binder: undelivered transaction 7731151
<6>[002194.355847,0] lowmemorykiller: Killing 'd.process.acore' (11091), adj 529, to free 34780kB on behalf of 'kswapd0' (81) because cache 47368kB is below limit 49152kB for oom_score_adj 0. Free memory is 8656kB above reserved
<6>[002194.554944,0] lowmemorykiller: Killing 'd.process.media' (11118), adj 529, to free 33392kB on behalf of 'enmod.trebuchet' (11110) because cache 81508kB is below limit 86016kB for oom_score_adj 176. Free memory is 6088kB above reserved
<6>[002194.670126,0] lowmemorykiller: Killing 'com.android.mms' (11151), adj 294, to free 34528kB on behalf of 'kswapd0' (81) because cache 47332kB is below limit 49152kB for oom_score_adj 0. Free memory is 3564kB above reserved
<6>[002194.680946,2] binder: release 11151:11172 transaction 7731784 out, still active
<6>[002194.681060,2] binder: undelivered transaction 7731944
<6>[002195.770478,1] lowmemorykiller: Killing 're-initialized>' (11177), adj 529, to free 26236kB on behalf of 're-initialized>' (11186) because cache 80372kB is below limit 86016kB for oom_score_adj 176. Free memory is 3968kB above reserved
<6>[002195.828751,0] lowmemorykiller: Killing 'enmod.trebuchet' (11110), adj 0, to free 44916kB on behalf of 'kswapd0' (81) because cache 46796kB is below limit 49152kB for oom_score_adj 0. Free memory is 3280kB above reserved
<6>[002195.996821,2] lowmemorykiller: Killing 'd.process.acore' (11206), adj 529, to free 28148kB on behalf of 'kswapd0' (81) because cache 46216kB is below limit 49152kB for oom_score_adj 0. Free memory is 3744kB above reserved
<6>[002195.006525,3] binder: undelivered transaction 7732259
<6>[002195.111464,2] lowmemorykiller: Killing 'ndroid.settings' (11186), adj 529, to free 34436kB on behalf of 'd.process.acore' (11236) because cache 76684kB is below limit 86016kB for oom_score_adj 176. Free memory is 3412kB above reserved
<6>[002195.189925,1] lowmemorykiller: Killing 're-initialized>' (11236), adj 529, to free 27684kB on behalf of 're-initialized>' (11250) because cache 75264kB is below limit 86016kB for oom_score_adj 176. Free memory is 3748kB above reserved
<6>[002195.582460,1] lowmemorykiller: Killing 'enmod.lockclock' (11250), adj 647, to free 30716kB on behalf of 'kswapd0' (81) because cache 42068kB is below limit 49152kB for oom_score_adj 0. Free memory is 3936kB above reserved
<6>[002195.680729,3] lowmemorykiller: Killing 'd.process.acore' (11265), adj 529, to free 33160kB on behalf of 'kswapd0' (81) because cache 41232kB is below limit 49152kB for oom_score_adj 0. Free memory is 3568kB above reserved
<6>[002196.766706,0] lowmemorykiller: Killing 'enmod.trebuchet' (11217), adj 0, to free 43560kB on behalf of 'kswapd0' (81) because cache 40444kB is below limit 49152kB for oom_score_adj 0. Free memory is 3448kB above reserved
<6>[002201.374233,0] : Report pwrkey press event
<6>[002201.518183,0] : Report pwrkey release event
<6>[002202.657554,1] mdss_dsi_panel_off+: ctrl=eaec8010 ndx=0
<6>[002202.657986,0] synaptics_dsx_sensor_state: state change ACTIVE -> SUSPEND
<6>[002203.897141,0] mdss_dsi_panel_off-: 
<6>[002203.897156,0] mdss_dsi_off+: ctrl=eaec8010 ndx=0
<6>[002203.936876,0] mdss_dsi_off-: 

이 시점에서 아직 실패하지 않은 것은 이제 실패합니다. 사용자 공간이 종료되고 다시 시작됩니다

<6>[002203.037750,0] : Core dump to |/system/bin/coredump Binder_4 19920 1417523206 pipe failed
<6>[002203.281135,0] binder: undelivered transaction 7733258
<6>[002203.281314,0] binder: undelivered transaction 7733265
<6>[002203.281444,0] binder: undelivered transaction 7733271
<6>[002203.281597,0] binder: undelivered transaction 7733366
<6>[002203.281681,0] binder: undelivered transaction 7733378
<6>[002203.282023,0] binder: undelivered transaction 7733372
<6>[002203.282108,0] binder: undelivered transaction 7733373
<6>[002203.282258,0] binder: undelivered transaction 7733374
<6>[002203.282340,0] binder: undelivered transaction 7733375
<6>[002203.282488,0] binder: undelivered transaction 7733376
<6>[002204.093925,0] : Report pwrkey press event
<6>[002204.306457,0] : Report pwrkey release event
<6>[002207.955756,0] : Core dump to |/system/bin/coredump system_server 1142 1417523210 pipe failed
<6>[002207.052286,0] mdss_dsi_on+: ctrl=eaec8010 ndx=0
<6>[002207.075781,1] alarm_release: clear alarm, pending 0
<6>[002207.075791,1] alarm_release: clear alarm, pending 0
<6>[002207.075799,1] alarm_release: clear alarm, pending 0
<6>[002207.089757,0] mdss_dsi_on-: 
<6>[002207.089772,0] mdss_dsi_panel_on+: ctrl=eaec8010 ndx=0
<6>[002207.104989,1] init: computing context for service '/system/bin/bootanimation'
<5>[002207.106139,1] init: starting 'bootanim'
<6>[002207.136155,1] : Core dump to |/system/bin/coredump Binder_7 1387 1417523210 pipe failed
<6>[002207.147220,1] binder: undelivered death notification, 60d6b368
<6>[002207.147232,1] binder: undelivered death notification, 60d6b780
<6>[002207.147241,1] binder: undelivered death notification, 5cdca680
<6>[002207.147249,1] binder: undelivered death notification, 5bf36ec0
<6>[002207.147261,1] binder: undelivered death notification, 5cdcb4a0
<6>[002207.147272,1] binder: undelivered death notification, 5cdd1880
<6>[002207.147281,1] binder: undelivered death notification, 5cdcb460
<6>[002207.185322,1] init: waitpid returned pid 385, status = 00000009
<5>[002207.185340,1] init: process 'debuggerd', pid 385 exited
<5>[002207.185355,1] init: process 'debuggerd' killing any children in process group
<6>[002207.185940,1] init: computing context for service '/system/bin/debuggerd'
<6>[002207.185963,2] : Core dump to |/system/bin/coredump Binder_2 1400 1417523210 pipe failed
<5>[002207.186211,1] init: starting 'debuggerd'
<6>[002207.186764,2] : Core dump to |/system/bin/coredump Binder_4 1413 1417523210 pipe failed
<6>[002207.194796,2] binder: undelivered death notification, 5cdcf108
<6>[002207.194807,2] binder: undelivered death notification, 60b5faa8
<6>[002207.194816,2] binder: undelivered death notification, 60b5fec0
<6>[002207.194824,2] binder: undelivered death notification, 5cdca680
<6>[002207.194832,2] binder: undelivered death notification, 601f2830
<6>[002207.194840,2] binder: undelivered death notification, 60def500
<6>[002207.194849,2] binder: undelivered death notification, 5cdd1488
<6>[002207.194857,2] binder: undelivered death notification, 60def1f0
<6>[002207.200117,2] binder: undelivered death notification, 5cdce0d8
<6>[002207.200129,2] binder: undelivered death notification, 60c6b0c8
<6>[002207.200137,2] binder: undelivered death notification, 60c6b4e0
<6>[002207.200146,2] binder: undelivered death notification, 5cdca670
<6>[002207.200154,2] binder: undelivered death notification, 5cdd1940
<6>[002207.200163,2] binder: undelivered death notification, 5d84f710
<6>[002207.200171,2] binder: undelivered death notification, 5cdd1430
<6>[002207.200179,2] binder: undelivered death notification, 5cdd1f90
<6>[002207.276277,1] init: waitpid returned pid 388, status = 00000009
<5>[002207.276294,1] init: process 'zygote', pid 388 exited
<5>[002207.285604,0] init: process 'zygote' killing any children in process group
<5>[002207.285863,0] init: service 'media' is being killed
<5>[002207.287087,0] init: service 'netd' is being killed
<6>[002207.287441,0] init: computing context for service '/system/bin/app_process'
<5>[002207.287638,0] init: starting 'zygote'
<6>[002207.289856,0] init: waitpid returned pid 383, status = 00000009
<5>[002207.289874,0] init: process 'netd', pid 383 exited
<5>[002207.289888,0] init: process 'netd' killing any children in process group
<6>[002207.290323,0] init: computing context for service '/system/bin/netd'
<5>[002207.290529,0] init: starting 'netd'
<6>[002207.297300,0] init: waitpid returned pid 391, status = 00000009
<5>[002207.297316,0] init: process 'media', pid 391 exited
<5>[002207.297331,0] init: process 'media' killing any children in process group
<6>[002207.297373,2] init: Created socket '/dev/socket/mdns' with mode '660', user '0', group '1000'
<6>[002207.297610,0] init: computing context for service '/system/bin/mediaserver'
<6>[002207.297768,2] init: Created socket '/dev/socket/dnsproxyd' with mode '660', user '0', group '3003'
<5>[002207.297778,0] init: starting 'media'
<6>[002207.298187,2] init: Created socket '/dev/socket/netd' with mode '660', user '0', group '1000'
<6>[002207.298939,2] init: Created socket '/dev/socket/zygote' with mode '660', user '0', group '1000'
<6>[002207.315254,0] : Report pwrkey press event
<6>[002207.386012,0] synaptics_dsx_sensor_state: state change SUSPEND -> ACTIVE
<6>[002207.386197,0] : mdss_dsi_panel_on-. Pwr_mode(0x0A) = 0x9c
<6>[002207.446161,0] init: waitpid returned pid 1373, status = 00000009
<6>[002208.865272,0] : Report pwrkey release event
<7>[002210.508025,0] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
<6>[002213.793599,0] : Report pwrkey press event
<6>[002213.970096,0] : Report pwrkey release event
<6>[002213.447327,0] : Core dump to |/system/bin/coredump zygote 11352 1417523217 pipe failed
<6>[002213.508195,0] init: waitpid returned pid 11352, status = 0000000b
<5>[002213.508377,0] init: process 'zygote', pid 11352 exited
<5>[002213.508475,0] init: process 'zygote' killing any children in process group
<5>[002213.508759,0] init: service 'media' is being killed
<5>[002213.512948,0] init: service 'netd' is being killed
<6>[002213.513683,0] init: waitpid returned pid 11355, status = 00000009
<5>[002213.513805,0] init: process 'media', pid 11355 exited
<5>[002213.513981,0] init: process 'media' killing any children in process group
<6>[002213.514315,0] init: computing context for service '/system/bin/app_process'
<5>[002213.514729,0] init: starting 'zygote'
<6>[002213.515310,0] init: computing context for service '/system/bin/mediaserver'
<6>[002213.516306,1] init: Created socket '/dev/socket/zygote' with mode '660', user '0', group '1000'
<5>[002213.516644,0] init: starting 'media'
<6>[002213.520811,0] init: waitpid returned pid 11353, status = 00000009
<5>[002213.520998,0] init: process 'netd', pid 11353 exited
<5>[002213.521240,0] init: process 'netd' killing any children in process group
<6>[002213.521753,0] init: computing context for service '/system/bin/netd'
<5>[002213.522248,0] init: starting 'netd'
<6>[002213.526276,1] init: Created socket '/dev/socket/mdns' with mode '660', user '0', group '1000'
<6>[002213.526874,1] init: Created socket '/dev/socket/dnsproxyd' with mode '660', user '0', group '3003'
<6>[002213.527403,1] init: Created socket '/dev/socket/netd' with mode '660', user '0', group '1000'

그러나 swap활동적이었고 무슨 일이 일어나고 있는지 명확하지 않습니다. free사용자 공간이 복원 된 직후의 출력 :

             total         used         free       shared      buffers
Mem:        903272       879320        23952            0         1844
-/+ buffers:             877476        25796
Swap:       687060        19024       668036

무슨 일인지 모르겠다. 이국적인 추측 FWIW : (1) 스왑이 가능하고 활성화되어 있지만 어떤 이유로 메모리가 부족한 경우 어떤 이유로 든 사용되지 않았습니다. (2) 일부 프로세스는 갑자기 약 1GB의 RAM이 필요하고 포 그라운드에서 실행되어야한다고 결정하여 중요하지만 우선 순위가 낮은 시스템 프로세스를 교체하려는 시도가 실패했습니다. (3) 예측할 수없는 극적인 메모리 누수.

여기서 어디로 가야할지 모르겠습니다.

휴대 전화는 CyanogenMod 11 M6을 기반으로하고 1GB 램을 가지고 있으며 응용 프로그램은 꽤 표준입니다.

이 문제를 어떻게 해결할 수 있습니까?

업데이트 관련 코어 덤프를 찾을 수 있음을 깨달았습니다. /data/tombstones메모리 부족 버스트가 발생한 100 초 동안 6 개의 코어 덤프가 모두 포함되어 있습니다 dmesg. 코어 덤프 파일은 대부분 SIGSEGV (세그멘테이션 결함)를 표시하지만 소유 프로세스는 각 덤프마다 다릅니다.

2014-12-02 12:27:33 name: Thread-20  (lbesec.loader) signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr b3baed71
2014-12-02 12:27:11 name: zygote  (zygote) signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 5dd8ce64
2014-12-02 12:27:05 name: zygote  (zygote) signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 5dd86e64
2014-12-02 12:26:57 name: zygote  (zygote) signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 5dc03e64
2014-12-02 12:26:47 name: system_server  (system_server) signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr deadf00c
2014-12-02 12:26:46 name: Binder_4  (com.android.systemui) signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr cfc08b9a

같은 폴더에있는 과거 코어 덤프는 다양했습니다. 예를 들어 스레드 소유자는 "갤러리"를 포함했습니다. 일부는 SIGSEGV 대신 SIGABRT를 보여 주었다. 이 외에도 개발자 역량이 필요할 것입니다. 원인을 추적하려면 어떻게해야합니까?

안드로이드에는 기본적으로 제공되는 램 관리 시스템이 있습니다. 램 관리 응용 프로그램은 뱀 오일 이상으로 유명합니다. 최악의 경우 실제로 실행중인 프로세스에 유해합니다. 이 메모리 킬러 앱이 문제의 근본 원인이라고 생각합니다. 해결책. 기기를 다시 플래시하여 메모리 부족 앱을 삭제하고 작동 방식 확인

문제가 갑자기 발생하거나 CM11에서 발생하는지 아닌지는 잘 모르겠습니다. 첫 번째 권장 사항은 팩토리 재설정 및 기본 앱 선택으로 실행하는 것입니다. 플레이 스토어에서 더 잘 설치하고 문제가 발생하는지 확인하십시오. 그렇다면 CM이 LMK에 대해 매우 공격적인 값을 실행하고 있습니다 (새로운 것으로 업데이트되거나 수정 된 값으로 롬을 구축 할 수 있음). 그것이 귀하의 앱 중 하나가 안드로이드에 있다고 말하는 것이 아니라면 램과 안드로이드가 필요합니다 (달빅 또는 hwui 힙이 잘못 설정되었거나 커널 lmk 값으로 인해 발생할 수 있음).

이 앱을 구입했을 때 휴대 전화에 없었지만 나중에 설치 한 경우이 앱이 악성 프로그램 일 수 있습니다. 나는 버라이존으로 곧장가는 것을 제안하고 그들에게 무슨 일이 일어나고 있는지 알아 내라고 제안한다. 비용이 많이 들지만, 고칠 수 있다면 그만한 가치가 있습니다.