On Thu, Oct 20, 2016 at 6:29 AM, Jack <jack@rybn.org> wrote:

Using sources of Pd-0.47-1 seems to solve this issue.
++

Jack

Le 20/10/2016 à 11:19, Jack a écrit :
> Hello,
>
> I made a simple patch to control an Enttec DMXUSB Pro, causing memory
> leak after a few hours (around 4-5 hours) of operation.
>
> The patch is attached.
> Configuration :
> RaspberryPi 2
> Raspbian GNU/Linux 7 (wheezy)
> Pd-0.46.6
>
> Someone to help me to solve this issue ?
> ++
>
> Jack
>
>
>
> Here the log from syslog (I can use gdb if needed ?) :
>
> Oct 20 02:28:08 raspberrypi kernel: [20680.496233] pd invoked
> oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
> Oct 20 02:28:08 raspberrypi kernel: [20680.496266] CPU: 2 PID: 2251
> Comm: pd Not tainted 3.18.11-v7+ #781
> Oct 20 02:28:08 raspberrypi kernel: [20680.496319] [<800172bc>]
> (unwind_backtrace) from [<80012f7c>] (show_stack+0x20/0x24)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496348] [<80012f7c>]
> (show_stack) from [<80520970>] (dump_stack+0x98/0xd8)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496445] [<80520970>]
> (dump_stack) from [<8051e3bc>] (dump_header.isra.12+0x80/0x1a8)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496489] [<8051e3bc>]
> (dump_header.isra.12) from [<800ef2a8>] (oom_kill_process+0x340/0x3b8)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496527] [<800ef2a8>]
> (oom_kill_process) from [<800ef808>] (out_of_memory+0x300/0x34c)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496553] [<800ef808>]
> (out_of_memory) from [<800f3c64>] (__alloc_pages_nodemask+0x930/0x970)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496578] [<800f3c64>]
> (__alloc_pages_nodemask) from [<800ede38>] (filemap_fault+0x220/0x4a8)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496604] [<800ede38>]
> (filemap_fault) from [<80113104>] (__do_fault+0x44/0x98)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496628] [<80113104>]
> (__do_fault) from [<80116068>] (do_read_fault.isra.91+0x1c4/0x274)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496652] [<80116068>]
> (do_read_fault.isra.91) from [<8011683c>] (handle_mm_fault+0x3b8/0xa88)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496679] [<8011683c>]
> (handle_mm_fault) from [<80528240>] (do_page_fault+0x2e4/0x458)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496706] [<80528240>]
> (do_page_fault) from [<800084d4>] (do_PrefetchAbort+0x44/0xa8)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496731] [<800084d4>]
> (do_PrefetchAbort) from [<80526864>] (ret_from_exception+0x0/0x1c)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496745] Exception
> stack(0xb865ffb0 to 0xb865fff8)
> Oct 20 02:28:08 raspberrypi kernel: [20680.496763] ffa0:
> 765c5000 00001000 00000003 76fe0dc8
> Oct 20 02:28:08 raspberrypi kernel: [20680.496785] ffc0: 76a00010
> 00000438 76a00040 765c4f78 00000088 000c6000 00000448 76500000
> Oct 20 02:28:08 raspberrypi kernel: [20680.496804] ffe0: 000c5000
> 7ea259f0 76d524f4 76daa0c0 20000010 ffffffff
> Oct 20 02:28:08 raspberrypi kernel: [20680.506406] Mem-info:
> Oct 20 02:28:08 raspberrypi kernel: [20680.506426] Normal per-cpu:
> Oct 20 02:28:08 raspberrypi kernel: [20680.506441] CPU 0: hi: 186,
> btch: 31 usd: 160
> Oct 20 02:28:08 raspberrypi kernel: [20680.506455] CPU 1: hi: 186,
> btch: 31 usd: 166
> Oct 20 02:28:08 raspberrypi kernel: [20680.506468] CPU 2: hi: 186,
> btch: 31 usd: 168
> Oct 20 02:28:08 raspberrypi kernel: [20680.506481] CPU 3: hi: 186,
> btch: 31 usd: 153
> Oct 20 02:28:08 raspberrypi kernel: [20680.506510] active_anon:114781
> inactive_anon:114792 isolated_anon:0
> Oct 20 02:28:08 raspberrypi kernel: [20680.506510] active_file:15
> inactive_file:14 isolated_file:0
> Oct 20 02:28:08 raspberrypi kernel: [20680.506510] unevictable:0
> dirty:0 writeback:0 unstable:0
> Oct 20 02:28:08 raspberrypi kernel: [20680.506510] free:2208
> slab_reclaimable:929 slab_unreclaimable:1352
> Oct 20 02:28:08 raspberrypi kernel: [20680.506510] mapped:3 shmem:2
> pagetables:623 bounce:0
> Oct 20 02:28:08 raspberrypi kernel: [20680.506510] free_cma:18
> Oct 20 02:28:08 raspberrypi kernel: [20680.506574] Normal free:8832kB
> min:8192kB low:10240kB high:12288kB active_anon:459124kB
> inactive_anon:459168kB active_file:60kB inactive_file:56kB
> unevictable:0kB isolated(anon):0kB isolated(file):0kB present:966656kB
> managed:949408kB mlocked:0kB dirty:0kB writeback:0kB mapped:12kB
> shmem:8kB slab_reclaimable:3716kB slab_unreclaimable:5408kB
> kernel_stack:680kB pagetables:2492kB unstable:0kB bounce:0kB
> free_cma:72kB writeback_tmp:0kB pages_scanned:324 all_unreclaimable? no
> Oct 20 02:28:08 raspberrypi kernel: [20680.506589] lowmem_reserve[]: 0 0
> Oct 20 02:28:08 raspberrypi kernel: [20680.506611] Normal: 178*4kB
> (UEMC) 4*8kB (E) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
> 0*2048kB 2*4096kB (R) = 8936kB
> Oct 20 02:28:08 raspberrypi kernel: [20680.506692] 105 total pagecache pages
> Oct 20 02:28:08 raspberrypi kernel: [20680.506706] 42 pages in swap cache
> Oct 20 02:28:08 raspberrypi kernel: [20680.506719] Swap cache stats: add
> 25782, delete 25740, find 90/164
> Oct 20 02:28:08 raspberrypi kernel: [20680.506729] Free swap = 0kB
> Oct 20 02:28:08 raspberrypi kernel: [20680.506738] Total swap = 102396kB
> Oct 20 02:28:08 raspberrypi kernel: [20680.524406] 241664 pages of RAM
> Oct 20 02:28:08 raspberrypi kernel: [20680.524434] 3030 free pages
> Oct 20 02:28:08 raspberrypi kernel: [20680.524445] 4312 reserved pages
> Oct 20 02:28:08 raspberrypi kernel: [20680.524455] 1403 slab pages
> Oct 20 02:28:08 raspberrypi kernel: [20680.524465] 262185 pages shared
> Oct 20 02:28:08 raspberrypi kernel: [20680.524475] 44 pages swap cached
> Oct 20 02:28:08 raspberrypi kernel: [20680.524487] [ pid ] uid tgid
> total_vm rss nr_ptes swapents oom_score_adj name
> Oct 20 02:28:08 raspberrypi kernel: [20680.524532] [ 175] 0 175
> 723 0 5 134 -1000 udevd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524553] [ 318] 0 318
> 722 0 5 136 -1000 udevd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524574] [ 1516] 0 1516
> 439 5 4 19 -1000 ifplugd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524595] [ 1546] 0 1546
> 439 5 4 17 -1000 ifplugd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524615] [ 1908] 65534 1908
> 506 4 5 27 0 thd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524635] [ 1922] 0 1922
> 722 0 5 135 -1000 udevd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524656] [ 1949] 0 1949
> 6995 1 7 83 0 rsyslogd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524677] [ 2071] 104 2071
> 1401 18 6 95 0 ntpd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524697] [ 2075] 0 2075
> 950 10 5 32 0 cron
> Oct 20 02:28:08 raspberrypi kernel: [20680.524717] [ 2098] 102 2098
> 796 0 5 57 0 dbus-daemon
> Oct 20 02:28:08 raspberrypi kernel: [20680.524738] [ 2135] 0 2135
> 1556 0 6 107 -1000 sshd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524759] [ 2167] 103 2167
> 846 0 5 64 0 avahi-daemon
> Oct 20 02:28:08 raspberrypi kernel: [20680.524779] [ 2168] 103 2168
> 846 0 5 56 0 avahi-daemon
> Oct 20 02:28:08 raspberrypi kernel: [20680.524800] [ 2239] 0 2239
> 526 0 5 47 0 dhcpcd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524820] [ 2251] 1000 2251
> 255309 229419 501 24495 0 pd
> Oct 20 02:28:08 raspberrypi kernel: [20680.524841] [ 2252] 0 2252
> 425 4 5 19 0 startpar
> Oct 20 02:28:08 raspberrypi kernel: [20680.524861] [ 2253] 0 2253
> 938 0 5 33 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.524882] [ 2254] 0 2254
> 938 0 6 33 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.524902] [ 2255] 0 2255
> 938 0 5 33 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.524922] [ 2256] 0 2256
> 938 0 5 33 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.524942] [ 2257] 0 2257
> 938 0 5 33 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.524962] [ 2258] 0 2258
> 938 0 5 33 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.524983] [ 2259] 0 2259
> 518 0 5 32 0 getty
> Oct 20 02:28:08 raspberrypi kernel: [20680.525005] [ 2261] 1000 2261
> 428 15 4 6 0 pd-watchdog
> Oct 20 02:28:08 raspberrypi kernel: [20680.525022] Out of memory: Kill
> process 2251 (pd) score 967 or sacrifice child
> Oct 20 02:28:08 raspberrypi kernel: [20680.525041] Killed process 2251
> (pd) total-vm:1021236kB, anon-rss:917676kB, file-rss:0kB
>
>
>
>

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