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Opened 3 years ago

Closed 3 years ago

#18836 closed defect (fixed)

System crash at odhcp6

Reported by: fl.service@… Owned by: developers
Priority: low Milestone:
Component: packages Version: Trunk
Keywords: ohdcp6 Cc:

Description

the log:

root@OpenWrt:/# [ 52.220000] odhcp6c invoked oom-killer: gfp_mask=0x3000d0, order=1, oom_score_adj=0
[ 52.240000] CPU: 0 PID: 1050 Comm: odhcp6c Not tainted 3.14.30 #2
[ 52.250000] Stack : 40808400 8027a5b8 00000000 00000004 00000006 00000001 00000000 00000000

00000000 00000000 8037e41e 00000035 003000d0 8f99a768 802c6e34 8031828b
0000041a 00000000 80373b04 8f99a768 80317ba8 80317cfc 00000000 8026a798
50808c00 801c5f34 00000000 00000004 802ca5f0 8e0b3ca4 8e0b3ca4 802c6e34
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
...

[ 52.320000] Call Trace:
[ 52.330000] [<8020a83c>] show_stack+0x48/0x70
[ 52.340000] [<80269d48>] dump_stack+0x64/0x84
[ 52.350000] [<80269bc4>] dump_header.isra.13+0x78/0x198
[ 52.360000] [<80196a30>] oom_kill_process+0xb0/0x408
[ 52.370000] [<80197a78>] out_of_memory+0x2f0/0x328
[ 52.380000] [<8002a5d4>] alloc_pages_nodemask+0x668/0x6cc
[ 52.390000] [<800a26e4>] copy_process.part.74+0xf0/0x1228
[ 52.400000] [<800c7b30>] do_fork+0xc0/0x2d0
[ 52.410000] [<80007a28>] handle_sys+0x128/0x14c
[ 52.420000]
[ 52.420000] Mem-Info:
[ 52.430000] Normal per-cpu:
[ 52.430000] CPU 0: hi: 90, btch: 15 usd: 0
[ 52.440000] CPU 1: hi: 90, btch: 15 usd: 0
[ 52.450000] CPU 2: hi: 90, btch: 15 usd: 0
[ 52.460000] CPU 3: hi: 90, btch: 15 usd: 0
[ 52.470000] active_anon:47408 inactive_anon:5 isolated_anon:0
[ 52.470000] active_file:81 inactive_file:103 isolated_file:0
[ 52.470000] unevictable:0 dirty:0 writeback:0 unstable:0
[ 52.470000] free:461 slab_reclaimable:493 slab_unreclaimable:5209
[ 52.470000] mapped:0 shmem:24 pagetables:4720 bounce:0
[ 52.470000] free_cma:0
[ 52.540000] Normal free:1844kB min:2024kB low:2528kB high:3036kB active_anon:189632kB inactive_anon:20kB active_file:296kB inactive_file:48o
[ 52.620000] lowmem_reserve[]: 0 0
[ 52.620000] Normal: 99*4kB (UEMR) 14*8kB (EMR) 1*16kB (R) 2*32kB (MR) 1*64kB (R) 0*128kB 1*256kB (R) 0*512kB 1*1024kB (R) 0*2048kB 0*4096kBB
[ 52.650000] 248 total pagecache pages
[ 52.660000] 0 pages in swap cache
[ 52.670000] Swap cache stats: add 0, delete 0, find 0/0
[ 52.680000] Free swap = 0kB
[ 52.690000] Total swap = 0kB
[ 52.690000] 65536 pages RAM
[ 52.700000] 0 pages HighMem/MovableOnly
[ 52.710000] 1462 pages reserved
[ 52.710000] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
[ 52.730000] [ 416] 0 416 255 28 4 0 0 ubusd
[ 52.750000] [ 417] 0 417 374 15 4 0 0 ash
[ 52.760000] [ 860] 0 860 266 22 4 0 0 logd
[ 52.780000] [ 869] 0 869 393 31 4 0 0 rpcd
[ 52.790000] [ 903] 0 903 408 52 5 0 0 netifd
[ 52.810000] [ 925] 0 925 301 22 4 0 0 odhcpd
[ 52.830000] [ 947] 0 947 396 42 5 0 0 S50dropbear
[ 52.840000] [ 949] 0 949 294 18 4 0 0 dropbearkey
[ 52.860000] [ 968] 0 968 372 10 3 0 0 telnetd
[ 52.880000] [ 988] 0 988 387 23 4 0 0 uhttpd
[ 52.890000] [ 993] 0 993 384 15 4 0 0 S95done
[ 52.910000] [ 994] 0 994 245 10 4 0 0 mount_root
[ 52.930000] [ 1050] 0 1050 206 19 4 0 0 odhcp6c
[ 52.950000] [ 1051] 0 1051 373 16 5 0 0 udhcpc
[ 52.960000] [ 1615] 0 1615 400 46 5 0 0 dhcpv6.script
[ 52.980000] [ 1638] 0 1638 400 45 5 0 0 dhcpv6.script
[ 53.000000] [ 1640] 0 1640 400 46 3 0 0 dhcpv6.script
[ 53.020000] [ 1644] 0 1644 400 46 4 0 0 dhcpv6.script
[ 53.030000] [ 1654] 0 1654 400 46 4 0 0 dhcpv6.script
[ 53.050000] [ 1658] 0 1658 400 45 4 0 0 dhcpv6.script

Attachments (0)

Change History (6)

comment:1 follow-up: Changed 3 years ago by bittorf@…

which platform/model? how much ram? is it reliable?
an 'out-of-memory'/oom must not be odhcp6c's fault.

comment:2 in reply to: ↑ 1 Changed 3 years ago by anonymous

Replying to bittorf@…:

which platform/model? how much ram? is it reliable?
an 'out-of-memory'/oom must not be odhcp6c's fault.

MT7621 , 256M ram .

root@OpenWrt:/# free

total used free shared buffers

Mem: 256296 23000 233296 0 2100
-/+ buffers: 20900 235396
Swap: 0 0 0

not happen if not insert the ethernet cable.

comment:3 follow-ups: Changed 3 years ago by nbd

does this still happen in current trunk?

comment:4 in reply to: ↑ 3 Changed 3 years ago by anonymous

it fixed . it is network envirnoment problem

comment:5 in reply to: ↑ 3 Changed 3 years ago by anonymous

it fixed . it is network envirnoment problem

comment:6 Changed 3 years ago by nbd

  • Resolution set to fixed
  • Status changed from new to closed

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