Впервые за многие годы увидел как умерла практически пустая тачка (без свопа, но это, похоже, в данном случае неважно). Всего-то нужно было iscsi настроить. Вот мне теперь интересно что за память исчерпалась. Могут ли местные гуру сделать post-mortem анализ?
top - 16:33:42 up 2:17, 1 user, load average: 7.17, 6.35, 4.41
Tasks: 160 total, 2 running, 158 sleeping, 0 stopped, 0 zombie
%Cpu0 : 9.6 us, 20.1 sy, 0.0 ni, 57.4 id, 11.6 wa, 0.0 hi, 1.2 si, 0.0 st
%Cpu1 : 23.5 us, 76.5 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu2 : 3.0 us, 11.3 sy, 0.0 ni, 81.8 id, 4.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu3 : 2.3 us, 6.6 sy, 0.0 ni, 89.0 id, 2.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 2071532 total, 1957896 used, 113636 free, 32 buffers
KiB Swap: 0 total, 0 used, 0 free. 1727248 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2493 root 20 0 7580 3424 2400 R 99.8 0.2 10:43.24 syslog-ng
5816 root 20 0 11704 4720 2828 D 48.8 0.2 0:50.53 mc
[skip]
=====================
From dmesg:
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 70
CPU 1: hi: 186, btch: 31 usd: 145
CPU 2: hi: 186, btch: 31 usd: 117
CPU 3: hi: 186, btch: 31 usd: 165
HighMem per-cpu:
CPU 0: hi: 186, btch: 31 usd: 31
CPU 1: hi: 186, btch: 31 usd: 12
CPU 2: hi: 186, btch: 31 usd: 52
CPU 3: hi: 186, btch: 31 usd: 15
active_anon:6363 inactive_anon:51 isolated_anon:0
active_file:145592 inactive_file:169478 isolated_file:0
unevictable:758 dirty:1429 writeback:14550 unstable:0
free:161317 slab_reclaimable:26465 slab_unreclaimable:3724
mapped:3522 shmem:370 pagetables:242 bounce:0
free_cma:39559
Normal free:164216kB min:3512kB low:4388kB high:5268kB active_anon:0kB inactive_anon:0kB active_file:310856kB
lowmem_reserve[]: 0 10215 10215
HighMem free:481052kB min:512kB low:1996kB high:3484kB active_anon:25452kB inactive_anon:204kB active_file:27
lowmem_reserve[]: 0 0 0
Normal: 1042*4kB (UEMC) 396*8kB (UEMC) 120*16kB (C) 120*32kB (C) 120*64kB (C) 120*128kB (C) 100*256kB (C) 84*
HighMem: 1*4kB (U) 1*8kB (U) 1*16kB (U) 2*32kB (UM) 1*64kB (U) 1*128kB (U) 2*256kB (UM) 200*512kB (UM) 161*10
315887 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1048064 pages of RAM
324434 free pages
12298 reserved pages
28396 slab pages
558866 pages shared
0 pages swap cached
smsc95xx 1-2:1.0 eth0: kevent 2 may have been dropped
swapper/0: page allocation failure: order:3, mode:0x106020
[<c0014e2c>] (unwind_backtrace+0x0/0xf4) from [<c00928c4>] (warn_alloc_failed+0xd4/0x114)
[<c00928c4>] (warn_alloc_failed+0xd4/0x114) from [<c0095910>] (__alloc_pages_nodemask+0x720/0x980)
[<c0095910>] (__alloc_pages_nodemask+0x720/0x980) from [<c0095b80>] (__get_free_pages+0x10/0x24)
[<c0095b80>] (__get_free_pages+0x10/0x24) from [<c03ead64>] (__kmalloc_reserve+0x64/0x70)
[<c03ead64>] (__kmalloc_reserve+0x64/0x70) from [<c03eadec>] (__alloc_skb+0x7c/0x144)
[<c03eadec>] (__alloc_skb+0x7c/0x144) from [<c03eb418>] (__netdev_alloc_skb+0xb8/0xe8)
[<c03eb418>] (__netdev_alloc_skb+0xb8/0xe8) from [<bf058f40>] (rx_submit+0x2c/0x204 [usbnet])
[<bf058f40>] (rx_submit+0x2c/0x204 [usbnet]) from [<bf059154>] (rx_alloc_submit+0x3c/0x98 [usbnet])
[<bf059154>] (rx_alloc_submit+0x3c/0x98 [usbnet]) from [<bf0593a4>] (usbnet_bh+0x1f4/0x268 [usbnet])
[<bf0593a4>] (usbnet_bh+0x1f4/0x268 [usbnet]) from [<c002b69c>] (tasklet_action+0x78/0x110)
[<c002b69c>] (tasklet_action+0x78/0x110) from [<c002b86c>] (__do_softirq+0xf0/0x1a8)
[<c002b86c>] (__do_softirq+0xf0/0x1a8) from [<c002bc10>] (irq_exit+0x58/0x68)
[<c002bc10>] (irq_exit+0x58/0x68) from [<c000efe0>] (handle_IRQ+0x44/0x90)
[<c000efe0>] (handle_IRQ+0x44/0x90) from [<c0008554>] (gic_handle_irq+0x38/0x68)
[<c0008554>] (gic_handle_irq+0x38/0x68) from [<c000dcc0>] (__irq_svc+0x40/0x70)
Exception stack(0xc063ff10 to 0xc063ff58)
ff00: c063ff58 00001dbf 504cbebc 000006ed
ff20: 504b40bd 000006ed c16ec3f0 00000000 c06691c0 c0663c60 00000000 00000000
ff40: 00000018 c063ff58 c0059988 c038cb24 60000153 ffffffff
[<c000dcc0>] (__irq_svc+0x40/0x70) from [<c038cb24>] (cpuidle_wrap_enter+0x48/0x94)
[<c038cb24>] (cpuidle_wrap_enter+0x48/0x94) from [<c038c8c0>] (cpuidle_enter_state+0x18/0x58)
[<c038c8c0>] (cpuidle_enter_state+0x18/0x58) from [<c038c998>] (cpuidle_idle_call+0x98/0xf8)
[<c038c998>] (cpuidle_idle_call+0x98/0xf8) from [<c000f3b0>] (cpu_idle+0x9c/0xec)
[<c000f3b0>] (cpu_idle+0x9c/0xec) from [<c0614b34>] (start_kernel+0x3b8/0x3c4)
cast 
tailgunner
