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"kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0..."
Сообщение от EDSKA (ok) on 06-Мрт-05, 13:59  (MSK)
Проблема такая: Есть Сервер Linux Debian 3.0 2.4.29 kernel Месяц назад в kernel.log начали лезт такие ошибки: Mar  6 12:04:17 gabija kernel: __alloc_pages: 0-order ation failed (gfp=0x20/0) Mar  6 12:04:17 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 12:04:17 gabija last message repeated 2 times Mar  6 12:04:17 gabija kernel: __alloc_pages: 0-order allocation fation failed (gfp=0x20/0) Mar  6 12:04:17 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 12:04:37 gabija last message repeated 4 times Mar  6 12:04:38 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0)tion failed (gfp=0x20/0) Mar  6 12:04:38 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 12:04:38 gabija last message repeated 286 times Думал дело в железе, заменил весь Сервак !!!! Прогнав перед заменой Memtest86+ пару дней 0 ощибок !!!! Но ничего не помогло. Думал мало памятн но ее 512 МБ !!!! Нехватка памяти исклиучена. Mem:    516672K total,   512260K used,     4412K free,   139756K buffers Swap:   248968K total,        0K used,   248968K free,   127300K cached До етого стоял 2.4.25 uptime 215 days. !!!! Толко поставил 2.4.28 и покатило kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Сменил на 2.4.29 - не помогло Сменил сервак - не помогло Как найти причину ?
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1. "kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0..."
Сообщение от unk (ok) on 06-Мрт-05, 14:26  (MSK)
>Как найти причину ? Для начала echo "1" > /proc/sys/vm/vm_gfp_debug
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	2. "kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0..."
	Сообщение от EDSKA (ok) on 06-Мрт-05, 18:53  (MSK)
	>>Как найти причину ? >Для начала echo "1" > /proc/sys/vm/vm_gfp_debug Сделал Вот што получил: Mar  6 17:41:02 gabija kernel: 000020 dffea9f0 00000020 00000001 00000001 Mar  6 17:41:02 gabija kernel:        c0235a3c c0235bf4 00000000 00000020 00000000 c0129316 00000040 c012976a Mar  6 17:41:02 gabija kernel:        c012722a dffea9f8 dffea9f0 00000246 00000020 00000003 c0127421 dffea9f0 Mar  6 17:41:02 gabija kernel: Call Trace:    [__alloc_pages+629/640] [_alloc_pages+22/32] [__get_free_pages+10/64] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/224] Mar  6 17:41:02 gabija kernel:   [<e0afd49d>] [<e0afd85c>] [<e0b00a80>] [ip_rcv_finish+0/480] [<e0b00a80>] [do_page_fault+864/1240] Mar  6 17:41:02 gabija kernel:   [nf_iterate+48/128] [ip_rcv_finish+0/480] [ip_rcv_finish+0/480] [nf_hook_slow+174/320] [ip_rcv_finish+0/480] [<e0b00340>] Mar  6 17:41:02 gabija kernel:   [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [<e0b5f803>] Mar  6 17:41:02 gabija kernel:   [timer_bh+588/880] [net_rx_action+112/272] [do_softirq+90/176] [do_IRQ+157/176] [call_do_IRQ+5/13] Mar  6 17:41:02 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 17:41:02 gabija kernel: c62b7d78 c0129755 00000020 00000020 dffea9f0 00000020 00000001 00000001 Mar  6 17:41:02 gabija kernel:        c0235a3c c0235bf4 00000000 00000020 00000000 c0129316 00000000 c012976a Mar  6 17:41:02 gabija kernel:        c012722a dffea9f8 dffea9f0 00000246 00000020 00000003 c0127421 dffea9f0 Mar  6 17:41:03 gabija kernel: Call Trace:    [__alloc_pages+629/640] [_alloc_pages+22/32] [__get_free_pages+10/64] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/224] Mar  6 17:41:03 gabija kernel:   [<e0afd49d>] [<e0b0f3b6>] [<e0afd85c>] [<e0b00a80>] [ip_rcv_finish+0/480] [<e0b00a80>] Mar  6 17:41:03 gabija kernel:   [sys_sigsuspend+85/144] [nf_iterate+48/128] [ip_rcv_finish+0/480] [ip_rcv_finish+0/480] [nf_hook_slow+174/320] [ip_rcv_finish+0/480] Mar  6 17:41:03 gabija kernel:   [<e0b00340>] [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] Mar  6 17:41:03 gabija kernel:   [<e0b5f803>] [timer_bh+588/880] [net_rx_action+112/272] [do_softirq+90/176] [do_IRQ+157/176] [call_do_IRQ+5/13] Mar  6 17:41:03 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 17:41:03 gabija kernel: c62b7d78 c0129755 00000020 00000020 dffea9f0 00000020 00000001 00000001 Mar  6 17:41:03 gabija kernel:        c0235a3c c0235bf4 00000000 00000020 00000000 c0129316 00000040 c012976a Mar  6 17:41:03 gabija kernel:        c012722a dffea9f8 dffea9f0 00000246 00000020 00000003 c0127421 dffea9f0 Mar  6 17:41:03 gabija kernel: Call Trace:    [__alloc_pages+629/640] [_alloc_pages+22/32] [__get_free_pages+10/64] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/224] Mar  6 17:41:03 gabija kernel:   [<e0afd49d>] [<e0afd85c>] [<e0b00a80>] [ip_rcv_finish+0/480] [<e0b00a80>] [do_simd_coprocessor_error+57/128] Mar  6 17:41:03 gabija kernel:   [nf_iterate+48/128] [ip_rcv_finish+0/480] [ip_rcv_finish+0/480] [nf_hook_slow+174/320] [ip_rcv_finish+0/480] [<e0b00340>] Mar  6 17:41:03 gabija kernel:   [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [<e0b5f803>] Mar  6 17:41:03 gabija kernel:   [timer_bh+588/880] [net_rx_action+112/272] [do_softirq+90/176] [do_IRQ+157/176] [call_do_IRQ+5/13] Mar  6 17:41:03 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 17:41:03 gabija kernel: c62b7d78 c0129755 00000020 00000020 dffea9f0 00000020 00000001 00000001 Mar  6 17:41:03 gabija kernel:        c0235a3c c0235bf4 00000000 00000020 00000000 c0129316 00000000 c012976a Mar  6 17:41:03 gabija kernel:        c012722a dffea9f8 dffea9f0 00000246 00000020 00000003 c0127421 dffea9f0 Mar  6 17:41:03 gabija kernel: Call Trace:    [__alloc_pages+629/640] [_alloc_pages+22/32] [__get_free_pages+10/64] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/224] Mar  6 17:41:03 gabija kernel:   [<e0afd49d>] [<e0b0f15e>] [<e0afd85c>] [<e0b00a80>] [ip_rcv_finish+0/480] [<e0b00a80>] Mar  6 17:41:03 gabija kernel:   [bios32_service+24/128] [nf_iterate+48/128] [ip_rcv_finish+0/480] [ip_rcv_finish+0/480] [nf_hook_slow+174/320] [ip_rcv_finish+0/480] Mar  6 17:41:03 gabija kernel:   [<e0b00340>] [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] Mar  6 17:41:03 gabija kernel:   [<e0b5f803>] [timer_bh+588/880] [net_rx_action+112/272] [do_softirq+90/176] [do_IRQ+157/176] [call_do_IRQ+5/13] Mar  6 17:41:03 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 17:41:03 gabija kernel: c62b7d78 c0129755 00000020 00000020 dffea9f0 00000020 00000001 00000001 Mar  6 17:41:03 gabija kernel:        c0235a3c c0235bf4 00000000 00000020 00000000 c0129316 00000040 c012976a Mar  6 17:41:04 gabija kernel:        c012722a dffea9f8 dffea9f0 00000246 00000020 00000003 c0127421 dffea9f0 Mar  6 17:41:08 gabija kernel: Call Trace:    [__alloc_pages+629/640] [_alloc_pages+22/32] [__get_free_pages+10/64] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/224] Mar  6 17:41:13 gabija kernel:   [<e0afd49d>] [<e0afd85c>] [<e0b00a80>] [ip_rcv_finish+0/480] [<e0b00a80>] [pirq_amd756_set+6/80] Mar  6 17:41:13 gabija kernel:   [nf_iterate+48/128] [ip_rcv_finish+0/480] [ip_rcv_finish+0/480] [nf_hook_slow+174/320] [ip_rcv_finish+0/480] [<e0b00340>] Mar  6 17:41:13 gabija kernel:   [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [<e0b5f803>] Mar  6 17:41:13 gabija kernel:   [timer_bh+588/880] [net_rx_action+112/272] [do_softirq+90/176] [do_IRQ+157/176] [call_do_IRQ+5/13] Mar  6 17:41:13 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Mar  6 17:41:13 gabija kernel: c62b7d78 c0129755 00000020 00000020 dffea9f0 00000020 00000001 00000001 Mar  6 17:41:13 gabija kernel:        c0235a3c c0235bf4 00000000 00000020 00000000 c0129316 00000000 c012976a Mar  6 17:41:13 gabija kernel:        c012722a dffea9f8 dffea9f0 00000246 00000020 00000003 c0127421 dffea9f0 Mar  6 17:41:13 gabija kernel: Call Trace:    [__alloc_pages+629/640] [_alloc_pages+22/32] [__get_free_pages+10/64] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/224] Mar  6 17:41:15 gabija kernel:   [<e0afd49d>] [<e0afd85c>] [<e0b00a80>] [ip_rcv_finish+0/480] [<e0b00a80>] [nf_iterate+48/128] Mar  6 17:41:22 gabija kernel:   [ip_rcv_finish+0/480] [ip_rcv_finish+0/480] [nf_hook_slow+174/320] [ip_rcv_finish+0/480] [<e0b00340>] [ip_rcv+886/944] Mar  6 17:41:22 gabija kernel:   [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [<e0b5f803>] [timer_bh+588/880] Mar  6 17:41:22 gabija kernel:   [net_rx_action+112/272] [<c0[ip_rcv_finish+0/480] Mar  6 17:41:22 gabija kernel:   [nf_hook_slow+231/320] [ip_rcv+886/944] [ip_rcv_finish+0/480] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [net_rx_action+112/272] Mar  6 17:41:22 gabija kernel:   [do_softirq+90/176] [do_IRQ+157/176] [call_do_IRQ+5/13] [kupdate_one_transaction+439/512] [reiserfs_journal_kupdate+107/208] [flush_old_commits+301/320] Mar  6 17:41:22 gabija kernel:   [reiserfs_write_super+21/32] [sync_supers+225/320] [sync_old_buffers+14/96] [kupdate+293/352] [ret_from_fork+6/32] [kupdate+0/352] Mar  6 17:41:22 gabija kernel:   [arch_kernel_thread+40/64]
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	3. "kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0..."
	Сообщение от unk (ok) on 06-Мрт-05, 19:39  (MSK)
	Мне кажется, что проблема тут: >Mar  6 17:41:02 gabija kernel:   [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [<e0b5f803>] Похоже карточка/драйвер глючит на большом числе маленьких пакетов. Могу и ошибаться.
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	4. "kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0..."
	Сообщение от EDSKA (ok) on 06-Мрт-05, 19:54  (MSK)
	>Мне кажется, что проблема тут: > >>Mar  6 17:41:02 gabija kernel:   [ip_rcv+886/944] [ip_rcv_finish+0/480] [call_do_IRQ+5/13] [netif_receive_skb+267/320] [e100:ethtool_ioctl+9721/18056] [<e0b5f803>] > >Похоже карточка/драйвер глючит на большом числе маленьких пакетов. >Могу и ошибаться. Карточки 4-шт Intel 100+ PRO na i82559 Сеичас стоит e100.o + NAPI (брал с www.intel.com) eth0 получает ~ 1000-3000 pps На 2.4.28 стоял eero100.o и было так: Feb 27 18:41:31 gabija kernel:   [do_IRQ+106/168] [call_do_IRQ+5/13] [pci_conf2_read_config_byte+64/72] [printk+240/276] [<d8bd6ed9>] [show_trace+203/240] Feb 27 18:41:31 gabija kernel:   [<d8bd6ed9>] [show_stack+113/120] [dump_stack+7/12] [__alloc_pages+639/652] [_alloc_pages+22/24] [__get_free_pages+10/60] Feb 27 18:41:31 gabija kernel:   [kmem_cache_grow+154/464] [kmem_cache_alloc+193/212] [alloc_skb+173/380] [<d8bd6ed9>] [<d8bd6850>] [eepro100:__insmod_eepro100_S.text_L11504+6537/11584] Feb 27 18:41:31 gabija kernel:   [handle_IRQ_event+47/88] [do_IRQ+106/168] [call_do_IRQ+5/13] [<d8bbf5c0>] [<d8bbf82c>] [<d8bbfb1c>] Feb 27 18:41:31 gabija kernel:   [<d8bbfe35>] [<d8bc0770>] [<d8bc0e3a>] [qdisc_restart+19/208] [dev_queue_xmit+245/556] [ip_finish_output2+153/220] Feb 27 18:41:31 gabija kernel:   [ip_finish_output2+0/220] [nf_hook_slow+238/324] [ip_forward_finish+0/84] [ip_finish_output+262/272] [ip_finish_output2+0/220] [ip_forward_finish+0/84] Feb 27 18:41:31 gabija kernel:   [ip_forward_finish+78/84] [nf_hook_slow+238/324] [ip_forward+409/492] [ip_forward_finish+0/84] [ip_rcv_finish+432/484] [ip_rcv_finish+0/484] Feb 27 18:41:31 gabija kernel:   [nf_hook_slow+238/324] [ip_rcv+886/944] [ip_rcv_finish+0/484] [netif_receive_skb+257/300] [process_backlog+105/268] [net_rx_action+112/276] Feb 27 18:41:31 gabija kernel:   [do_softirq+90/164] [do_IRQ+150/168] [call_do_IRQ+5/13] [sys_truncate+24/384] [schedule+487/760] [reschedule+5/16] Feb 27 18:41:31 gabija kernel: eth0: can't fill rx buffer (force 1)! Feb 27 18:41:31 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Feb 27 18:41:31 gabija kernel: c143b998 c015bb07 00000020 00000020 c142f440 00000020 00000001 00000001 Feb 27 18:41:31 gabija kernel:        c027239c c0272554 00000000 00000020 c0270d80 c015b6c6 00000040 c015bb1e Feb 27 18:41:31 gabija kernel:        c015971a c142f448 c142f440 00000246 00000020 00000003 c0159911 c142f440 Feb 27 18:41:31 gabija kernel: Call Trace:    [__alloc_pages+639/652] [_alloc_pages+22/24] [__get_free_pages+10/60] [<c015 [eepro100:__insmod_eepro100_S.text_L11504+6836/11584] [eepro100:__insmod_eepro100_S.text_L11504+7307/11584] [eepro100:__insmod_eepro100_S.text_L11504+6507/11584] [handle_IRQ_event+47/88] [do_IRQ+106/168] Feb 27 18:41:31 gabija kernel:   [call_do_IRQ+5/13] [do_syslog+292/724] [kmsg_read+17/24] [sys_read+150/240] [system_call+51/64] Feb 27 18:41:31 gabija kernel: eth2: can't fill rx buffer (force 0)! Feb 27 18:41:31 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0) Feb 27 18:41:31 gabija kernel: d72efd50 c015bb07 00000020 00000020 c142f440 00000020 00000001 00000001 Feb 27 18:41:31 gabija kernel:        c027239c c0272554 00000000 00000020 00000000 c015b6c6 00000040 c015bb1e Feb 27 18:41:31 gabija kernel:        c015971a c142f448 c142f440 00000246 00000020 00000003 c0159911 c142f440 Feb 27 18:41:31 gabija kernel: Call Trace:    [__alloc_pages+639/652] [_alloc_pages+22/24] [__get_free_pages+10/60] [kmem_cache_grow+154/464] [kmem_cache_alloc+193/212] Feb 27 18:41:31 gabija kernel:   [alloc_skb+173/380] [sock_wmalloc+38/80] [tcp_make_synack+32/1092] [tcp_v4_send_synack+57/188] [tcp_synack_timer+221/392] [tcp_keepalive_timer+41/572] Feb 27 18:41:31 gabija kernel:   [tcp_keepalive_timer+0/572] [timer_bh+588/872] [eepro100:__insmod_eepro100_S.text_L11504+6553/11584] [bh_action+26/64] [tasklet_hi_action+74/112] [do_softirq+90/164] Feb 27 18:41:31 gabija kernel:   [do_IRQ+150/168] [call_do_IRQ+5/13] [do_syslog+292/724] [kmsg_read+17/24] [sys_read+150/240] [system_call+51/64] Feb 27 18:41:31 gabija kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0)
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	5. "kernel: __alloc_pages: 0-order allocation failed (gfp=0x20/0..."
	Сообщение от unk (ok) on 06-Мрт-05, 20:04  (MSK)
	>>Похоже карточка/драйвер глючит на большом числе маленьких пакетов. >>Могу и ошибаться. >Карточки 4-шт Intel 100+ PRO na i82559 Это подкрепляет мою увереность: Если не ошибаюсь у линуксячей vm 0-order это маленькие кусочки памяти <256 байт. Что делать - не знаю. Попробуйте поиграть параметрами драйвера (размер/количество пакетов)... PS: Если проблема была моей, то поставил бы фрю.
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