Сервер-файлопрмойка. Debian6 Linux version 2.6.32-5-amd64 (Debian 2.6.32-48squeeze4).
lspci -tv 
-[0000:00]-+-00.0  Advanced Micro Devices [AMD] RS880 Host Bridge
           +-01.0-[01]----05.0  ATI Technologies Inc RS880 [Radeon HD 4200]
           +-0a.0-[02]----00.0  Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller
           +-11.0  ATI Technologies Inc SB700/SB800 SATA Controller [AHCI mode]
           +-12.0  ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
           +-12.1  ATI Technologies Inc SB700 USB OHCI1 Controller
           +-12.2  ATI Technologies Inc SB700/SB800 USB EHCI Controller
           +-13.0  ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
           +-13.1  ATI Technologies Inc SB700 USB OHCI1 Controller
           +-13.2  ATI Technologies Inc SB700/SB800 USB EHCI Controller
           +-14.0  ATI Technologies Inc SBx00 SMBus Controller
           +-14.1  ATI Technologies Inc SB700/SB800 IDE Controller
           +-14.3  ATI Technologies Inc SB700/SB800 LPC host controller
           +-14.4-[03]--+-05.0  D-Link System Inc DGE-528T Gigabit Ethernet Adapter
           |            \-06.0  Atheros Communications Inc. Atheros AR5001X+ Wireless Network Adapter
           +-14.5  ATI Technologies Inc SB700/SB800 USB OHCI2 Controller
           +-18.0  Advanced Micro Devices [AMD] Family 10h Processor HyperTransport Configuration
           +-18.1  Advanced Micro Devices [AMD] Family 10h Processor Address Map
           +-18.2  Advanced Micro Devices [AMD] Family 10h Processor DRAM Controller
           +-18.3  Advanced Micro Devices [AMD] Family 10h Processor Miscellaneous Control
           \-18.4  Advanced Micro Devices [AMD] Family 10h Processor Link Control
Работает нормально, но в лог начали сыпаться непонятные (для меня) сообщения. Не обновлялся, ничего не трогал.
Jan  7 13:18:02 debian kernel: [  338.952449] events/1: page allocation failure. order:0, mode:0x4020
Jan  7 13:18:02 debian kernel: [  338.952462] Pid: 10, comm: events/1 Not tainted 2.6.32-5-amd64 #1
Jan  7 13:18:02 debian kernel: [  338.952467] Call Trace:
Jan  7 13:18:02 debian kernel: [  338.952472]  <IRQ>  [<ffffffff810baba3>] ? __alloc_pages_nodemask+0x59b/0x5fc
Jan  7 13:18:02 debian kernel: [  338.952499]  [<ffffffff81246b2b>] ? sock_queue_rcv_skb+0xf6/0x103
Jan  7 13:18:02 debian kernel: [  338.952510]  [<ffffffff810e718a>] ? new_slab+0x5b/0x1ca
Jan  7 13:18:02 debian kernel: [  338.952519]  [<ffffffff810e74e9>] ? __slab_alloc+0x1f0/0x39b
Jan  7 13:18:02 debian kernel: [  338.952527]  [<ffffffff8124ac21>] ? __netdev_alloc_skb+0x29/0x44
Jan  7 13:18:02 debian kernel: [  338.952535]  [<ffffffff810e7f1b>] ? __kmalloc_node_track_caller+0xbb/0x11b
Jan  7 13:18:02 debian kernel: [  338.952542]  [<ffffffff8124ac21>] ? __netdev_alloc_skb+0x29/0x44
Jan  7 13:18:02 debian kernel: [  338.952549]  [<ffffffff81249c4e>] ? __alloc_skb+0x69/0x15a
Jan  7 13:18:02 debian kernel: [  338.952557]  [<ffffffff8124ac21>] ? __netdev_alloc_skb+0x29/0x44
Jan  7 13:18:02 debian kernel: [  338.952587]  [<ffffffffa00c2af4>] ? rtl8169_poll+0x214/0x4c2 [r8169]
Jan  7 13:18:02 debian kernel: [  338.952595]  [<ffffffff8103fa2a>] ? __wake_up+0x30/0x44
Jan  7 13:18:02 debian kernel: [  338.952605]  [<ffffffff8125104f>] ? net_rx_action+0xae/0x1c9
Jan  7 13:18:02 debian kernel: [  338.952615]  [<ffffffff81053dfb>] ? __do_softirq+0xdd/0x1a6
Jan  7 13:18:02 debian kernel: [  338.952623]  [<ffffffff81011cac>] ? call_softirq+0x1c/0x30
Jan  7 13:18:02 debian kernel: [  338.952630]  [<ffffffff8101322b>] ? do_softirq+0x3f/0x7c
Jan  7 13:18:02 debian kernel: [  338.952638]  [<ffffffff81053c6b>] ? irq_exit+0x36/0x76
Jan  7 13:18:02 debian kernel: [  338.952644]  [<ffffffff81012922>] ? do_IRQ+0xa0/0xb6
Jan  7 13:18:02 debian kernel: [  338.952652]  [<ffffffff810114d3>] ? ret_from_intr+0x0/0x11
Jan  7 13:18:02 debian kernel: [  338.952656]  <EOI>  [<ffffffff812fdcbd>] ? _spin_unlock_irqrestore+0x8/0xe
Jan  7 13:18:02 debian kernel: [  338.952674]  [<ffffffffa02185d1>] ? ppp_asynctty_receive+0x3f8/0x468 [ppp_async]
Jan  7 13:18:02 debian kernel: [  338.952684]  [<ffffffff81200b7c>] ? flush_to_ldisc+0x12a/0x1de
Jan  7 13:18:02 debian kernel: [  338.952693]  [<ffffffff81061c9b>] ? worker_thread+0x188/0x21d
Jan  7 13:18:02 debian kernel: [  338.952701]  [<ffffffff81200a52>] ? flush_to_ldisc+0x0/0x1de
Jan  7 13:18:02 debian kernel: [  338.952709]  [<ffffffff810652d6>] ? autoremove_wake_function+0x0/0x2e
Jan  7 13:18:02 debian kernel: [  338.952717]  [<ffffffff81061b13>] ? worker_thread+0x0/0x21d
Jan  7 13:18:02 debian kernel: [  338.952723]  [<ffffffff81065009>] ? kthread+0x79/0x81
Jan  7 13:18:02 debian kernel: [  338.952730]  [<ffffffff81011baa>] ? child_rip+0xa/0x20
Jan  7 13:18:02 debian kernel: [  338.952737]  [<ffffffff81064f90>] ? kthread+0x0/0x81
Jan  7 13:18:02 debian kernel: [  338.952744]  [<ffffffff81011ba0>] ? child_rip+0x0/0x20
Jan  7 13:18:02 debian kernel: [  338.952748] Mem-Info:
Jan  7 13:18:02 debian kernel: [  338.952751] Node 0 DMA per-cpu:
Jan  7 13:18:02 debian kernel: [  338.952757] CPU    0: hi:    0, btch:   1 usd:   0
Jan  7 13:18:02 debian kernel: [  338.952762] CPU    1: hi:    0, btch:   1 usd:   0
Jan  7 13:18:02 debian kernel: [  338.952766] Node 0 DMA32 per-cpu:
Jan  7 13:18:02 debian kernel: [  338.952773] CPU    0: hi:  186, btch:  31 usd:  49
Jan  7 13:18:02 debian kernel: [  338.952778] CPU    1: hi:  186, btch:  31 usd: 107
Jan  7 13:18:02 debian kernel: [  338.952789] active_anon:18755 inactive_anon:18845 isolated_anon:0
Jan  7 13:18:02 debian kernel: [  338.952792]  active_file:61747 inactive_file:66621 isolated_file:67
Jan  7 13:18:02 debian kernel: [  338.952795]  unevictable:0 dirty:1490 writeback:12712 unstable:0
Jan  7 13:18:02 debian kernel: [  338.952798]  free:1041 slab_reclaimable:4899 slab_unreclaimable:11111
Jan  7 13:18:02 debian kernel: [  338.952801]  mapped:1873 shmem:44 pagetables:947 bounce:0
Jan  7 13:18:02 debian kernel: [  338.952806] Node 0 DMA free:2980kB min:68kB low:84kB high:100kB active_anon:28kB inactive_anon:72kB active_file:472kB inactive_file:12072kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15300kB mlocked:0kB dirty:0kB writeback:0kB mapped:16kB shmem:0kB slab_reclaimable:28kB slab_unreclaimable:212kB kernel_stack:0kB pagetables:8kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Jan  7 13:18:02 debian kernel: [  338.952831] lowmem_reserve[]: 0 741 741 741
Jan  7 13:18:02 debian kernel: [  338.952839] Node 0 DMA32 free:1184kB min:3444kB low:4304kB high:5164kB active_anon:74992kB inactive_anon:75308kB active_file:246516kB inactive_file:254412kB unevictable:0kB isolated(anon):0kB isolated(file):268kB present:759076kB mlocked:0kB dirty:5960kB writeback:50848kB mapped:7476kB shmem:176kB slab_reclaimable:19568kB slab_unreclaimable:44232kB kernel_stack:1168kB pagetables:3780kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:64 all_unreclaimable? no
Jan  7 13:18:02 debian kernel: [  338.952864] lowmem_reserve[]: 0 0 0 0
Jan  7 13:18:02 debian kernel: [  338.952871] Node 0 DMA: 3*4kB 7*8kB 12*16kB 7*32kB 7*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 2980kB
Jan  7 13:18:02 debian kernel: [  338.952891] Node 0 DMA32: 112*4kB 32*8kB 24*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1184kB
Jan  7 13:18:02 debian kernel: [  338.952910] 128470 total pagecache pages
Jan  7 13:18:02 debian kernel: [  338.952914] 12 pages in swap cache
Jan  7 13:18:02 debian kernel: [  338.952918] Swap cache stats: add 134, delete 122, find 0/0
Jan  7 13:18:02 debian kernel: [  338.952922] Free swap  = 2208360kB
Jan  7 13:18:02 debian kernel: [  338.952926] Total swap = 2208896kB
Jan  7 13:18:02 debian kernel: [  338.956344] 196480 pages RAM
Jan  7 13:18:02 debian kernel: [  338.956344] 5033 pages reserved
Jan  7 13:18:02 debian kernel: [  338.956344] 81144 pages shared
Jan  7 13:18:02 debian kernel: [  338.956344] 116046 pages non-shared
Jan  7 13:18:02 debian kernel: [  338.956344] SLUB: Unable to allocate memory on node 0 (gfp=0x20)
Jan  7 13:18:02 debian kernel: [  338.956344]   cache: kmalloc-4096, object size: 4096, buffer size: 4096, default order: 3, min order: 0
Jan  7 13:18:02 debian kernel: [  338.956344]   node 0: slabs: 2440, objs: 6976, free: 0
Jan  7 13:18:02 debian kernel: [  338.960291] events/1: page allocation failure. order:0, mode:0x4020
Jan  7 13:18:02 debian kernel: [  338.960298] Pid: 10, comm: events/1 Not tainted 2.6.32-5-amd64 #1
Jan  7 13:18:02 debian kernel: [  338.960302] Call Trace:
Jan  7 13:18:02 debian kernel: [  338.960306]  <IRQ>  [<ffffffff810baba3>] ? __alloc_pages_nodemask+0x59b/0x5fc
Jan  7 13:18:02 debian kernel: [  338.960327]  [<ffffffff810e718a>] ? new_slab+0x5b/0x1ca
Jan  7 13:18:02 debian kernel: [  338.960339]  [<ffffffff810e74e9>] ? __slab_alloc+0x1f0/0x39b
Jan  7 13:18:02 debian kernel: [  338.960351]  [<ffffffff8124ac21>] ? __netdev_alloc_skb+0x29/0x44
Jan  7 13:18:02 debian kernel: [  338.960363]  [<ffffffff810e7f1b>] ? __kmalloc_node_track_caller+0xbb/0x11b
Jan  7 13:18:02 debian kernel: [  338.960375]  [<ffffffff8124ac21>] ? __netdev_alloc_skb+0x29/0x44
Jan  7 13:18:02 debian kernel: [  338.960386]  [<ffffffff81249c4e>] ? __alloc_skb+0x69/0x15a
Jan  7 13:18:02 debian kernel: [  338.960396]  [<ffffffff8124ac21>] ? __netdev_alloc_skb+0x29/0x44
Jan  7 13:18:02 debian kernel: [  338.960422]  [<ffffffffa00c2af4>] ? rtl8169_poll+0x214/0x4c2 [r8169]
Jan  7 13:18:02 debian kernel: [  338.960434]  [<ffffffff8103fa2a>] ? __wake_up+0x30/0x44
Jan  7 13:18:02 debian kernel: [  338.960447]  [<ffffffff8125104f>] ? net_rx_action+0xae/0x1c9
Jan  7 13:18:02 debian kernel: [  338.960460]  [<ffffffff81053dfb>] ? __do_softirq+0xdd/0x1a6
Jan  7 13:18:02 debian kernel: [  338.960471]  [<ffffffff81011cac>] ? call_softirq+0x1c/0x30
Jan  7 13:18:02 debian kernel: [  338.960482]  [<ffffffff8101322b>] ? do_softirq+0x3f/0x7c
Jan  7 13:18:02 debian kernel: [  338.960494]  [<ffffffff81053c6b>] ? irq_exit+0x36/0x76
Jan  7 13:18:02 debian kernel: [  338.960504]  [<ffffffff81012922>] ? do_IRQ+0xa0/0xb6
Jan  7 13:18:02 debian kernel: [  338.960515]  [<ffffffff810114d3>] ? ret_from_intr+0x0/0x11
Jan  7 13:18:02 debian kernel: [  338.960521]  <EOI>  [<ffffffff812fdcbd>] ? _spin_unlock_irqrestore+0x8/0xe
Jan  7 13:18:02 debian kernel: [  338.960545]  [<ffffffffa02185d1>] ? ppp_asynctty_receive+0x3f8/0x468 [ppp_async]
Jan  7 13:18:02 debian kernel: [  338.960560]  [<ffffffff81200b7c>] ? flush_to_ldisc+0x12a/0x1de
Jan  7 13:18:02 debian kernel: [  338.960572]  [<ffffffff81061c9b>] ? worker_thread+0x188/0x21d
Jan  7 13:18:02 debian kernel: [  338.960584]  [<ffffffff81200a52>] ? flush_to_ldisc+0x0/0x1de
Jan  7 13:18:02 debian kernel: [  338.960595]  [<ffffffff810652d6>] ? autoremove_wake_function+0x0/0x2e
Jan  7 13:18:02 debian kernel: [  338.960607]  [<ffffffff81061b13>] ? worker_thread+0x0/0x21d
Jan  7 13:18:02 debian kernel: [  338.960617]  [<ffffffff81065009>] ? kthread+0x79/0x81
Jan  7 13:18:02 debian kernel: [  338.960628]  [<ffffffff81011baa>] ? child_rip+0xa/0x20
Jan  7 13:18:02 debian kernel: [  338.960638]  [<ffffffff81064f90>] ? kthread+0x0/0x81
Jan  7 13:18:02 debian kernel: [  338.960648]  [<ffffffff81011ba0>] ? child_rip+0x0/0x20
Jan  7 13:18:02 debian kernel: [  338.960654] Mem-Info:
Jan  7 13:18:02 debian kernel: [  338.960659] Node 0 DMA per-cpu:
Jan  7 13:18:02 debian kernel: [  338.960668] CPU    0: hi:    0, btch:   1 usd:   0
Jan  7 13:18:02 debian kernel: [  338.960675] CPU    1: hi:    0, btch:   1 usd:   0
Jan  7 13:18:02 debian kernel: [  338.960680] Node 0 DMA32 per-cpu:
Jan  7 13:18:02 debian kernel: [  338.960690] CPU    0: hi:  186, btch:  31 usd:  49
Jan  7 13:18:02 debian kernel: [  338.960696] CPU    1: hi:  186, btch:  31 usd: 107
Jan  7 13:18:02 debian kernel: [  338.960708] active_anon:18755 inactive_anon:18845 isolated_anon:0
Jan  7 13:18:02 debian kernel: [  338.960710]  active_file:61747 inactive_file:66621 isolated_file:67
Jan  7 13:18:02 debian kernel: [  338.960713]  unevictable:0 dirty:1490 writeback:12712 unstable:0
Jan  7 13:18:02 debian kernel: [  338.960716]  free:1041 slab_reclaimable:4899 slab_unreclaimable:11111
Jan  7 13:18:02 debian kernel: [  338.960719]  mapped:1873 shmem:44 pagetables:947 bounce:0
Jan  7 13:18:02 debian kernel: [  338.960727] Node 0 DMA free:2980kB min:68kB low:84kB high:100kB active_anon:28kB inactive_anon:72kB active_file:472kB inactive_file:12072kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15300kB mlocked:0kB dirty:0kB writeback:0kB mapped:16kB shmem:0kB slab_reclaimable:28kB slab_unreclaimable:212kB kernel_stack:0kB pagetables:8kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Jan  7 13:18:02 debian kernel: [  338.960755] lowmem_reserve[]: 0 741 741 741
Jan  7 13:18:02 debian kernel: [  338.960775] Node 0 DMA32 free:1184kB min:3444kB low:4304kB high:5164kB active_anon:74992kB inactive_anon:75308kB active_file:246516kB inactive_file:254412kB unevictable:0kB isolated(anon):0kB isolated(file):268kB present:759076kB mlocked:0kB dirty:5960kB writeback:50848kB mapped:7476kB shmem:176kB slab_reclaimable:19568kB slab_unreclaimable:44232kB kernel_stack:1168kB pagetables:3780kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:64 all_unreclaimable? no
Jan  7 13:18:02 debian kernel: [  338.960805] lowmem_reserve[]: 0 0 0 0
Jan  7 13:18:02 debian kernel: [  338.960825] Node 0 DMA: 3*4kB 7*8kB 12*16kB 7*32kB 7*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 2980kB
Jan  7 13:18:02 debian kernel: [  338.960872] Node 0 DMA32: 112*4kB 32*8kB 24*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1184kB
Jan  7 13:18:02 debian kernel: [  338.960919] 128470 total pagecache pages
Jan  7 13:18:02 debian kernel: [  338.960925] 12 pages in swap cache
Jan  7 13:18:02 debian kernel: [  338.960931] Swap cache stats: add 134, delete 122, find 0/0
Jan  7 13:18:02 debian kernel: [  338.960937] Free swap  = 2208360kB
Jan  7 13:18:02 debian kernel: [  338.960943] Total swap = 2208896kB
Jan  7 13:18:02 debian kernel: [  338.964272] 196480 pages RAM
Jan  7 13:18:02 debian kernel: [  338.964272] 5033 pages reserved
Jan  7 13:18:02 debian kernel: [  338.964272] 81132 pages shared
Jan  7 13:18:02 debian kernel: [  338.964272] 115998 pages non-shared
Jan  7 13:18:02 debian kernel: [  338.964272] SLUB: Unable to allocate memory on node 0 (gfp=0x20)
Jan  7 13:18:02 debian kernel: [  338.964272]   cache: kmalloc-4096, object size: 4096, buffer size: 4096, default order: 3, min order: 0
Jan  7 13:18:02 debian kernel: [  338.964272]   node 0: slabs: 2440, objs: 6976, free: 0Прошу помочь. Что за беда?