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Page Allocation Failure

dvd.collector
in unRAID Server 4.4 [No new topics]

Featured Replies

I've been seeing a number of parity checks being started on my unRaid system recently, for seemingly no reason.

 

This is all I could find in the syslog that seems to suggest an error.. is this the cause of the parity checks?  If so, does this point to something failing?  None of the disks show any errors, so I'm guessing this relates to memory?

 

Jul  6 07:20:00 Tower kernel: smbd: page allocation failure. order:3, mode:0x4020
Jul  6 07:20:00 Tower kernel: Pid: 7312, comm: smbd Not tainted 2.6.27.7-unRAID #3
Jul  6 07:20:00 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul  6 07:20:00 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul  6 07:20:00 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul  6 07:20:00 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul  6 07:20:00 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul  6 07:20:00 Tower kernel:  [<f883800e>] e1000_clean_rx_irq+0x30b/0x392 [e1000]
Jul  6 07:20:00 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul  6 07:20:00 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul  6 07:20:00 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul  6 07:20:00 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul  6 07:20:00 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul  6 07:20:00 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul  6 07:20:00 Tower kernel:  [<c02b1bc3>] __skb_clone+0xb7/0xc0
Jul  6 07:20:00 Tower kernel:  [<c02da526>] tcp_transmit_skb+0x5f/0x56f
Jul  6 07:20:00 Tower kernel:  [<c03185f7>] schedule+0x581/0x5d1
Jul  6 07:20:00 Tower kernel:  [<c02dbffe>] __tcp_push_pending_frames+0x62f/0x6d5
Jul  6 07:20:00 Tower kernel:  [<c02d1630>] sk_stream_alloc_skb+0x24/0xaf
Jul  6 07:20:00 Tower kernel:  [<c02d1630>] sk_stream_alloc_skb+0x24/0xaf
Jul  6 07:20:00 Tower kernel:  [<c02d2cf5>] tcp_sendmsg+0x7fe/0x8e4
Jul  6 07:20:00 Tower kernel:  [<c02adc5d>] sock_aio_write+0xb2/0xbb
Jul  6 07:20:00 Tower kernel:  [<c01591a6>] do_sync_write+0xbe/0x105
Jul  6 07:20:00 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul  6 07:20:00 Tower kernel:  [<c015989a>] vfs_write+0x94/0xf6
Jul  6 07:20:00 Tower kernel:  [<c0159cb0>] sys_write+0x3c/0x63
Jul  6 07:20:00 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul  6 07:20:00 Tower kernel:  =======================
Jul  6 07:20:00 Tower kernel: Mem-Info:
Jul  6 07:20:00 Tower kernel: DMA per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: Normal per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 155
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 146
Jul  6 07:20:00 Tower kernel: HighMem per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 151
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  34
Jul  6 07:20:00 Tower kernel: Active:33082 inactive:388558 dirty:823 writeback:0 unstable:0
Jul  6 07:20:00 Tower kernel:  free:6801 slab:76897 mapped:1545 pagetables:152 bounce:0
Jul  6 07:20:00 Tower kernel: DMA free:3528kB min:64kB low:80kB high:96kB active:84kB inactive:52kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul  6 07:20:00 Tower kernel: Normal free:20644kB min:3744kB low:4680kB high:5616kB active:56280kB inactive:465516kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul  6 07:20:00 Tower kernel: HighMem free:3032kB min:512kB low:1736kB high:2960kB active:75964kB inactive:1088664kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul  6 07:20:00 Tower kernel: DMA: 30*4kB 78*8kB 62*16kB 10*32kB 5*64kB 1*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 3528kB
Jul  6 07:20:00 Tower kernel: Normal: 4225*4kB 278*8kB 87*16kB 0*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20644kB
Jul  6 07:20:00 Tower kernel: HighMem: 2*4kB 4*8kB 16*16kB 68*32kB 7*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3048kB
Jul  6 07:20:00 Tower kernel: 418546 total pagecache pages
Jul  6 07:20:00 Tower kernel: 0 pages in swap cache
Jul  6 07:20:00 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul  6 07:20:00 Tower kernel: Free swap  = 0kB
Jul  6 07:20:00 Tower kernel: Total swap = 0kB
Jul  6 07:20:00 Tower kernel: 524064 pages RAM
Jul  6 07:20:00 Tower kernel: 294704 pages HighMem
Jul  6 07:20:00 Tower kernel: 5307 pages reserved
Jul  6 07:20:00 Tower kernel: 213863 pages shared
Jul  6 07:20:00 Tower kernel: 301204 pages non-shared
Jul  6 07:20:00 Tower kernel: smbd: page allocation failure. order:3, mode:0x4020
Jul  6 07:20:00 Tower kernel: Pid: 7312, comm: smbd Not tainted 2.6.27.7-unRAID #3
Jul  6 07:20:00 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul  6 07:20:00 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul  6 07:20:00 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul  6 07:20:00 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul  6 07:20:00 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul  6 07:20:00 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul  6 07:20:00 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul  6 07:20:00 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul  6 07:20:00 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul  6 07:20:00 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul  6 07:20:00 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul  6 07:20:00 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul  6 07:20:00 Tower kernel:  [<c02b1bc3>] __skb_clone+0xb7/0xc0
Jul  6 07:20:00 Tower kernel:  [<c02da526>] tcp_transmit_skb+0x5f/0x56f
Jul  6 07:20:00 Tower kernel:  [<c03185f7>] schedule+0x581/0x5d1
Jul  6 07:20:00 Tower kernel:  [<c02dbffe>] __tcp_push_pending_frames+0x62f/0x6d5
Jul  6 07:20:00 Tower kernel:  [<c02d1630>] sk_stream_alloc_skb+0x24/0xaf
Jul  6 07:20:00 Tower kernel:  [<c02d1630>] sk_stream_alloc_skb+0x24/0xaf
Jul  6 07:20:00 Tower kernel:  [<c02d2cf5>] tcp_sendmsg+0x7fe/0x8e4
Jul  6 07:20:00 Tower kernel:  [<c02adc5d>] sock_aio_write+0xb2/0xbb
Jul  6 07:20:00 Tower kernel:  [<c01591a6>] do_sync_write+0xbe/0x105
Jul  6 07:20:00 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul  6 07:20:00 Tower kernel:  [<c015989a>] vfs_write+0x94/0xf6
Jul  6 07:20:00 Tower kernel:  [<c0159cb0>] sys_write+0x3c/0x63
Jul  6 07:20:00 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul  6 07:20:00 Tower kernel:  =======================
Jul  6 07:20:00 Tower kernel: Mem-Info:
Jul  6 07:20:00 Tower kernel: DMA per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: Normal per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 155
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 146
Jul  6 07:20:00 Tower kernel: HighMem per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 151
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  33
Jul  6 07:20:00 Tower kernel: Active:33082 inactive:388558 dirty:823 writeback:0 unstable:0
Jul  6 07:20:00 Tower kernel:  free:6801 slab:76897 mapped:1545 pagetables:152 bounce:0
Jul  6 07:20:00 Tower kernel: DMA free:3528kB min:64kB low:80kB high:96kB active:84kB inactive:52kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul  6 07:20:00 Tower kernel: Normal free:20644kB min:3744kB low:4680kB high:5616kB active:56280kB inactive:465516kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul  6 07:20:00 Tower kernel: HighMem free:3032kB min:512kB low:1736kB high:2960kB active:75964kB inactive:1088664kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul  6 07:20:00 Tower kernel: DMA: 30*4kB 78*8kB 62*16kB 10*32kB 5*64kB 1*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 3528kB
Jul  6 07:20:00 Tower kernel: Normal: 4225*4kB 278*8kB 87*16kB 0*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20644kB
Jul  6 07:20:00 Tower kernel: HighMem: 2*4kB 4*8kB 16*16kB 68*32kB 7*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3048kB
Jul  6 07:20:00 Tower kernel: 418546 total pagecache pages
Jul  6 07:20:00 Tower kernel: 0 pages in swap cache
Jul  6 07:20:00 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul  6 07:20:00 Tower kernel: Free swap  = 0kB
Jul  6 07:20:00 Tower kernel: Total swap = 0kB
Jul  6 07:20:00 Tower kernel: 524064 pages RAM
Jul  6 07:20:00 Tower kernel: 294704 pages HighMem
Jul  6 07:20:00 Tower kernel: 5307 pages reserved
Jul  6 07:20:00 Tower kernel: 213864 pages shared
Jul  6 07:20:00 Tower kernel: 301204 pages non-shared
Jul  6 07:20:00 Tower kernel: smbd: page allocation failure. order:3, mode:0x4020
Jul  6 07:20:00 Tower kernel: Pid: 7312, comm: smbd Not tainted 2.6.27.7-unRAID #3
Jul  6 07:20:00 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul  6 07:20:00 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul  6 07:20:00 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul  6 07:20:00 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul  6 07:20:00 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul  6 07:20:00 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul  6 07:20:00 Tower kernel:  [<c013d8d6>] mempool_free+0x63/0x67
Jul  6 07:20:00 Tower kernel:  [<c0156be9>] kmem_cache_free+0x5b/0x64
Jul  6 07:20:00 Tower kernel:  [<c0273b5e>] __scsi_put_command+0x46/0x51
Jul  6 07:20:00 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul  6 07:20:00 Tower kernel:  [<c0201c42>] blk_run_queue+0x18/0x27
Jul  6 07:20:00 Tower kernel:  [<c0277f90>] scsi_io_completion+0x173/0x336
Jul  6 07:20:00 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul  6 07:20:00 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul  6 07:20:00 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul  6 07:20:00 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul  6 07:20:00 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul  6 07:20:00 Tower kernel:  [<c02b1bc3>] __skb_clone+0xb7/0xc0
Jul  6 07:20:00 Tower kernel:  [<c02da526>] tcp_transmit_skb+0x5f/0x56f
Jul  6 07:20:00 Tower kernel:  [<c03185f7>] schedule+0x581/0x5d1
Jul  6 07:20:00 Tower kernel:  [<c02dbffe>] __tcp_push_pending_frames+0x62f/0x6d5
Jul  6 07:20:00 Tower kernel:  [<c02d1630>] sk_stream_alloc_skb+0x24/0xaf
Jul  6 07:20:00 Tower kernel:  [<c02d1630>] sk_stream_alloc_skb+0x24/0xaf
Jul  6 07:20:00 Tower kernel:  [<c02d2cf5>] tcp_sendmsg+0x7fe/0x8e4
Jul  6 07:20:00 Tower kernel:  [<c02adc5d>] sock_aio_write+0xb2/0xbb
Jul  6 07:20:00 Tower kernel:  [<c01591a6>] do_sync_write+0xbe/0x105
Jul  6 07:20:00 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul  6 07:20:00 Tower kernel:  [<c015989a>] vfs_write+0x94/0xf6
Jul  6 07:20:00 Tower kernel:  [<c0159cb0>] sys_write+0x3c/0x63
Jul  6 07:20:00 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul  6 07:20:00 Tower kernel:  =======================
Jul  6 07:20:00 Tower kernel: Mem-Info:
Jul  6 07:20:00 Tower kernel: DMA per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: Normal per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 155
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 172
Jul  6 07:20:00 Tower kernel: HighMem per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 151
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  32
Jul  6 07:20:00 Tower kernel: Active:33062 inactive:388327 dirty:823 writeback:0 unstable:0
Jul  6 07:20:00 Tower kernel:  free:6947 slab:76897 mapped:1545 pagetables:152 bounce:0
Jul  6 07:20:00 Tower kernel: DMA free:3528kB min:64kB low:80kB high:96kB active:84kB inactive:52kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul  6 07:20:00 Tower kernel: Normal free:21364kB min:3744kB low:4680kB high:5616kB active:56200kB inactive:464592kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul  6 07:20:00 Tower kernel: HighMem free:3032kB min:512kB low:1736kB high:2960kB active:75964kB inactive:1088664kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul  6 07:20:00 Tower kernel: DMA: 30*4kB 78*8kB 62*16kB 10*32kB 5*64kB 1*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 3528kB
Jul  6 07:20:00 Tower kernel: Normal: 4240*4kB 295*8kB 99*16kB 12*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 21416kB
Jul  6 07:20:00 Tower kernel: HighMem: 2*4kB 4*8kB 16*16kB 68*32kB 7*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3048kB
Jul  6 07:20:00 Tower kernel: 418271 total pagecache pages
Jul  6 07:20:00 Tower kernel: 0 pages in swap cache
Jul  6 07:20:00 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul  6 07:20:00 Tower kernel: Free swap  = 0kB
Jul  6 07:20:00 Tower kernel: Total swap = 0kB
Jul  6 07:20:00 Tower kernel: 524064 pages RAM
Jul  6 07:20:00 Tower kernel: 294704 pages HighMem
Jul  6 07:20:00 Tower kernel: 5307 pages reserved
Jul  6 07:20:00 Tower kernel: 213649 pages shared
Jul  6 07:20:00 Tower kernel: 301056 pages non-shared
Jul  6 07:20:00 Tower kernel: unraidd: page allocation failure. order:3, mode:0x4020
Jul  6 07:20:00 Tower kernel: Pid: 1409, comm: unraidd Not tainted 2.6.27.7-unRAID #3
Jul  6 07:20:00 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul  6 07:20:00 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul  6 07:20:00 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul  6 07:20:00 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul  6 07:20:00 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul  6 07:20:00 Tower kernel:  [<f883800e>] e1000_clean_rx_irq+0x30b/0x392 [e1000]
Jul  6 07:20:00 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul  6 07:20:00 Tower kernel:  [<c0176836>] bio_put+0x23/0x24
Jul  6 07:20:00 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul  6 07:20:00 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul  6 07:20:00 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul  6 07:20:00 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul  6 07:20:00 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul  6 07:20:00 Tower kernel:  [<c013007b>] sync_cmos_clock+0x6f/0xa9
Jul  6 07:20:00 Tower kernel:  [<f88c45f0>] xor_p5_mmx_5+0x90/0x141 [md_mod]
Jul  6 07:20:00 Tower kernel:  [<f88c5110>] xor_block+0x74/0x7d [md_mod]
Jul  6 07:20:00 Tower kernel:  [<f88c717c>] compute_parity+0x237/0x2bb [md_mod]
Jul  6 07:20:00 Tower kernel:  [<f88c7d2c>] handle_stripe+0xa4a/0xcbc [md_mod]
Jul  6 07:20:00 Tower kernel:  [<f88c842e>] unraidd+0x98/0xb4 [md_mod]
Jul  6 07:20:00 Tower kernel:  [<f88c8396>] unraidd+0x0/0xb4 [md_mod]
Jul  6 07:20:00 Tower kernel:  [<c012b4c4>] kthread+0x38/0x60
Jul  6 07:20:00 Tower kernel:  [<c012b48c>] kthread+0x0/0x60
Jul  6 07:20:00 Tower kernel:  [<c01037e3>] kernel_thread_helper+0x7/0x10
Jul  6 07:20:00 Tower kernel:  =======================
Jul  6 07:20:00 Tower kernel: Mem-Info:
Jul  6 07:20:00 Tower kernel: DMA per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul  6 07:20:00 Tower kernel: Normal per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 154
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 169
Jul  6 07:20:00 Tower kernel: HighMem per-cpu:
Jul  6 07:20:00 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 151
Jul  6 07:20:00 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  30
Jul  6 07:20:00 Tower kernel: Active:33075 inactive:387909 dirty:823 writeback:0 unstable:0
Jul  6 07:20:00 Tower kernel:  free:7149 slab:76897 mapped:1545 pagetables:152 bounce:0
Jul  6 07:20:00 Tower kernel: DMA free:3528kB min:64kB low:80kB high:96kB active:140kB inactive:0kB present:15804kB pages_scanned:13 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul  6 07:20:00 Tower kernel: Normal free:22172kB min:3744kB low:4680kB high:5616kB active:56196kB inactive:462972kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul  6 07:20:00 Tower kernel: HighMem free:3032kB min:512kB low:1736kB high:2960kB active:75964kB inactive:1088664kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul  6 07:20:00 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul  6 07:20:00 Tower kernel: DMA: 30*4kB 78*8kB 62*16kB 10*32kB 5*64kB 1*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 3528kB
Jul  6 07:20:00 Tower kernel: Normal: 4278*4kB 333*8kB 123*16kB 8*32kB 1*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 22192kB
Jul  6 07:20:00 Tower kernel: HighMem: 2*4kB 4*8kB 16*16kB 68*32kB 7*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3048kB
Jul  6 07:20:00 Tower kernel: 417846 total pagecache pages
Jul  6 07:20:00 Tower kernel: 0 pages in swap cache
Jul  6 07:20:00 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul  6 07:20:00 Tower kernel: Free swap  = 0kB
Jul  6 07:20:00 Tower kernel: Total swap = 0kB
Jul  6 07:20:00 Tower kernel: 524064 pages RAM
Jul  6 07:20:00 Tower kernel: 294704 pages HighMem
Jul  6 07:20:00 Tower kernel: 5307 pages reserved
Jul  6 07:20:00 Tower kernel: 213386 pages shared
Jul  6 07:20:00 Tower kernel: 301054 pages non-shared

What version of unRAID are you running?

Have you executed a memtest?

  • Author

I'm running 4.4.2 and have just run a memtest which showed no errors.

If you don't mind posting your syslog, perhaps someone else may spot something in it.

 

Try running a long memtest, at least all night, perhaps there is something flaky that only infrequently and randomly fails.

 

If memory still tests fine, then upgrade to v4.5-beta6.  Not that that has occurred before with v4.4.2, at least as far as I can recall, but a different version of the kernel and drivers may make a difference.

  • 4 weeks later...
  • Author

After posting these messages, I could not get the issue to occur again.  The parity checks stopped happening and all has been well.

 

Until today.

 

Now I'm seeing these errors again:

 

Jul 30 10:46:31 Tower kernel: shfs: page allocation failure. order:3, mode:0x4020
Jul 30 10:46:31 Tower kernel: Pid: 3346, comm: shfs Not tainted 2.6.27.7-unRAID #3
Jul 30 10:46:31 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul 30 10:46:31 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul 30 10:46:31 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul 30 10:46:31 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul 30 10:46:31 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul 30 10:46:31 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul 30 10:46:31 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul 30 10:46:31 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul 30 10:46:31 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul 30 10:46:31 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul 30 10:46:31 Tower kernel:  =======================
Jul 30 10:46:31 Tower kernel: Mem-Info:
Jul 30 10:46:31 Tower kernel: DMA per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: Normal per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 162
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  39
Jul 30 10:46:31 Tower kernel: HighMem per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 150
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 165
Jul 30 10:46:31 Tower kernel: Active:37062 inactive:287840 dirty:0 writeback:0 unstable:0
Jul 30 10:46:31 Tower kernel:  free:67908 slab:113174 mapped:1769 pagetables:146 bounce:0
Jul 30 10:46:31 Tower kernel: DMA free:3544kB min:64kB low:80kB high:96kB active:32kB inactive:0kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul 30 10:46:31 Tower kernel: Normal free:263552kB min:3744kB low:4680kB high:5616kB active:65828kB inactive:71212kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul 30 10:46:31 Tower kernel: HighMem free:4536kB min:512kB low:1736kB high:2960kB active:82388kB inactive:1080148kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul 30 10:46:31 Tower kernel: DMA: 10*4kB 18*8kB 48*16kB 1*32kB 2*64kB 3*128kB 2*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3544kB
Jul 30 10:46:31 Tower kernel: Normal: 36218*4kB 9465*8kB 2675*16kB 3*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 263616kB
Jul 30 10:46:31 Tower kernel: HighMem: 242*4kB 106*8kB 46*16kB 14*32kB 10*64kB 3*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 4536kB
Jul 30 10:46:31 Tower kernel: 319987 total pagecache pages
Jul 30 10:46:31 Tower kernel: 0 pages in swap cache
Jul 30 10:46:31 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul 30 10:46:31 Tower kernel: Free swap  = 0kB
Jul 30 10:46:31 Tower kernel: Total swap = 0kB
Jul 30 10:46:31 Tower kernel: 524064 pages RAM
Jul 30 10:46:31 Tower kernel: 294704 pages HighMem
Jul 30 10:46:31 Tower kernel: 5307 pages reserved
Jul 30 10:46:31 Tower kernel: 161787 pages shared
Jul 30 10:46:31 Tower kernel: 292249 pages non-shared
Jul 30 10:46:31 Tower kernel: klogd: page allocation failure. order:3, mode:0x4020
Jul 30 10:46:31 Tower kernel: Pid: 1227, comm: klogd Not tainted 2.6.27.7-unRAID #3
Jul 30 10:46:31 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul 30 10:46:31 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul 30 10:46:31 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul 30 10:46:31 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul 30 10:46:31 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul 30 10:46:31 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul 30 10:46:31 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul 30 10:46:31 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul 30 10:46:31 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul 30 10:46:31 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul 30 10:46:31 Tower kernel:  [<c01200d8>] sys_adjtimex+0x1a/0x4f
Jul 30 10:46:31 Tower kernel:  [<c011d89e>] do_syslog+0x12f/0x311
Jul 30 10:46:31 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul 30 10:46:31 Tower kernel:  [<c01876fa>] kmsg_read+0x0/0x36
Jul 30 10:46:31 Tower kernel:  [<c01811eb>] proc_reg_read+0x56/0x69
Jul 30 10:46:31 Tower kernel:  [<c0181195>] proc_reg_read+0x0/0x69
Jul 30 10:46:31 Tower kernel:  [<c015997d>] vfs_read+0x81/0xf4
Jul 30 10:46:31 Tower kernel:  [<c0159c4d>] sys_read+0x3c/0x63
Jul 30 10:46:31 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul 30 10:46:31 Tower kernel:  =======================
Jul 30 10:46:31 Tower kernel: Mem-Info:
Jul 30 10:46:31 Tower kernel: DMA per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: Normal per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 163
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  38
Jul 30 10:46:31 Tower kernel: HighMem per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 150
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 165
Jul 30 10:46:31 Tower kernel: Active:37062 inactive:287840 dirty:0 writeback:0 unstable:0
Jul 30 10:46:31 Tower kernel:  free:67932 slab:113174 mapped:1769 pagetables:146 bounce:0
Jul 30 10:46:31 Tower kernel: DMA free:3544kB min:64kB low:80kB high:96kB active:32kB inactive:0kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul 30 10:46:31 Tower kernel: Normal free:263648kB min:3744kB low:4680kB high:5616kB active:65828kB inactive:71212kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul 30 10:46:31 Tower kernel: HighMem free:4536kB min:512kB low:1736kB high:2960kB active:82388kB inactive:1080148kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul 30 10:46:31 Tower kernel: DMA: 10*4kB 18*8kB 48*16kB 1*32kB 2*64kB 3*128kB 2*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3544kB
Jul 30 10:46:31 Tower kernel: Normal: 36218*4kB 9465*8kB 2675*16kB 6*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 263712kB
Jul 30 10:46:31 Tower kernel: HighMem: 242*4kB 106*8kB 46*16kB 14*32kB 10*64kB 3*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 4536kB
Jul 30 10:46:31 Tower kernel: 319987 total pagecache pages
Jul 30 10:46:31 Tower kernel: 0 pages in swap cache
Jul 30 10:46:31 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul 30 10:46:31 Tower kernel: Free swap  = 0kB
Jul 30 10:46:31 Tower kernel: Total swap = 0kB
Jul 30 10:46:31 Tower kernel: 524064 pages RAM
Jul 30 10:46:31 Tower kernel: 294704 pages HighMem
Jul 30 10:46:31 Tower kernel: 5307 pages reserved
Jul 30 10:46:31 Tower kernel: 161789 pages shared
Jul 30 10:46:31 Tower kernel: 292224 pages non-shared
Jul 30 10:46:31 Tower kernel: klogd: page allocation failure. order:3, mode:0x4020
Jul 30 10:46:31 Tower kernel: Pid: 1227, comm: klogd Not tainted 2.6.27.7-unRAID #3
Jul 30 10:46:31 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul 30 10:46:31 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul 30 10:46:31 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul 30 10:46:31 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul 30 10:46:31 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul 30 10:46:31 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul 30 10:46:31 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul 30 10:46:31 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul 30 10:46:31 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul 30 10:46:31 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul 30 10:46:31 Tower kernel:  [<c01200d8>] sys_adjtimex+0x1a/0x4f
Jul 30 10:46:31 Tower kernel:  [<c011d89e>] do_syslog+0x12f/0x311
Jul 30 10:46:31 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul 30 10:46:31 Tower kernel:  [<c01876fa>] kmsg_read+0x0/0x36
Jul 30 10:46:31 Tower kernel:  [<c01811eb>] proc_reg_read+0x56/0x69
Jul 30 10:46:31 Tower kernel:  [<c0181195>] proc_reg_read+0x0/0x69
Jul 30 10:46:31 Tower kernel:  [<c015997d>] vfs_read+0x81/0xf4
Jul 30 10:46:31 Tower kernel:  [<c0159c4d>] sys_read+0x3c/0x63
Jul 30 10:46:31 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul 30 10:46:31 Tower kernel:  =======================
Jul 30 10:46:31 Tower kernel: Mem-Info:
Jul 30 10:46:31 Tower kernel: DMA per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: Normal per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 163
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  38
Jul 30 10:46:31 Tower kernel: HighMem per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 150
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 165
Jul 30 10:46:31 Tower kernel: Active:37062 inactive:287840 dirty:0 writeback:0 unstable:0
Jul 30 10:46:31 Tower kernel:  free:67932 slab:113174 mapped:1769 pagetables:146 bounce:0
Jul 30 10:46:31 Tower kernel: DMA free:3544kB min:64kB low:80kB high:96kB active:32kB inactive:0kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul 30 10:46:31 Tower kernel: Normal free:263648kB min:3744kB low:4680kB high:5616kB active:65828kB inactive:71212kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul 30 10:46:31 Tower kernel: HighMem free:4536kB min:512kB low:1736kB high:2960kB active:82388kB inactive:1080148kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul 30 10:46:31 Tower kernel: DMA: 10*4kB 18*8kB 48*16kB 1*32kB 2*64kB 3*128kB 2*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3544kB
Jul 30 10:46:31 Tower kernel: Normal: 36218*4kB 9465*8kB 2675*16kB 4*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 263648kB
Jul 30 10:46:31 Tower kernel: HighMem: 242*4kB 106*8kB 46*16kB 14*32kB 10*64kB 3*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 4536kB
Jul 30 10:46:31 Tower kernel: 319987 total pagecache pages
Jul 30 10:46:31 Tower kernel: 0 pages in swap cache
Jul 30 10:46:31 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul 30 10:46:31 Tower kernel: Free swap  = 0kB
Jul 30 10:46:31 Tower kernel: Total swap = 0kB
Jul 30 10:46:31 Tower kernel: 524064 pages RAM
Jul 30 10:46:31 Tower kernel: 294704 pages HighMem
Jul 30 10:46:31 Tower kernel: 5307 pages reserved
Jul 30 10:46:31 Tower kernel: 161787 pages shared
Jul 30 10:46:31 Tower kernel: 292233 pages non-shared
Jul 30 10:46:31 Tower kernel: klogd: page allocation failure. order:3, mode:0x4020
Jul 30 10:46:31 Tower kernel: Pid: 1227, comm: klogd Not tainted 2.6.27.7-unRAID #3
Jul 30 10:46:31 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul 30 10:46:31 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul 30 10:46:31 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul 30 10:46:31 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul 30 10:46:31 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul 30 10:46:31 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul 30 10:46:31 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul 30 10:46:31 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul 30 10:46:31 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul 30 10:46:31 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul 30 10:46:31 Tower kernel:  [<c01200d8>] sys_adjtimex+0x1a/0x4f
Jul 30 10:46:31 Tower kernel:  [<c011d89e>] do_syslog+0x12f/0x311
Jul 30 10:46:31 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul 30 10:46:31 Tower kernel:  [<c01876fa>] kmsg_read+0x0/0x36
Jul 30 10:46:31 Tower kernel:  [<c01811eb>] proc_reg_read+0x56/0x69
Jul 30 10:46:31 Tower kernel:  [<c0181195>] proc_reg_read+0x0/0x69
Jul 30 10:46:31 Tower kernel:  [<c015997d>] vfs_read+0x81/0xf4
Jul 30 10:46:31 Tower kernel:  [<c0159c4d>] sys_read+0x3c/0x63
Jul 30 10:46:31 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul 30 10:46:31 Tower kernel:  =======================
Jul 30 10:46:31 Tower kernel: Mem-Info:
Jul 30 10:46:31 Tower kernel: DMA per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul 30 10:46:31 Tower kernel: Normal per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 163
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd:  38
Jul 30 10:46:31 Tower kernel: HighMem per-cpu:
Jul 30 10:46:31 Tower kernel: CPU    0: hi:  186, btch:  31 usd: 150
Jul 30 10:46:31 Tower kernel: CPU    1: hi:  186, btch:  31 usd: 165
Jul 30 10:46:31 Tower kernel: Active:37062 inactive:287840 dirty:0 writeback:0 unstable:0
Jul 30 10:46:31 Tower kernel:  free:67932 slab:113174 mapped:1769 pagetables:146 bounce:0
Jul 30 10:46:31 Tower kernel: DMA free:3544kB min:64kB low:80kB high:96kB active:32kB inactive:0kB present:15804kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 873 2015 2015
Jul 30 10:46:31 Tower kernel: Normal free:263648kB min:3744kB low:4680kB high:5616kB active:65828kB inactive:71212kB present:894080kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 9137 9137
Jul 30 10:46:31 Tower kernel: HighMem free:4536kB min:512kB low:1736kB high:2960kB active:82388kB inactive:1080148kB present:1169604kB pages_scanned:0 all_unreclaimable? no
Jul 30 10:46:31 Tower kernel: lowmem_reserve[]: 0 0 0 0
Jul 30 10:46:31 Tower kernel: DMA: 10*4kB 18*8kB 48*16kB 1*32kB 2*64kB 3*128kB 2*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3544kB
Jul 30 10:46:31 Tower kernel: Normal: 36218*4kB 9465*8kB 2675*16kB 4*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 263648kB
Jul 30 10:46:31 Tower kernel: HighMem: 242*4kB 106*8kB 46*16kB 14*32kB 10*64kB 3*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 4536kB
Jul 30 10:46:31 Tower kernel: 319987 total pagecache pages
Jul 30 10:46:31 Tower kernel: 0 pages in swap cache
Jul 30 10:46:31 Tower kernel: Swap cache stats: add 0, delete 0, find 0/0
Jul 30 10:46:31 Tower kernel: Free swap  = 0kB
Jul 30 10:46:31 Tower kernel: Total swap = 0kB
Jul 30 10:46:31 Tower kernel: 524064 pages RAM
Jul 30 10:46:31 Tower kernel: 294704 pages HighMem
Jul 30 10:46:31 Tower kernel: 5307 pages reserved
Jul 30 10:46:31 Tower kernel: 161789 pages shared
Jul 30 10:46:31 Tower kernel: 292232 pages non-shared
Jul 30 10:46:31 Tower kernel: klogd: page allocation failure. order:3, mode:0x4020
Jul 30 10:46:31 Tower kernel: Pid: 1227, comm: klogd Not tainted 2.6.27.7-unRAID #3
Jul 30 10:46:31 Tower kernel:  [<c013ff79>] __alloc_pages_internal+0x35e/0x372
Jul 30 10:46:31 Tower kernel:  [<c013ff9e>] __get_free_pages+0x11/0x1e
Jul 30 10:46:31 Tower kernel:  [<c02b3563>] __alloc_skb+0x4b/0x108
Jul 30 10:46:31 Tower kernel:  [<c02b4280>] __netdev_alloc_skb+0x14/0x2d
Jul 30 10:46:31 Tower kernel:  [<f8838126>] e1000_alloc_rx_buffers+0x91/0x28d [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838070>] e1000_clean_rx_irq+0x36d/0x392 [e1000]
Jul 30 10:46:31 Tower kernel:  [<f8838957>] e1000_clean+0x2c6/0x442 [e1000]
Jul 30 10:46:31 Tower kernel:  [<c011816c>] try_to_wake_up+0x11c/0x125
Jul 30 10:46:31 Tower kernel:  [<c02b9012>] net_rx_action+0x63/0x130
Jul 30 10:46:31 Tower kernel:  [<c01204b9>] __do_softirq+0x6c/0xcf
Jul 30 10:46:31 Tower kernel:  [<c012054e>] do_softirq+0x32/0x36
Jul 30 10:46:31 Tower kernel:  [<c0105179>] do_IRQ+0x54/0x67
Jul 30 10:46:31 Tower kernel:  [<c01035a3>] common_interrupt+0x23/0x28
Jul 30 10:46:31 Tower kernel:  [<c01200d8>] sys_adjtimex+0x1a/0x4f
Jul 30 10:46:31 Tower kernel:  [<c011d89e>] do_syslog+0x12f/0x311
Jul 30 10:46:31 Tower kernel:  [<c012b588>] autoremove_wake_function+0x0/0x2b
Jul 30 10:46:31 Tower kernel:  [<c01876fa>] kmsg_read+0x0/0x36
Jul 30 10:46:31 Tower kernel:  [<c01811eb>] proc_reg_read+0x56/0x69
Jul 30 10:46:31 Tower kernel:  [<c0181195>] proc_reg_read+0x0/0x69
Jul 30 10:46:31 Tower kernel:  [<c015997d>] vfs_read+0x81/0xf4
Jul 30 10:46:31 Tower kernel:  [<c0159c4d>] sys_read+0x3c/0x63
Jul 30 10:46:31 Tower kernel:  [<c0102c3e>] syscall_call+0x7/0xb
Jul 30 10:46:31 Tower kernel:  =======================

 

However this time they are not causing parity checks, but they are taking the server offline.  Offline from the network at least, however from the console it looks fine.

 

Even though the memtest showed nothing, is it likely this is a memory fault?

Those errors look like you have run out of memory while trying to allocate some from the pool of free memory, and there is none in the pool big enough.

I've seen some posts describing this as driver issue with the e1000 driver,  as in this post:

 

http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-01/0059.html

 

It might help to increase the "min_free_kbytes" parameter in kernel  by issuing a command like this might help

(suggested by some of the posts I've read in my google search of this problem)

echo 8192 > /proc/sys/vm/min_free_kbytes

It was originally set to 2836 on my server.  You can see the current value by typing:

cat /proc/sys/vm/min_free_kbytes

 

Unfortunately, when the kernel runs out of memory, anything as a side effect is possible.  I'd do a file-system check on each disk in turn to make sure no corruption has occurred.

 

Joe L.

 

 

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