Also sprach Peter Zijlstra <[email protected]> (Tue, 28 Aug 2007 13:22:17 +0200):
> On Tue, 2007-08-28 at 12:55 +0200, Richard Mittendorfer wrote:
> > Hello,
> >
> > The box was up for 9 days when this one showed up. Currently rebuilding
> > w/ cfs lastest version.
>
> I'm curious why you think this is related to the scheduler?
Oh, I'm not. At least I don't know and there' a new version out.
I maybe had troubles witch ccache/distcc when I builded that one, so
I'll rebuild. I'll call in if it shows up with the rebuild.
> > kernel: gs: page allocation failure. order:1, mode:0x4020
> > kernel: [<c0150070>] __alloc_pages+0x2f0/0x340
> > kernel: [<c0169edc>] __slab_alloc+0x1dc/0x860
> > kernel: [<c03569ed>] ip_local_deliver+0xfd/0x250
> > kernel: [<c0356160>] ip_local_deliver_finish+0x0/0x1b0
> > kernel: [<c0326d52>] __netdev_alloc_skb+0x22/0x50
> > kernel: [<c016ac7b>] __kmalloc_track_caller+0x6b/0x70
> > kernel: [<c0326d52>] __netdev_alloc_skb+0x22/0x50
> > kernel: [<c0326a07>] __alloc_skb+0x57/0x120
> > kernel: [<c0326d52>] __netdev_alloc_skb+0x22/0x50
> > kernel: [<c02a31f4>] e100_rx_alloc_skb+0x24/0xa0
> > kernel: [<c02a59a0>] e100_poll+0x1b0/0x430
> > kernel: [<c01274a0>] process_timeout+0x0/0x10
> > kernel: [<c032d34c>] net_rx_action+0x6c/0x170
> > kernel: [<c0123f62>] __do_softirq+0x42/0x90
> > kernel: [<c010691c>] do_softirq+0x5c/0xb0
> > kernel: [<c016f0a4>] vfs_read+0x154/0x1d0
> > kernel: [<c0148460>] handle_edge_irq+0x0/0xf0
> > kernel: [<c0123e9a>] irq_exit+0x5a/0x60
> > kernel: [<c01069ec>] do_IRQ+0x7c/0xc0
> > kernel: [<c016f1e1>] sys_read+0x41/0x70
> > kernel: [<c0104b7f>] common_interrupt+0x23/0x28
> > kernel: =======================
> > kernel: Mem-info:
> > kernel: DMA per-cpu:
> > kernel: CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0
> > kernel: Normal per-cpu:
> > kernel: CPU 0: Hot: hi: 186, btch: 31 usd: 17 Cold: hi: 62, btch: 15 usd: 57
> > kernel: Active:106252 inactive:15242 dirty:9376 writeback:0 unstable:0
> > kernel: free:1508 slab:3818 mapped:6284 pagetables:453 bounce:0
> > kernel: DMA free:1988kB min:64kB low:80kB high:96kB active:9244kB inactive:128kB present:16256kB pages_scanned:33 all_unreclaimable? no
> > kernel: lowmem_reserve[]: 0 491
> > kernel: Normal free:4044kB min:1980kB low:2472kB high:2968kB active:415764kB inactive:60840kB present:502920kB pages_scanned:140 all_unreclaimable? no
> > kernel: lowmem_reserve[]: 0 0
> > kernel: DMA: 21*4kB 0*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 1988kB
> > kernel: Normal: 917*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4044kB
> > kernel: Swap cache: add 6475, delete 6087, find 125398/125927, race 0+0
> > kernel: Free swap = 1171308kB
> > kernel: Total swap = 1179344kB
> > kernel: Free swap: 1171308kB
> > kernel: 130816 pages of RAM
> > kernel: 0 pages of HIGHMEM
> > kernel: 2224 reserved pages
> > kernel: 92116 pages shared
> > kernel: 388 pages swap cached
> > kernel: 9376 pages dirty
> > kernel: 0 pages writeback
> > kernel: 6284 pages mapped
> > kernel: 3818 pages slab
> > kernel: 453 pages pagetables
>
> Also curious why it failed, looks like it just hit the watermarks.
> Could you provide us with the content of /proc/zoneinfo of that kernel?
> Also, do you use SLUB or SLAB?
I'm using SLUB, .config & dmesg is at
http://www.mittendorfer.com/rm/temp/config-2.6.22-cfs-v2.20.txt
http://www.mittendorfer.com/rm/temp/dmesg-2.6.22.5-cfs-20.2.txt
(note, this is after I did reboot the machine.)
booze:~# cat /proc/zoneinfo
Node 0, zone DMA
pages free 597
min 16
low 20
high 24
scanned 0 (a: 20 i: 18)
spanned 4096
present 4064
nr_free_pages 597
nr_inactive 6
nr_active 2382
nr_anon_pages 2278
nr_mapped 7
nr_file_pages 110
nr_dirty 1
nr_writeback 0
nr_slab_reclaimable 33
nr_slab_unreclaimable 8
nr_page_table_pages 2
nr_unstable 0
nr_bounce 0
nr_vmscan_write 896
protection: (0, 491)
pagesets
cpu: 0 pcp: 0
count: 0
high: 0
batch: 1
cpu: 0 pcp: 1
count: 0
high: 0
batch: 1
all_unreclaimable: 0
prev_priority: 12
start_pfn: 0
Node 0, zone Normal
pages free 1533
min 495
low 618
high 742
scanned 0 (a: 0 i: 0)
spanned 126720
present 125730
nr_free_pages 1533
nr_inactive 17430
nr_active 100789
nr_anon_pages 76649
nr_mapped 6785
nr_file_pages 41575
nr_dirty 2068
nr_writeback 0
nr_slab_reclaimable 2424
nr_slab_unreclaimable 1686
nr_page_table_pages 460
nr_unstable 0
nr_bounce 0
nr_vmscan_write 2633
protection: (0, 0)
pagesets
cpu: 0 pcp: 0
count: 12
high: 186
batch: 31
cpu: 0 pcp: 1
count: 6
high: 62
batch: 15
all_unreclaimable: 0
prev_priority: 12
start_pfn: 409
> Normally these errors occur because of jumbo frames, but e100 doesn't do
> that, so it seems an order-1 page was used to back smaller objects.
It's a 100Mbps switched network, MTU 1500. One e100 and one 8139too a
multihomed SOHO server. I think it showed up after a printjob came in
from LAN..., log's confirm that.
?likely unrelated - there's wondershaper on eth1 (not the one to the LAN):
qdisc cbq 1: rate 10000Kbit (bounded,isolated) prio no-transmit
Sent 22103227 bytes 255795 pkt (dropped 0, overlimits 30959 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
borrowed 0 overactions 0 avgidle 781 undertime 0
qdisc sfq 10: parent 1:10 limit 128p quantum 1514b perturb 10sec
Sent 12179947 bytes 187593 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
qdisc sfq 20: parent 1:20 limit 128p quantum 1514b perturb 10sec
Sent 9857424 bytes 66634 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
qdisc sfq 30: parent 1:30 limit 128p quantum 1514b perturb 10sec
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
qdisc ingress ffff: ----------------
Sent 218286672 bytes 310103 pkt (dropped 1679, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
class cbq 1: root rate 10000Kbit (bounded,isolated) prio no-transmit
Sent 65814 bytes 1567 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
borrowed 0 overactions 0 avgidle 781 undertime 0
class cbq 1:10 parent 1:1 leaf 10: rate 240000bit prio 1
Sent 12179947 bytes 187593 pkt (dropped 0, overlimits 12976 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
borrowed 0 overactions 9967 avgidle 781 undertime 0
class cbq 1:1 parent 1: rate 240000bit (bounded,isolated) prio 5
Sent 22037371 bytes 254227 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
borrowed 7874 overactions 0 avgidle 781 undertime 0
class cbq 1:20 parent 1:1 leaf 20: rate 216000bit prio 2
Sent 9857424 bytes 66634 pkt (dropped 0, overlimits 20637 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
borrowed 7874 overactions 7229 avgidle 781 undertime 0
class cbq 1:30 parent 1:1 leaf 30: rate 192000bit prio 2
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
borrowed 0 overactions 0 avgidle 781 undertime 0
Thanks & Regards,
ritch
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