Im seeing a massive amount of page allocation failures with 2.6.14-rc5,
and also earlier kernels, see "E1000 - page allocation failure - saga
continues :(". Machine is a 1Ghz Athlon with 256MB RAM. Attached is
example dmesg output. The stack traces come in many variants. Killing
processes using RAM only seems to help temporarily. Ive also tried
setting vm.min_free_kbytes=16384, which used to work pretty well, but
this does not help (atleast not in the state the machine is currently
in, without rebooting).
free currently gives:
total used free shared buffers cached
Mem: 256520 239128 17392 0 5372 67500
-/+ buffers/cache: 166256 90264
Swap: 506036 21248 484788
I havent yet tried rebooting and using the vm.min_free_kbytes=16384 from
scratch, but I think something with the default for this is wrong if it
results in this many page allocation errors. The machine is serving
files from an encrypted partition with reiserfs on it, and I obivously
use the e1000 driver.
---
John Bäckstrand
[149649.847890] kcryptd/0: page allocation failure. order:3, mode:0x20
[149649.847945] [<c01419d8>] __alloc_pages+0x318/0x440
[149649.848002] [<c0144b0d>] kmem_getpages+0x2d/0xa0
[149649.848043] [<c0141858>] __alloc_pages+0x198/0x440
[149649.848078] [<c0145936>] cache_grow+0x96/0x1c0
[149649.848116] [<c0145c99>] cache_alloc_refill+0x239/0x270
[149649.848156] [<c0145fb3>] __kmalloc+0x73/0x80
[149649.848190] [<c027300f>] __alloc_skb+0x5f/0x160
[149649.848233] [<d099afcc>] e1000_alloc_rx_buffers+0x1dc/0x3a0 [e1000]
[149649.848318] [<d099a81d>] e1000_clean_rx_irq+0x30d/0x480 [e1000]
[149649.848366] [<d099afcc>] e1000_alloc_rx_buffers+0x1dc/0x3a0 [e1000]
[149649.848419] [<d0999f5d>] e1000_intr+0x4d/0x100 [e1000]
[149649.848465] [<c013b5cd>] handle_IRQ_event+0x3d/0x70
[149649.848512] [<c013b65d>] __do_IRQ+0x5d/0xc0
[149649.848549] [<c0105199>] do_IRQ+0x19/0x30
[149649.848590] [<c0103a72>] common_interrupt+0x1a/0x20
[149649.848628] [<c011f540>] __do_softirq+0x30/0x90
[149649.848676] [<c011f5c6>] do_softirq+0x26/0x30
[149649.848710] [<c010519e>] do_IRQ+0x1e/0x30
[149649.848743] [<c0103a72>] common_interrupt+0x1a/0x20
[149649.848783] [<d0a1e8f1>] aes_decrypt+0x121/0x13b0 [aes]
[149649.848865] [<c01cd966>] cbc_process_decrypt+0xe6/0x160
[149649.848919] [<c01cde50>] xor_128+0x0/0x20
[149649.848952] [<d0a1e7d0>] aes_decrypt+0x0/0x13b0 [aes]
[149649.848999] [<c01cd50c>] crypt+0x12c/0x2b0
[149649.849044] [<c01cd6d1>] crypt_iv_unaligned+0x41/0x120
[149649.849082] [<d0a1d320>] aes_encrypt+0x0/0x14b0 [aes]
[149649.849119] [<c01cd9e0>] ecb_process+0x0/0x60
[149649.849156] [<c01cdcc5>] cbc_decrypt_iv+0x55/0x60
[149649.849193] [<d0a1e7d0>] aes_decrypt+0x0/0x13b0 [aes]
[149649.849227] [<c01cd880>] cbc_process_decrypt+0x0/0x160
[149649.849264] [<d0a12611>] crypt_convert+0x251/0x2d0 [dm_crypt]
[149649.849314] [<d08bd2a1>] clone_endio+0x101/0x150 [dm_mod]
[149649.849392] [<d0a12930>] kcryptd_do_work+0x0/0x70 [dm_crypt]
[149649.849428] [<d0a12980>] kcryptd_do_work+0x50/0x70 [dm_crypt]
[149649.849474] [<c012a451>] worker_thread+0x1b1/0x260
[149649.849526] [<c0117670>] default_wake_function+0x0/0x20
[149649.849566] [<c012a2a0>] worker_thread+0x0/0x260
[149649.849605] [<c012e336>] kthread+0xb6/0xc0
[149649.849643] [<c012e280>] kthread+0x0/0xc0
[149649.849679] [<c0101379>] kernel_thread_helper+0x5/0xc
[149649.849727] Mem-info:
[149649.849748] DMA per-cpu:
[149649.849773] cpu 0 hot: low 2, high 6, batch 1 used:2
[149649.849799] cpu 0 cold: low 0, high 2, batch 1 used:0
[149649.849824] Normal per-cpu:
[149649.849849] cpu 0 hot: low 62, high 186, batch 31 used:147
[149649.849876] cpu 0 cold: low 0, high 62, batch 31 used:31
[149649.849903] HighMem per-cpu: empty
[149649.849933] Free pages: 16148kB (0kB HighMem)
[149649.849961] Active:5092 inactive:16489 dirty:2 writeback:0 unstable:0 free:4037 slab:36782 mapped:4533 pagetables:175
[149649.850014] DMA free:1340kB min:1024kB low:1280kB high:1536kB active:316kB inactive:4252kB present:16384kB pages_scanned:0 all_unreclaimable? no
[149649.850067] lowmem_reserve[]: 0 239 239
[149649.850106] Normal free:14808kB min:15356kB low:19192kB high:23032kB active:20052kB inactive:61704kB present:245680kB pages_scanned:0 all_unreclaimable? no
[149649.850161] lowmem_reserve[]: 0 0 0
[149649.850198] HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
[149649.850249] lowmem_reserve[]: 0 0 0
[149649.850284] DMA: 1*4kB 1*8kB 9*16kB 1*32kB 10*64kB 4*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1340kB
[149649.850370] Normal: 102*4kB 772*8kB 468*16kB 1*32kB 1*64kB 3*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14808kB
[149649.850461] HighMem: empty
[149649.850496] Swap cache: add 465981, delete 465217, find 393848/474450, race 0+5
[149649.850537] Free swap = 484784kB
[149649.850558] Total swap = 506036kB
[149649.850581] Free swap: 484784kB
[149649.856900] 65516 pages of RAM
[149649.856929] 0 pages of HIGHMEM
[149649.856951] 1386 reserved pages
[149649.856972] 10836 pages shared
[149649.856993] 764 pages swap cached
[149649.857016] 2 pages dirty
[149649.857036] 0 pages writeback
[149649.857056] 4533 pages mapped
[149649.857076] 36784 pages slab
[149649.857097] 175 pages pagetables
[149649.857425] kcryptd/0: page allocation failure. order:3, mode:0x20
[149649.857692] [<c01419d8>] __alloc_pages+0x318/0x440
[149649.857743] [<c0144b0d>] kmem_getpages+0x2d/0xa0
[149649.857782] [<c0145936>] cache_grow+0x96/0x1c0
[149649.859033] [<c0145c99>] cache_alloc_refill+0x239/0x270
[149649.859072] [<c0145fb3>] __kmalloc+0x73/0x80
[149649.859105] [<c027300f>] __alloc_skb+0x5f/0x160
[149649.859148] [<d099afcc>] e1000_alloc_rx_buffers+0x1dc/0x3a0 [e1000]
[149649.859225] [<d099a81d>] e1000_clean_rx_irq+0x30d/0x480 [e1000]
[149649.859272] [<d099afcc>] e1000_alloc_rx_buffers+0x1dc/0x3a0 [e1000]
[149649.859325] [<d0999f5d>] e1000_intr+0x4d/0x100 [e1000]
[149649.859371] [<c013b5cd>] handle_IRQ_event+0x3d/0x70
[149649.859416] [<c013b65d>] __do_IRQ+0x5d/0xc0
[149649.859451] [<c0105199>] do_IRQ+0x19/0x30
[149649.859485] [<c0103a72>] common_interrupt+0x1a/0x20
[149649.859523] [<c011f540>] __do_softirq+0x30/0x90
[149649.859565] [<c011f5c6>] do_softirq+0x26/0x30
[149649.859596] [<c010519e>] do_IRQ+0x1e/0x30
[149649.859626] [<c0103a72>] common_interrupt+0x1a/0x20
[149649.859663] [<d0a1e8f1>] aes_decrypt+0x121/0x13b0 [aes]
[149649.859735] [<c01cd966>] cbc_process_decrypt+0xe6/0x160
[149649.859786] [<c01cde50>] xor_128+0x0/0x20
[149649.859817] [<d0a1e7d0>] aes_decrypt+0x0/0x13b0 [aes]
[149649.859865] [<c01cd50c>] crypt+0x12c/0x2b0
[149649.859909] [<c01cd6d1>] crypt_iv_unaligned+0x41/0x120
[149649.859947] [<d0a1d320>] aes_encrypt+0x0/0x14b0 [aes]
[149649.859981] [<c01cd9e0>] ecb_process+0x0/0x60
[149649.860015] [<c01cdcc5>] cbc_decrypt_iv+0x55/0x60
[149649.860052] [<d0a1e7d0>] aes_decrypt+0x0/0x13b0 [aes]
[149649.860087] [<c01cd880>] cbc_process_decrypt+0x0/0x160
[149649.860123] [<d0a12611>] crypt_convert+0x251/0x2d0 [dm_crypt]
[149649.860171] [<d08bd2a1>] clone_endio+0x101/0x150 [dm_mod]
[149649.860247] [<d0a12930>] kcryptd_do_work+0x0/0x70 [dm_crypt]
[149649.860283] [<d0a12980>] kcryptd_do_work+0x50/0x70 [dm_crypt]
[149649.860333] [<c012a451>] worker_thread+0x1b1/0x260
[149649.860383] [<c0117670>] default_wake_function+0x0/0x20
[149649.860422] [<c012a2a0>] worker_thread+0x0/0x260
[149649.860454] [<c012e336>] kthread+0xb6/0xc0
[149649.860492] [<c012e280>] kthread+0x0/0xc0
[149649.860525] [<c0101379>] kernel_thread_helper+0x5/0xc
[149649.860560] Mem-info:
[149649.860581] DMA per-cpu:
[149649.860603] cpu 0 hot: low 2, high 6, batch 1 used:2
[149649.860629] cpu 0 cold: low 0, high 2, batch 1 used:0
[149649.860655] Normal per-cpu:
[149649.860678] cpu 0 hot: low 62, high 186, batch 31 used:145
[149649.860705] cpu 0 cold: low 0, high 62, batch 31 used:31
[149649.860739] HighMem per-cpu: empty
[149649.860765] Free pages: 16148kB (0kB HighMem)
[149649.860794] Active:5092 inactive:16489 dirty:2 writeback:0 unstable:0 free:4037 slab:36784 mapped:4533 pagetables:175
[149649.860843] DMA free:1340kB min:1024kB low:1280kB high:1536kB active:316kB inactive:4252kB present:16384kB pages_scanned:0 all_unreclaimable? no
[149649.860896] lowmem_reserve[]: 0 239 239
[149649.860932] Normal free:14808kB min:15356kB low:19192kB high:23032kB active:20052kB inactive:61704kB present:245680kB pages_scanned:0 all_unreclaimable? no
[149649.860986] lowmem_reserve[]: 0 0 0
[149649.861022] HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
[149649.861071] lowmem_reserve[]: 0 0 0
[149649.861104] DMA: 1*4kB 1*8kB 9*16kB 1*32kB 10*64kB 4*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1340kB
[149649.861189] Normal: 102*4kB 772*8kB 468*16kB 1*32kB 1*64kB 3*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14808kB
[149649.861270] HighMem: empty
[149649.861294] Swap cache: add 465981, delete 465217, find 393848/474450, race 0+5
[149649.861331] Free swap = 484784kB
[149649.861351] Total swap = 506036kB
[149649.861371] Free swap: 484784kB
[149649.867621] 65516 pages of RAM
[149649.867650] 0 pages of HIGHMEM
[149649.867670] 1386 reserved pages
[149649.867692] 10836 pages shared
[149649.867713] 764 pages swap cached
[149649.867734] 2 pages dirty
[149649.867764] 0 pages writeback
[149649.867783] 4533 pages mapped
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