Openmoko Bug #2133: kmmcd: page allocation failure. order:4, mode:0xd0

[Openmoko Public Trac]

#2133: kmmcd: page allocation failure. order:4, mode:0xd0
-----------------------------+----------------------------------------------
 Reporter:  lindi            |          Owner:  openmoko-kernel
     Type:  defect           |         Status:  new            
 Priority:  normal           |      Milestone:                 
Component:  System Software  |        Version:                 
 Severity:  minor            |       Keywords:                 
 Haspatch:  0                |      Blockedby:                 
Estimated:                   |    Patchreview:                 
 Blocking:                   |   Reproducible:                 
-----------------------------+----------------------------------------------
 stable-tracking kernel at 1b17c67794364bee printed the above error
 message today. I don't unfortunately know what I was exactly doing at
 that time so I'm also attaching complete dmesg output from boot in
 addition to this small extract:

 {{{
 [35769.010000] kmmcd: page allocation failure. order:4, mode:0xd0
 [35769.010000] [<c0365370>] (dump_stack+0x0/0x14) from [<c0091158>]
 (__alloc_pages_internal+0x3c0/0x3e8)
 [35769.010000] [<c0090d98>] (__alloc_pages_internal+0x0/0x3e8) from
 [<c00b05f8>] (cache_grow+0xc8/0x354)
 [35769.010000] [<c00b0530>] (cache_grow+0x0/0x354) from [<c00b0a84>]
 (cache_alloc_refill+0x200/0x264)
 [35769.010000] [<c00b0884>] (cache_alloc_refill+0x0/0x264) from
 [<c00b0b88>] (__kmalloc+0xa0/0xdc)
 [35769.010000] [<c00b0ae8>] (__kmalloc+0x0/0xdc) from [<c02dadc4>]
 (alloc_netdev_mq+0x50/0x164)
 [35769.010000]  r7:00000001 r6:00000000 r5:c79fc768 r4:c79fc000
 [35769.010000] [<c02dad74>] (alloc_netdev_mq+0x0/0x164) from [<c02e8240>]
 (alloc_etherdev_mq+0x1c/0x28)
 [35769.010000] [<c02e8224>] (alloc_etherdev_mq+0x0/0x28) from [<c027852c>]
 (ar6000_avail_ev+0x30/0x3c4)
 [35769.010000] [<c02784fc>] (ar6000_avail_ev+0x0/0x3c4) from [<c0273a40>]
 (HTCTargetInsertedHandler+0x17c/0x1c4)
 [35769.010000]  r8:00000000 r7:c79fcdb8 r6:00000006 r5:c79fc768
 r4:c79fc000
 [35769.010000] [<c02738c4>] (HTCTargetInsertedHandler+0x0/0x1c4) from
 [<c02743dc>] (sdio_ar6000_probe+0x1ac/0x27c)
 [35769.010000] [<c0274230>] (sdio_ar6000_probe+0x0/0x27c) from
 [<c026a1dc>] (sdio_bus_probe+0xd4/0xf0)
 [35769.010000]  r8:c7a2a808 r7:c0493eb4 r6:c7a2a400 r5:c0386808
 r4:00000000
 [35769.010000] [<c026a108>] (sdio_bus_probe+0x0/0xf0) from [<c01d3128>]
 (really_probe+0x120/0x28c)
 [35769.010000]  r7:c0493eb4 r6:c7a2a408 r5:c0493eb4 r4:00000000
 [35769.010000] [<c01d3008>] (really_probe+0x0/0x28c) from [<c01d336c>]
 (driver_probe_device+0xd8/0xf4)
 [35769.010000]  r7:c7865e30 r6:c7a2a408 r5:c0493eb4 r4:00000000
 [35769.010000] [<c01d3294>] (driver_probe_device+0x0/0xf4) from
 [<c01d3420>] (__device_attach+0x10/0x14)
 [35769.010000]  r6:c7a2a408 r5:c01d3410 r4:00000000
 [35769.010000] [<c01d3410>] (__device_attach+0x0/0x14) from [<c01d2468>]
 (bus_for_each_drv+0x5c/0x9c)
 [35769.010000] [<c01d240c>] (bus_for_each_drv+0x0/0x9c) from [<c01d34a4>]
 (device_attach+0x58/0x70)
 [35769.010000]  r7:c7a2a4f0 r6:00000000 r5:c7a2a534 r4:c7a2a408
 [35769.010000] [<c01d344c>] (device_attach+0x0/0x70) from [<c01d2190>]
 (bus_attach_device+0x30/0x64)
 [35769.010000]  r5:c7a2a408 r4:c0493b2c
 [35769.010000] [<c01d2160>] (bus_attach_device+0x0/0x64) from [<c01d03c4>]
 (device_add+0x214/0x370)
 [35769.010000]  r5:c7a2a408 r4:00000000
 [35769.010000] [<c01d01b0>] (device_add+0x0/0x370) from [<c0269fc4>]
 (sdio_add_func+0x34/0x4c)
 [35769.010000]  r8:00000001 r7:00000002 r6:c7a02800 r5:c7a2a400
 r4:c7a2a408
 [35769.010000] [<c0269f90>] (sdio_add_func+0x0/0x4c) from [<c02699bc>]
 (mmc_attach_sdio+0x2f8/0x3a8)
 [35769.010000]  r5:00000000 r4:00000000
 [35769.010000] [<c02696c4>] (mmc_attach_sdio+0x0/0x3a8) from [<c0265dac>]
 (mmc_rescan+0x100/0x210)
 [35769.010000]  r8:00000000 r7:c7a02aa8 r6:c7a02aa8 r5:c7865f1c
 r4:c7a02800
 [35769.010000] [<c0265cac>] (mmc_rescan+0x0/0x210) from [<c006895c>]
 (run_workqueue+0x128/0x224)
 [35769.010000]  r6:c7864000 r5:c7870f20 r4:c7a02aac
 [35769.010000] [<c0068834>] (run_workqueue+0x0/0x224) from [<c0068e50>]
 (worker_thread+0x100/0x114)
 [35769.010000] [<c0068d50>] (worker_thread+0x0/0x114) from [<c006cd4c>]
 (kthread+0x60/0x94)
 [35769.010000]  r8:00000000 r7:00000000 r6:c0068d50 r5:c7870f20
 r4:c7864000
 [35769.010000] [<c006ccec>] (kthread+0x0/0x94) from [<c005ac64>]
 (do_exit+0x0/0x2a4)
 [35769.010000]  r6:00000000 r5:00000000 r4:00000000
 }}}

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Ticket URL: <https://docs.openmoko.org/trac/ticket/2133>
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