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Date: Fri, 08 Mar 2013 14:11:06 +0100 From: Udo van den Heuvel <udovdh@...all.nl> To: linux-kernel@...r.kernel.org Subject: 3.6.11: khubd issue SLAB related? Hello, I found this in dmesg: [3663200.373989] pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected. [3663200.779617] khubd: page allocation failure: order:4, mode:0xd0 [3663200.779621] Pid: 274, comm: khubd Not tainted 3.6.11 #22 [3663200.779622] Call Trace: [3663200.779629] [<ffffffff810b5346>] ? warn_alloc_failed+0xf6/0x150 [3663200.779632] [<ffffffff8141c6de>] ? __alloc_pages_direct_compact+0x1ac/0x1be [3663200.779635] [<ffffffff810b7f89>] ? __alloc_pages_nodemask+0x609/0x820 [3663200.779638] [<ffffffff810e8796>] ? cache_alloc_refill+0x356/0x660 [3663200.779640] [<ffffffff810e8c7b>] ? kmem_cache_alloc+0xab/0xe0 [3663200.779643] [<ffffffffa00168da>] ? usb_pwc_probe+0x17a/0xaf0 [pwc] [3663200.779646] [<ffffffff812de513>] ? usb_probe_interface+0x113/0x200 [3663200.779650] [<ffffffff8128be2e>] ? driver_probe_device+0x6e/0x210 [3663200.779652] [<ffffffff8128c070>] ? __driver_attach+0xa0/0xa0 [3663200.779654] [<ffffffff8128a2de>] ? bus_for_each_drv+0x3e/0x80 [3663200.779656] [<ffffffff8128bd90>] ? device_attach+0x80/0x90 [3663200.779658] [<ffffffff8128b370>] ? bus_probe_device+0x80/0xb0 [3663200.779659] [<ffffffff812899d7>] ? device_add+0x5b7/0x670 [3663200.779662] [<ffffffff812dd3a8>] ? usb_set_configuration+0x4b8/0x720 [3663200.779664] [<ffffffff812e5a3b>] ? generic_probe+0x3b/0xa0 [3663200.779666] [<ffffffff8128be2e>] ? driver_probe_device+0x6e/0x210 [3663200.779668] [<ffffffff8128c070>] ? __driver_attach+0xa0/0xa0 [3663200.779670] [<ffffffff8128a2de>] ? bus_for_each_drv+0x3e/0x80 [3663200.779672] [<ffffffff8128bd90>] ? device_attach+0x80/0x90 [3663200.779674] [<ffffffff8128b370>] ? bus_probe_device+0x80/0xb0 [3663200.779675] [<ffffffff812899d7>] ? device_add+0x5b7/0x670 [3663200.779678] [<ffffffff81282d7f>] ? mix_pool_bytes.constprop.15+0x3f/0x60 [3663200.779681] [<ffffffff81421300>] ? _raw_spin_unlock_bh+0x20/0x20 [3663200.779683] [<ffffffff812d5d08>] ? usb_new_device+0x1d8/0x260 [3663200.779685] [<ffffffff812d640a>] ? hub_thread+0x67a/0x14d0 [3663200.779687] [<ffffffff8142021c>] ? __schedule+0x2ac/0x800 [3663200.779690] [<ffffffff810611ec>] ? __wake_up_common+0x4c/0x80 [3663200.779693] [<ffffffff81059b00>] ? abort_exclusive_wait+0xb0/0xb0 [3663200.779695] [<ffffffff812d5d90>] ? usb_new_device+0x260/0x260 [3663200.779697] [<ffffffff810591d5>] ? kthread+0x85/0x90 [3663200.779699] [<ffffffff814231f4>] ? kernel_thread_helper+0x4/0x10 [3663200.779701] [<ffffffff81059150>] ? kthread_freezable_should_stop+0x50/0x50 [3663200.779703] [<ffffffff814231f0>] ? gs_change+0xb/0xb [3663200.779704] Mem-Info: [3663200.779705] DMA per-cpu: [3663200.779706] CPU 0: hi: 0, btch: 1 usd: 0 [3663200.779708] CPU 1: hi: 0, btch: 1 usd: 0 [3663200.779709] CPU 2: hi: 0, btch: 1 usd: 0 [3663200.779710] CPU 3: hi: 0, btch: 1 usd: 0 [3663200.779711] DMA32 per-cpu: [3663200.779712] CPU 0: hi: 186, btch: 31 usd: 0 [3663200.779713] CPU 1: hi: 186, btch: 31 usd: 0 [3663200.779714] CPU 2: hi: 186, btch: 31 usd: 0 [3663200.779715] CPU 3: hi: 186, btch: 31 usd: 0 [3663200.779716] Normal per-cpu: [3663200.779717] CPU 0: hi: 186, btch: 31 usd: 0 [3663200.779718] CPU 1: hi: 186, btch: 31 usd: 0 [3663200.779719] CPU 2: hi: 186, btch: 31 usd: 0 [3663200.779720] CPU 3: hi: 186, btch: 31 usd: 0 [3663200.779723] active_anon:367320 inactive_anon:142633 isolated_anon:0 [3663200.779723] active_file:470023 inactive_file:522338 isolated_file:0 [3663200.779723] unevictable:0 dirty:89 writeback:0 unstable:0 [3663200.779723] free:87496 slab_reclaimable:79192 slab_unreclaimable:19937 [3663200.779723] mapped:18116 shmem:3960 pagetables:11525 bounce:0 [3663200.779728] DMA free:15904kB min:136kB low:168kB high:204kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15680kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes [3663200.779730] lowmem_reserve[]: 0 2448 7483 7483 [3663200.779736] DMA32 free:169684kB min:22072kB low:27588kB high:33108kB active_anon:196000kB inactive_anon:221500kB active_file:709152kB inactive_file:793704kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2507728kB mlocked:0kB dirty:12kB writeback:0kB mapped:19536kB shmem:3072kB slab_reclaimable:161628kB slab_unreclaimable:15436kB kernel_stack:488kB pagetables:4780kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [3663200.779737] lowmem_reserve[]: 0 0 5034 5034 [3663200.779742] Normal free:164396kB min:45372kB low:56712kB high:68056kB active_anon:1273280kB inactive_anon:349032kB active_file:1170940kB inactive_file:1295648kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:5155036kB mlocked:0kB dirty:344kB writeback:0kB mapped:52928kB shmem:12768kB slab_reclaimable:155140kB slab_unreclaimable:64312kB kernel_stack:3312kB pagetables:41320kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [3663200.779744] lowmem_reserve[]: 0 0 0 0 [3663200.779746] DMA: 0*4kB 0*8kB 0*16kB 1*32kB 2*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15904kB [3663200.779751] DMA32: 23335*4kB 8814*8kB 365*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 169692kB [3663200.779757] Normal: 38925*4kB 1081*8kB 3*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 164396kB [3663200.779762] 1007244 total pagecache pages [3663200.779763] 10889 pages in swap cache [3663200.779764] Swap cache stats: add 125307, delete 114418, find 564015/570538 [3663200.779765] Free swap = 3908344kB [3663200.779766] Total swap = 4095984kB [3663200.799573] 1961968 pages RAM [3663200.799575] 75067 pages reserved [3663200.799576] 268951 pages shared [3663200.799577] 1601656 pages non-shared [3663200.799579] SLAB: Unable to allocate memory on node 0 (gfp=0xd0) [3663200.799581] cache: size-65536, object size: 65536, order: 4 [3663200.799583] node 0: slabs: 6/6, objs: 6/6, free: 0 [3663200.799585] pwc: Oops, could not allocate memory for pwc_device. [3663200.799593] Philips webcam: probe of 2-4:1.0 failed with error -12 [3663200.799619] usb 2-4: adding 2-4:1.1 (config #1, interface 1) [3663200.799807] snd-usb-audio 2-4:1.1: usb_probe_interface [3663200.799812] snd-usb-audio 2-4:1.1: usb_probe_interface - got id [3663200.867541] usb 2-4: adding 2-4:1.2 (config #1, interface 2) [3663200.867614] hub 2-0:1.0: state 7 ports 5 chg 0000 evt 0010 How can we fix this? Udo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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