On Fri, 25 Nov 2016, Karl-Philipp Richter wrote: > Hi, > After upgrade to origin-258172-g2b438fb I see > > [ 14.941949] ------------[ cut here ]------------ > [ 14.941957] WARNING: CPU: 4 PID: 8566 at mm/page_alloc.c:3421 > __alloc_pages_nodemask+0xa48/0xe70 > [ 14.941958] Modules linked in: ghash_clmulni_intel aesni_intel > aes_x86_64 glue_helper arc4 lrw ablk_helper cryptd iwldvm intel_cstate > mac80211 cdc_ether usbnet r8152 btusb btrtl intel_rapl_perf uvcvideo > btbcm btintel bluetooth videobuf2_vmalloc videobuf2_memops > videobuf2_v4l2 iwlwifi videobuf2_core videodev hid_multitouch joydev > input_leds media cfg80211 serio_raw ideapad_laptop sparse_keymap wmi > mei_me mei shpchp mac_hid lpc_ich sunrpc parport_pc ppdev lp parport > coda ip_tables x_tables autofs4 btrfs xor raid6_pq rtsx_usb_sdmmc > rtsx_usb hid_generic usbhid hid i915 psmouse i2c_algo_bit drm_kms_helper > syscopyarea sysfillrect sysimgblt fb_sys_fops drm video fjes r8169 ahci > libahci mii > [ 14.942001] CPU: 4 PID: 8566 Comm: mount Not tainted 5.8.0+ #6 > [ 14.942002] Hardware name: LENOVO 20221/INVALID, BIOS > 71CN51WW(V1.21) 07/12/2013 > [ 14.942004] 0000000000000286 000000004736e4c6 ffff8e39a411fa30 > ffffffff9800bed3 > [ 14.942006] 0000000000000000 0000000000000000 ffff8e39a411fa70 > ffffffff97c82e61 > [ 14.942009] 00000d5d00000000 000000000000000b ffff8e39a9bfd580 > 00000000024040c0 > [ 14.942011] Call Trace: > [ 14.942017] [<ffffffff9800bed3>] dump_stack+0x63/0x90 > [ 14.942020] [<ffffffff97c82e61>] __warn+0xd1/0xf0 > [ 14.942023] [<ffffffff97c82f8d>] warn_slowpath_null+0x1d/0x20 > [ 14.942026] [<ffffffff97da6c98>] __alloc_pages_nodemask+0xa48/0xe70 > [ 14.942028] [<ffffffff97da63be>] ? > __alloc_pages_nodemask+0x16e/0xe70 > [ 14.942031] [<ffffffff97de5cc2>] ? alloc_vmap_area+0x92/0x3a0 > [ 14.942034] [<ffffffff97e0618b>] ? > kmem_cache_alloc_node_trace+0x13b/0x1d0 > [ 14.942036] [<ffffffff97de5f5f>] ? alloc_vmap_area+0x32f/0x3a0 > [ 14.942038] [<ffffffff97df989c>] alloc_pages_current+0x8c/0x110 > [ 14.942041] [<ffffffff97dc7458>] kmalloc_order+0x18/0x40 > [ 14.942043] [<ffffffff97dc74a4>] kmalloc_order_trace+0x24/0xa0 > [ 14.942046] [<ffffffff97e069a2>] ? __kmalloc+0x1a2/0x210 > [ 14.942048] [<ffffffff97e069a2>] __kmalloc+0x1a2/0x210 > [ 14.942050] [<ffffffff983043db>] cache_alloc+0x57b/0x930 > [ 14.942053] [<ffffffff98307523>] bch_register_cache_set+0x1f3/0x2e0 > [ 14.942055] [<ffffffff97e06973>] ? __kmalloc+0x173/0x210 > [ 14.942057] [<ffffffff982e8f71>] ? bch_mount+0x111/0x500 > [ 14.942058] [<ffffffff982e8fd9>] bch_mount+0x179/0x500 > [ 14.942062] [<ffffffff97e31c88>] mount_fs+0x38/0x170 > [ 14.942063] [<ffffffff97dc5a95>] ? __alloc_percpu+0x15/0x20 > [ 14.942066] [<ffffffff97e4f5b7>] vfs_kern_mount+0x67/0x110 > [ 14.942068] [<ffffffff97e51cf5>] do_mount+0x1e5/0xcb0 > [ 14.942072] [<ffffffff97e29911>] ? __check_object_size+0x111/0x1e2 > [ 14.942075] [<ffffffff97dbfdff>] ? memdup_user+0x4f/0x70 > [ 14.942077] [<ffffffff97e52ac4>] SyS_mount+0x94/0xd0 > [ 14.942079] [<ffffffff984af5b6>] entry_SYSCALL_64_fastpath+0x1e/0xa8 > [ 14.942081] ---[ end trace 30b883f5ea0d9503 ]--- > > After every boot which has no apparent consequence (no read or write > errors or performance issues). > > Maybe another message to be silenced? > This message comes from the kernel memory manager, so it probably was a failed allocation and bcache succeeded to allocate by some other means (e.g. vmalloc vs kmalloc). I don't think the message cannot be supressed from bcache. -- Eric Wheeler > -Kalle > > -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
