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Message-ID: <CALaQ_hppes_dHvxsp5V045MVjS2Poq=GLp6UMhJYZavf5eC60Q@mail.gmail.com> Date: Sun, 6 Jan 2019 13:17:04 -0600 From: Nathan Royce <nroycea+kernel@...il.com> To: linux-kernel@...r.kernel.org Cc: linux-mm@...ck.org, catalin.marinas@....com Subject: Re: kmemleak: Cannot allocate a kmemleak_object structure - Kernel 4.19.13 Now it just looks like it crashes on it's own with no issues from anything else (note the surrounding event entries which is just the temperature sensor.): ***** Jan 06 03:27:03 computername plasmashell[1065]: qml: temp unit: 0 Jan 06 03:27:09 computername plasmashell[1065]: qml: temp unit: 0 Jan 06 03:27:12 computername plasmashell[1065]: qml: temp unit: 0 Jan 06 03:27:14 computername kernel: WARNING: CPU: 0 PID: 24136 at mm/page_alloc.c:4254 __alloc_pages_nodemask+0xf52/0xfb0 Jan 06 03:27:16 computername kernel: Modules linked in: ext4 mbcache jbd2 fscrypto rfcomm ccm bnep nct6775 hwmon_vid nls_iso8859_1 nls_cp437 vfat fat tda18271 au8522_dig au8522_common au0828 tveeprom dvb_core v4l2_common videobuf2_vmalloc videobuf2_memops arc4 videobuf2_v4l2 > Jan 06 03:27:16 computername kernel: snd_pcm_dmaengine snd_hwdep snd_pcm snd_timer mdio i2c_i801 snd evdev pcc_cpufreq mac_hid mei_me lpc_ich soundcore mei crypto_user ip_tables x_tables serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 serpent_generic xts algif_skcipher a> Jan 06 03:27:16 computername kernel: CPU: 0 PID: 24136 Comm: kworker/u9:2 Tainted: G W 4.19.13-dirty #2 Jan 06 03:27:16 computername kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H97M-ITX/ac, BIOS P1.80 07/27/2015 Jan 06 03:27:16 computername kernel: Workqueue: kcryptd kcryptd_crypt [dm_crypt] Jan 06 03:27:16 computername kernel: RIP: 0010:__alloc_pages_nodemask+0xf52/0xfb0 Jan 06 03:27:16 computername kernel: Code: c7 44 24 54 00 00 00 00 25 ff ff f7 ff 89 44 24 18 e9 ea f3 ff ff 48 89 9c 24 80 00 00 00 e9 ad f3 ff ff 0f 0b e9 dc fc ff ff <0f> 0b 48 8b b4 24 80 00 00 00 8b 7c 24 18 44 89 f1 48 c7 c2 40 9e Jan 06 03:27:16 computername kernel: RSP: 0018:ffffae528d43f9d0 EFLAGS: 00010046 Jan 06 03:27:16 computername kernel: RAX: 0000000000000000 RBX: 0000000000400000 RCX: 0000000000000000 Jan 06 03:27:16 computername kernel: RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff9fa15fdfc000 Jan 06 03:27:16 computername kernel: RBP: 0000000000000000 R08: 0000000000000040 R09: 0000000000000f82 Jan 06 03:27:16 computername kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 Jan 06 03:27:16 computername kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Jan 06 03:27:16 computername kernel: FS: 0000000000000000(0000) GS:ffff9fa158000000(0000) knlGS:0000000000000000 Jan 06 03:27:16 computername kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 06 03:27:16 computername kernel: CR2: 00007f4770001a90 CR3: 000000018c80a006 CR4: 00000000001606f0 Jan 06 03:27:16 computername kernel: Call Trace: Jan 06 03:27:16 computername kernel: ? __switch_to_asm+0x34/0x70 Jan 06 03:27:16 computername kernel: ? kcryptd_crypt+0x1d1/0x3a0 [dm_crypt] Jan 06 03:27:16 computername kernel: ? kcryptd_crypt+0x1d1/0x3a0 [dm_crypt] Jan 06 03:27:16 computername kernel: ? orc_find+0x108/0x190 Jan 06 03:27:16 computername kernel: ? ret_from_fork+0x35/0x40 Jan 06 03:27:16 computername kernel: new_slab+0x2fb/0x6f0 Jan 06 03:27:16 computername kernel: ? _raw_spin_lock+0x13/0x40 Jan 06 03:27:16 computername kernel: ? deactivate_slab.isra.27+0x5b4/0x690 Jan 06 03:27:16 computername kernel: ___slab_alloc+0x43f/0x630 Jan 06 03:27:16 computername kernel: ? create_object+0x43/0x2a0 Jan 06 03:27:16 computername kernel: ? ___slab_alloc+0x58d/0x630 Jan 06 03:27:16 computername kernel: ? create_object+0x43/0x2a0 Jan 06 03:27:16 computername kernel: __slab_alloc.isra.28+0x52/0x70 Jan 06 03:27:16 computername kernel: ? create_object+0x43/0x2a0 Jan 06 03:27:16 computername kernel: kmem_cache_alloc+0x1c5/0x210 Jan 06 03:27:16 computername kernel: ? mempool_alloc+0x65/0x180 Jan 06 03:27:16 computername kernel: create_object+0x43/0x2a0 Jan 06 03:27:16 computername kernel: ? mempool_alloc+0x65/0x180 Jan 06 03:27:16 computername kernel: kmem_cache_alloc+0x1a6/0x210 Jan 06 03:27:16 computername kernel: ? wait_woken+0x80/0x80 Jan 06 03:27:16 computername kernel: mempool_alloc+0x65/0x180 Jan 06 03:27:16 computername kernel: ? wait_woken+0x80/0x80 Jan 06 03:27:16 computername kernel: ? mempool_alloc+0x65/0x180 Jan 06 03:27:16 computername kernel: ? tracing_record_taskinfo+0xe/0xa0 Jan 06 03:27:16 computername kernel: bvec_alloc+0x82/0xe0 Jan 06 03:27:16 computername kernel: bio_alloc_bioset+0x1b6/0x220 Jan 06 03:27:16 computername kernel: kcryptd_crypt+0x1d1/0x3a0 [dm_crypt] Jan 06 03:27:16 computername kernel: process_one_work+0x1eb/0x410 Jan 06 03:27:16 computername kernel: worker_thread+0x2d/0x3d0 Jan 06 03:27:16 computername kernel: ? process_one_work+0x410/0x410 Jan 06 03:27:16 computername kernel: kthread+0x112/0x130 Jan 06 03:27:16 computername kernel: ? kthread_park+0x80/0x80 Jan 06 03:27:16 computername kernel: ret_from_fork+0x35/0x40 Jan 06 03:27:16 computername kernel: ---[ end trace ded91f3b1e5201b6 ]--- Jan 06 03:27:16 computername kernel: kmemleak: Cannot allocate a kmemleak_object structure Jan 06 03:27:16 computername kernel: kmemleak: Kernel memory leak detector disabled Jan 06 03:27:16 computername kernel: kmemleak: Automatic memory scanning thread ended Jan 06 03:27:16 computername kernel: kmemleak: Kmemleak disabled without freeing internal data. Reclaim the memory with "echo clear > /sys/kernel/debug/kmemleak". Jan 06 03:27:15 computername plasmashell[1065]: qml: temp unit: 0 Jan 06 03:27:21 computername plasmashell[1065]: qml: temp unit: 0 Jan 06 03:27:24 computername plasmashell[1065]: qml: temp unit: 0 ***** On Tue, Jan 1, 2019 at 7:04 PM Nathan Royce <nroycea+kernel@...il.com> wrote: > > It was unrelated to my USB issue. It happened again after I rebooted > within 4 hours of uptime. > This time there were 2 traces, one right after the other and included > another line number. > ***** > Jan 01 17:47:54 computername plasmashell[1048]: qt.qpa.xcb: > QXcbConnection: XCB error: 2 (BadValue), sequence: 45625, resource id: > 69206018, major code: 142 (Unknown), minor code: 3 > Jan 01 17:50:14 computername kernel: WARNING: CPU: 3 PID: 2154 at > mm/page_alloc.c:4262 __alloc_pages_nodemask+0xf74/0xfb0 > Jan 01 17:50:15 computername kernel: Modules linked in: rfcomm ccm > bnep nct6775 hwmon_vid nls_iso8859_1 nls_cp437 vfat fat tda18271 > au8522_dig au8522_common au0828 tveeprom dvb_core arc4 v4l2_common > intel_rapl snd_soc_rt5640 iTCO_wdt rtl8821ae x86_pkg_temp_thermal > btcoexist i> > Jan 01 17:50:16 computername kernel: soundcore mei_me lpc_ich mei > crypto_user ip_tables x_tables serpent_avx2 serpent_avx_x86_64 > serpent_sse2_x86_64 serpent_generic xts algif_skcipher af_alg uas > usb_storage dm_crypt dm_mod sr_mod cdrom sd_mod hid_logitech_hidpp > hid_logitech_> > Jan 01 17:50:16 computername kernel: CPU: 3 PID: 2154 Comm: > PeripBusCEC Not tainted 4.19.13-dirty #2 > Jan 01 17:50:16 computername kernel: Hardware name: To Be Filled By > O.E.M. To Be Filled By O.E.M./H97M-ITX/ac, BIOS P1.80 07/27/2015 > Jan 01 17:50:16 computername kernel: RIP: > 0010:__alloc_pages_nodemask+0xf74/0xfb0 > Jan 01 17:50:16 computername kernel: Code: ff 0f 0b e9 dc fc ff ff 0f > 0b 48 8b b4 24 80 00 00 00 8b 7c 24 18 44 89 f1 48 c7 c2 40 9e 4a b6 > e8 91 ef ff ff e9 d3 f1 ff ff <0f> 0b e9 a9 fc ff ff e8 c0 7f ea ff 85 > d2 0f 85 15 fd ff ff 48 c7 > Jan 01 17:50:16 computername kernel: RSP: 0018:ffff999e032731e0 EFLAGS: 00010202 > Jan 01 17:50:16 computername kernel: RAX: ffff8bbcbabc0040 RBX: > 0000000000400000 RCX: 0000000000200000 > Jan 01 17:50:16 computername kernel: RDX: 0000000000000000 RSI: > 0000000000000002 RDI: ffff8bbd9fdfc000 > Jan 01 17:50:16 computername kernel: RBP: 0000000000200000 R08: > 0000000000000040 R09: 0000000000000f82 > Jan 01 17:50:16 computername kernel: R10: 0000000000200000 R11: > 0000000000000000 R12: 0000000000000000 > Jan 01 17:50:16 computername kernel: R13: 0000000000000000 R14: > 0000000000000000 R15: 0000000000000000 > Jan 01 17:50:16 computername kernel: FS: 00007f9515642700(0000) > GS:ffff8bbd98180000(0000) knlGS:0000000000000000 > Jan 01 17:50:16 computername kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > 0000000080050033 > Jan 01 17:50:16 computername kernel: CR2: 00007fdbd95b1000 CR3: > 000000011087c003 CR4: 00000000001626e0 > Jan 01 17:50:16 computername kernel: Call Trace: > Jan 01 17:50:16 computername kernel: ? ___slab_alloc+0x43f/0x630 > Jan 01 17:50:16 computername kernel: ? orc_find+0x108/0x190 > Jan 01 17:50:16 computername kernel: ? kmem_cache_alloc+0x1c5/0x210 > Jan 01 17:50:16 computername kernel: ? unwind_next_frame+0x2f8/0x460 > Jan 01 17:50:16 computername kernel: new_slab+0x2fb/0x6f0 > Jan 01 17:50:16 computername kernel: ? _raw_spin_unlock+0x16/0x30 > Jan 01 17:50:16 computername kernel: ? deactivate_slab.isra.27+0x5b4/0x690 > Jan 01 17:50:16 computername kernel: ___slab_alloc+0x43f/0x630 > Jan 01 17:50:16 computername kernel: ? alloc_extent_state+0x1f/0xd0 [btrfs] > Jan 01 17:50:16 computername kernel: ? create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: ? ___slab_alloc+0x58d/0x630 > Jan 01 17:50:16 computername kernel: ? create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: __slab_alloc.isra.28+0x52/0x70 > Jan 01 17:50:16 computername kernel: ? create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: kmem_cache_alloc+0x1c5/0x210 > Jan 01 17:50:16 computername kernel: ? alloc_extent_state+0x1f/0xd0 [btrfs] > Jan 01 17:50:16 computername kernel: create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: ? alloc_extent_state+0x1f/0xd0 [btrfs] > Jan 01 17:50:16 computername kernel: kmem_cache_alloc+0x1a6/0x210 > Jan 01 17:50:16 computername kernel: alloc_extent_state+0x1f/0xd0 [btrfs] > Jan 01 17:50:16 computername kernel: __clear_extent_bit+0x297/0x390 [btrfs] > Jan 01 17:50:16 computername kernel: ? _raw_spin_unlock+0x16/0x30 > Jan 01 17:50:16 computername kernel: > try_release_extent_mapping+0x1b4/0x220 [btrfs] > Jan 01 17:50:16 computername kernel: btrfs_releasepage+0x45/0x60 [btrfs] > Jan 01 17:50:16 computername kernel: shrink_page_list+0xb20/0xc80 > Jan 01 17:50:16 computername kernel: shrink_inactive_list+0x29f/0x6b0 > Jan 01 17:50:16 computername kernel: shrink_node_memcg+0x20f/0x780 > Jan 01 17:50:16 computername kernel: shrink_node+0xcf/0x4a0 > Jan 01 17:50:16 computername kernel: do_try_to_free_pages+0xc6/0x370 > Jan 01 17:50:16 computername kernel: try_to_free_pages+0xca/0x1e0 > Jan 01 17:50:16 computername kernel: __alloc_pages_nodemask+0x616/0xfb0 > Jan 01 17:50:16 computername kernel: ? __kernel_text_address+0xe/0x30 > Jan 01 17:50:16 computername kernel: ? unwind_get_return_address+0x1b/0x30 > Jan 01 17:50:16 computername kernel: ? __save_stack_trace+0x92/0x100 > Jan 01 17:50:16 computername kernel: new_slab+0x2fb/0x6f0 > Jan 01 17:50:16 computername kernel: ___slab_alloc+0x43f/0x630 > Jan 01 17:50:16 computername kernel: ? __alloc_file+0x2a/0xe0 > Jan 01 17:50:16 computername kernel: ? unwind_get_return_address+0x1b/0x30 > Jan 01 17:50:16 computername kernel: ? preempt_count_add+0x79/0xb0 > Jan 01 17:50:16 computername kernel: ? _raw_spin_lock+0x13/0x40 > Jan 01 17:50:16 computername kernel: ? _raw_spin_unlock+0x16/0x30 > Jan 01 17:50:16 computername kernel: ? deactivate_slab.isra.27+0x5b4/0x690 > Jan 01 17:50:16 computername kernel: ? __alloc_file+0x2a/0xe0 > Jan 01 17:50:16 computername kernel: __slab_alloc.isra.28+0x52/0x70 > Jan 01 17:50:16 computername kernel: ? __alloc_file+0x2a/0xe0 > Jan 01 17:50:16 computername kernel: kmem_cache_alloc+0x1c5/0x210 > Jan 01 17:50:16 computername kernel: __alloc_file+0x2a/0xe0 > Jan 01 17:50:16 computername kernel: alloc_empty_file+0x43/0xc0 > Jan 01 17:50:16 computername kernel: ? getname_flags+0x4a/0x1e0 > Jan 01 17:50:16 computername kernel: path_openat+0x4c/0x14e0 > Jan 01 17:50:16 computername kernel: ? is_bpf_text_address+0x1e/0x30 > Jan 01 17:50:16 computername kernel: ? kernel_text_address+0xe5/0xf0 > Jan 01 17:50:16 computername kernel: ? __kernel_text_address+0xe/0x30 > Jan 01 17:50:16 computername kernel: ? unwind_get_return_address+0x1b/0x30 > Jan 01 17:50:16 computername kernel: ? __save_stack_trace+0x92/0x100 > Jan 01 17:50:16 computername kernel: do_filp_open+0x93/0x100 > Jan 01 17:50:16 computername kernel: ? preempt_count_add+0x79/0xb0 > Jan 01 17:50:16 computername kernel: ? _raw_write_lock_irqsave+0x25/0x50 > Jan 01 17:50:16 computername kernel: ? _raw_write_unlock_irqrestore+0x1c/0x30 > Jan 01 17:50:16 computername kernel: ? create_object+0x249/0x2a0 > Jan 01 17:50:16 computername kernel: ? __check_object_size+0x102/0x189 > Jan 01 17:50:16 computername kernel: ? _raw_spin_unlock+0x16/0x30 > Jan 01 17:50:16 computername kernel: do_sys_open+0x186/0x210 > Jan 01 17:50:16 computername kernel: do_syscall_64+0x5b/0x170 > Jan 01 17:50:16 computername kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 > Jan 01 17:50:16 computername kernel: RIP: 0033:0x7f9551bb8976 > Jan 01 17:50:16 computername kernel: Code: 89 54 24 08 e8 7b f4 ff ff > 8b 74 24 0c 48 8b 3c 24 41 89 c0 44 8b 54 24 08 b8 01 01 00 00 89 f2 > 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 30 44 89 c7 89 44 > 24 08 e8 a6 f4 ff ff 8b 44 > Jan 01 17:50:16 computername kernel: RSP: 002b:00007f951563c0d0 > EFLAGS: 00000293 ORIG_RAX: 0000000000000101 > Jan 01 17:50:16 computername kernel: RAX: ffffffffffffffda RBX: > 00007f94f80adb40 RCX: 00007f9551bb8976 > Jan 01 17:50:16 computername kernel: RDX: 00000000002a0000 RSI: > 00007f954f9693da RDI: 00000000ffffff9c > Jan 01 17:50:16 computername kernel: RBP: 00007f951563c2b0 R08: > 0000000000000000 R09: 0000000000000018 > Jan 01 17:50:16 computername kernel: R10: 0000000000000000 R11: > 0000000000000293 R12: 0000000000000000 > Jan 01 17:50:16 computername kernel: R13: 00007f94f80e4640 R14: > 0000000000000001 R15: 000000000000000a > Jan 01 17:50:16 computername kernel: ---[ end trace 2a9048666fdb2310 ]--- > Jan 01 17:50:16 computername kernel: WARNING: CPU: 0 PID: 12528 at > mm/page_alloc.c:4254 __alloc_pages_nodemask+0xf52/0xfb0 > Jan 01 17:50:16 computername kernel: Modules linked in: rfcomm ccm > bnep nct6775 hwmon_vid nls_iso8859_1 nls_cp437 vfat fat tda18271 > au8522_dig au8522_common au0828 tveeprom dvb_core arc4 v4l2_common > intel_rapl snd_soc_rt5640 iTCO_wdt rtl8821ae x86_pkg_temp_thermal > btcoexist i> > Jan 01 17:50:16 computername kernel: soundcore mei_me lpc_ich mei > crypto_user ip_tables x_tables serpent_avx2 serpent_avx_x86_64 > serpent_sse2_x86_64 serpent_generic xts algif_skcipher af_alg uas > usb_storage dm_crypt dm_mod sr_mod cdrom sd_mod hid_logitech_hidpp > hid_logitech_> > Jan 01 17:50:16 computername kernel: CPU: 0 PID: 12528 Comm: > kworker/u9:5 Tainted: G W 4.19.13-dirty #2 > Jan 01 17:50:16 computername kernel: Hardware name: To Be Filled By > O.E.M. To Be Filled By O.E.M./H97M-ITX/ac, BIOS P1.80 07/27/2015 > Jan 01 17:50:16 computername kernel: Workqueue: kcryptd kcryptd_crypt [dm_crypt] > Jan 01 17:50:16 computername kernel: RIP: > 0010:__alloc_pages_nodemask+0xf52/0xfb0 > Jan 01 17:50:16 computername kernel: Code: c7 44 24 54 00 00 00 00 25 > ff ff f7 ff 89 44 24 18 e9 ea f3 ff ff 48 89 9c 24 80 00 00 00 e9 ad > f3 ff ff 0f 0b e9 dc fc ff ff <0f> 0b 48 8b b4 24 80 00 00 00 8b 7c 24 > 18 44 89 f1 48 c7 c2 40 9e > Jan 01 17:50:16 computername kernel: RSP: 0018:ffff999e030ef9f0 EFLAGS: 00010046 > Jan 01 17:50:16 computername kernel: RAX: 0000000000000000 RBX: > 0000000000400000 RCX: 0000000000000000 > Jan 01 17:50:16 computername kernel: RDX: 0000000000000000 RSI: > 0000000000000002 RDI: ffff8bbd9fdfc000 > Jan 01 17:50:16 computername kernel: RBP: 0000000000000000 R08: > 0000000000000040 R09: 0000000000000f82 > Jan 01 17:50:16 computername kernel: R10: 0000000000000000 R11: > 0000000000000000 R12: 0000000000000000 > Jan 01 17:50:16 computername kernel: R13: 0000000000000000 R14: > 0000000000000000 R15: 0000000000000000 > Jan 01 17:50:16 computername kernel: FS: 0000000000000000(0000) > GS:ffff8bbd98000000(0000) knlGS:0000000000000000 > Jan 01 17:50:16 computername kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > 0000000080050033 > Jan 01 17:50:16 computername kernel: CR2: 00005636c5b233d0 CR3: > 0000000150a0a006 CR4: 00000000001626f0 > Jan 01 17:50:16 computername kernel: Call Trace: > Jan 01 17:50:16 computername kernel: ? orc_find+0x108/0x190 > Jan 01 17:50:16 computername kernel: ? unwind_next_frame+0x121/0x460 > Jan 01 17:50:16 computername kernel: ? kcryptd_crypt+0x1d1/0x3a0 [dm_crypt] > Jan 01 17:50:16 computername kernel: ? _raw_spin_lock+0x2e/0x40 > Jan 01 17:50:16 computername kernel: ? _raw_spin_unlock+0x16/0x30 > Jan 01 17:50:16 computername kernel: new_slab+0x2fb/0x6f0 > Jan 01 17:50:16 computername kernel: ? _raw_spin_lock+0x13/0x40 > Jan 01 17:50:16 computername kernel: ? deactivate_slab.isra.27+0x5b4/0x690 > Jan 01 17:50:16 computername kernel: ___slab_alloc+0x43f/0x630 > Jan 01 17:50:16 computername kernel: ? create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: ? ___slab_alloc+0x58d/0x630 > Jan 01 17:50:16 computername kernel: ? create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: __slab_alloc.isra.28+0x52/0x70 > Jan 01 17:50:16 computername kernel: ? create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: kmem_cache_alloc+0x1c5/0x210 > Jan 01 17:50:16 computername kernel: ? mempool_alloc+0x65/0x180 > Jan 01 17:50:16 computername kernel: create_object+0x43/0x2a0 > Jan 01 17:50:16 computername kernel: ? mempool_alloc+0x65/0x180 > Jan 01 17:50:16 computername kernel: kmem_cache_alloc+0x1a6/0x210 > Jan 01 17:50:16 computername kernel: ? wait_woken+0x80/0x80 > Jan 01 17:50:16 computername kernel: mempool_alloc+0x65/0x180 > Jan 01 17:50:16 computername kernel: ? crypt_convert+0x96b/0xf50 [dm_crypt] > Jan 01 17:50:16 computername kernel: bio_alloc_bioset+0x14c/0x220 > Jan 01 17:50:16 computername kernel: ? _raw_spin_lock_irqsave+0x25/0x50 > Jan 01 17:50:16 computername kernel: kcryptd_crypt+0x1d1/0x3a0 [dm_crypt] > Jan 01 17:50:16 computername kernel: process_one_work+0x1eb/0x410 > Jan 01 17:50:16 computername kernel: worker_thread+0x2d/0x3d0 > Jan 01 17:50:16 computername kernel: ? process_one_work+0x410/0x410 > Jan 01 17:50:16 computername kernel: kthread+0x112/0x130 > Jan 01 17:50:16 computername kernel: ? kthread_park+0x80/0x80 > Jan 01 17:50:16 computername kernel: ret_from_fork+0x35/0x40 > Jan 01 17:50:16 computername kernel: ---[ end trace 2a9048666fdb2311 ]--- > Jan 01 17:50:16 computername kernel: kmemleak: Cannot allocate a > kmemleak_object structure > Jan 01 17:50:16 computername kernel: kmemleak: Kernel memory leak > detector disabled > Jan 01 17:50:16 computername kernel: kmemleak: Automatic memory > scanning thread ended > Jan 01 17:50:16 computername kernel: kmemleak: Kmemleak disabled > without freeing internal data. Reclaim the memory with "echo clear > > /sys/kernel/debug/kmemleak". > Jan 01 17:50:25 computername plasmashell[1048]: qt.qpa.xcb: > QXcbConnection: XCB error: 2 (BadValue), sequence: 47417, resource id: > 71303170, major code: 142 (Unknown), minor code: 3 > ***** > > On Tue, Jan 1, 2019 at 1:17 PM Nathan Royce <nroycea+kernel@...il.com> wrote: > > > > Kernel 4.19.13 > > > > ***** > > Jan 01 02:04:20 computername kernel: xhci_hcd 0000:00:14.0: ERROR > > unknown event type 37 > > Jan 01 02:04:20 computername kernel: WARNING: CPU: 2 PID: 2236 at > > mm/page_alloc.c:4254 __alloc_pages_nodemask+0xf52/0xfb0 > > Jan 01 02:04:20 computername kernel: Modules linked in: rfcomm ccm > > bnep nct6775 hwmon_vid nls_iso8859_1 nls_cp437 vfat fat tda18271 > > au8522_dig au8522_common au0828 snd_usb_audio tveeprom snd_usbmidi_lib > > dvb_core mousedev snd_rawmidi snd_seq_device btusb v4l2_common btrtl > > vide> > > Jan 01 02:04:20 computername kernel: llc intel_rapl_perf soundcore > > alx i2c_i801 mdio evdev lpc_ich mei_me mei pcc_cpufreq mac_hid > > crypto_user ip_tables x_tables serpent_avx2 serpent_avx_x86_64 > > serpent_sse2_x86_64 serpent_generic xts algif_skcipher af_alg uas > > usb_storage dm_c> > > Jan 01 02:04:20 computername kernel: CPU: 2 PID: 2236 Comm: > > MainLoopThread Tainted: G W 4.19.13-dirty #2 > > Jan 01 02:04:20 computername kernel: Hardware name: To Be Filled By > > O.E.M. To Be Filled By O.E.M./H97M-ITX/ac, BIOS P1.80 07/27/2015 > > Jan 01 02:04:20 computername kernel: RIP: > > 0010:__alloc_pages_nodemask+0xf52/0xfb0 > > Jan 01 02:04:20 computername kernel: Code: c7 44 24 54 00 00 00 00 25 > > ff ff f7 ff 89 44 24 18 e9 ea f3 ff ff 48 89 9c 24 80 00 00 00 e9 ad > > f3 ff ff 0f 0b e9 dc fc ff ff <0f> 0b 48 8b b4 24 80 00 00 00 8b 7c 24 > > 18 44 89 f1 48 c7 c2 40 9e > > Jan 01 02:04:20 computername kernel: RSP: 0018:ffffaf9f81066e90 EFLAGS: 00010046 > > Jan 01 02:04:20 computername kernel: RAX: 0000000000000000 RBX: > > 0000000000400000 RCX: 0000000000000000 > > Jan 01 02:04:20 computername kernel: RDX: 0000000000000000 RSI: > > 0000000000000002 RDI: ffff9d26dfdfc000 > > Jan 01 02:04:20 computername kernel: RBP: 0000000000000000 R08: > > 0000000000000040 R09: 0000000000000f82 > > Jan 01 02:04:20 computername kernel: R10: 0000000000000000 R11: > > 0000000000000000 R12: 0000000000000000 > > Jan 01 02:04:20 computername kernel: R13: 0000000000000000 R14: > > 0000000000000000 R15: 0000000000000000 > > Jan 01 02:04:20 computername kernel: FS: 00007f7db94d5700(0000) > > GS:ffff9d26d8100000(0000) knlGS:0000000000000000 > > Jan 01 02:04:20 computername kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > > 0000000080050033 > > Jan 01 02:04:20 computername kernel: CR2: 0000000092c9da10 CR3: > > 00000001baefe002 CR4: 00000000001626e0 > > Jan 01 02:04:20 computername kernel: Call Trace: > > Jan 01 02:04:20 computername kernel: ? > > __dm_make_request.isra.18+0x3f/0xa0 [dm_mod] > > Jan 01 02:04:20 computername kernel: ? orc_find+0x108/0x190 > > Jan 01 02:04:20 computername kernel: ? do_try_to_free_pages+0xc6/0x370 > > Jan 01 02:04:20 computername kernel: new_slab+0x2fb/0x6f0 > > Jan 01 02:04:20 computername kernel: ? _raw_spin_lock+0x13/0x40 > > Jan 01 02:04:20 computername kernel: ? deactivate_slab.isra.27+0x5b4/0x690 > > Jan 01 02:04:20 computername kernel: ___slab_alloc+0x43f/0x630 > > Jan 01 02:04:20 computername kernel: ? create_object+0x43/0x2a0 > > Jan 01 02:04:20 computername kernel: ? ___slab_alloc+0x58d/0x630 > > Jan 01 02:04:20 computername kernel: ? create_object+0x43/0x2a0 > > Jan 01 02:04:20 computername kernel: __slab_alloc.isra.28+0x52/0x70 > > Jan 01 02:04:20 computername kernel: ? create_object+0x43/0x2a0 > > Jan 01 02:04:20 computername kernel: kmem_cache_alloc+0x1c5/0x210 > > Jan 01 02:04:20 computername kernel: ? mempool_alloc+0x65/0x180 > > Jan 01 02:04:20 computername kernel: create_object+0x43/0x2a0 > > Jan 01 02:04:20 computername kernel: ? mempool_alloc+0x65/0x180 > > Jan 01 02:04:20 computername kernel: kmem_cache_alloc+0x1a6/0x210 > > Jan 01 02:04:20 computername kernel: ? wait_woken+0x80/0x80 > > Jan 01 02:04:20 computername kernel: mempool_alloc+0x65/0x180 > > Jan 01 02:04:20 computername kernel: ? __process_bio+0x170/0x170 [dm_mod] > > Jan 01 02:04:20 computername kernel: bio_alloc_bioset+0x14c/0x220 > > Jan 01 02:04:20 computername kernel: ? create_object+0x249/0x2a0 > > Jan 01 02:04:20 computername kernel: ? __process_bio+0x170/0x170 [dm_mod] > > Jan 01 02:04:20 computername kernel: alloc_io+0x24/0x120 [dm_mod] > > Jan 01 02:04:20 computername kernel: > > __split_and_process_bio+0x53/0x1a0 [dm_mod] > > Jan 01 02:04:20 computername kernel: ? generic_make_request_checks+0x49a/0x6f0 > > Jan 01 02:04:20 computername kernel: ? blk_queue_enter+0x233/0x260 > > Jan 01 02:04:20 computername kernel: > > __dm_make_request.isra.18+0x3f/0xa0 [dm_mod] > > Jan 01 02:04:20 computername kernel: generic_make_request+0x1b9/0x3d0 > > Jan 01 02:04:20 computername kernel: ? __se_sys_madvise.cold.2+0xbd/0xbd > > Jan 01 02:04:20 computername kernel: submit_bio+0x45/0x140 > > Jan 01 02:04:20 computername kernel: __swap_writepage+0x133/0x3c0 > > Jan 01 02:04:20 computername kernel: ? __frontswap_store+0x6e/0xf0 > > Jan 01 02:04:20 computername kernel: shmem_writepage+0x229/0x310 > > Jan 01 02:04:20 computername kernel: pageout.isra.11+0x117/0x350 > > Jan 01 02:04:20 computername kernel: shrink_page_list+0x7ea/0xc80 > > Jan 01 02:04:20 computername kernel: shrink_inactive_list+0x29f/0x6b0 > > Jan 01 02:04:20 computername kernel: shrink_node_memcg+0x20f/0x780 > > Jan 01 02:04:20 computername kernel: shrink_node+0xcf/0x4a0 > > Jan 01 02:04:20 computername kernel: do_try_to_free_pages+0xc6/0x370 > > Jan 01 02:04:20 computername kernel: try_to_free_pages+0xca/0x1e0 > > Jan 01 02:04:20 computername kernel: __alloc_pages_nodemask+0x616/0xfb0 > > Jan 01 02:04:20 computername kernel: ? reweight_entity+0x15b/0x1a0 > > Jan 01 02:04:20 computername kernel: ? check_preempt_wakeup+0x113/0x230 > > Jan 01 02:04:20 computername kernel: __get_free_pages+0xd/0x30 > > Jan 01 02:04:20 computername kernel: __pollwait+0x8a/0xd0 > > Jan 01 02:04:20 computername kernel: tcp_poll+0x3a/0x260 > > Jan 01 02:04:20 computername kernel: sock_poll+0x83/0xb0 > > Jan 01 02:04:20 computername kernel: do_sys_poll+0x252/0x520 > > Jan 01 02:04:20 computername kernel: ? ioapic_service+0x117/0x140 [kvm] > > Jan 01 02:04:20 computername kernel: ? poll_initwait+0x40/0x40 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: ? > > compat_poll_select_copy_remaining+0x150/0x150 > > Jan 01 02:04:20 computername kernel: __se_sys_ppoll+0x154/0x180 > > Jan 01 02:04:20 computername kernel: ? ksys_ioctl+0x71/0x90 > > Jan 01 02:04:20 computername kernel: do_syscall_64+0x5b/0x170 > > Jan 01 02:04:20 computername kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > Jan 01 02:04:20 computername kernel: RIP: 0033:0x7f7dc5d22d16 > > Jan 01 02:04:20 computername kernel: Code: 7c 24 08 e8 6c 84 01 00 41 > > b8 08 00 00 00 4c 8b 54 24 18 48 89 da 41 89 c1 48 8b 74 24 10 48 8b > > 7c 24 08 b8 0f 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 44 89 cf 89 44 > > 24 08 e8 96 84 01 00 8b 44 > > Jan 01 02:04:20 computername kernel: RSP: 002b:00007f7db94d4540 > > EFLAGS: 00000293 ORIG_RAX: 000000000000010f > > Jan 01 02:04:20 computername kernel: RAX: ffffffffffffffda RBX: > > 00007f7db94d4560 RCX: 00007f7dc5d22d16 > > Jan 01 02:04:20 computername kernel: RDX: 00007f7db94d4560 RSI: > > 000000000000001d RDI: 00007f7da80ae750 > > Jan 01 02:04:20 computername kernel: RBP: 0000000000000000 R08: > > 0000000000000008 R09: 0000000000000000 > > Jan 01 02:04:20 computername kernel: R10: 0000000000000000 R11: > > 0000000000000293 R12: 00007f7db94d45bc > > Jan 01 02:04:20 computername kernel: R13: 00000000023c31c8 R14: > > 00007f7da80a92a0 R15: 00000000009826c9 > > Jan 01 02:04:20 computername kernel: ---[ end trace 8ed9f92f3ae55658 ]--- > > Jan 01 02:04:20 computername kernel: kmemleak: Cannot allocate a > > kmemleak_object structure > > Jan 01 02:04:20 computername kernel: kmemleak: Kernel memory leak > > detector disabled > > Jan 01 02:04:20 computername kernel: kmemleak: Automatic memory > > scanning thread ended > > Jan 01 02:04:20 computername kernel: kmemleak: Kmemleak disabled > > without freeing internal data. Reclaim the memory with "echo clear > > > /sys/kernel/debug/kmemleak". > > Jan 01 02:04:20 computername kernel: xhci_hcd 0000:00:14.0: ERROR > > unknown event type 37 > > ***** > > > > Reference Mail: kernel: xhci_hcd 0000:00:14.0: ERROR unknown event > > type 37 - Kernel 4.19.13 > > > > I had a leak somewhere and I was directed to look into SUnreclaim > > which was 5.5 GB after an uptime of a little over 1 month on an 8 GB > > system. kmalloc-2048 was a problem. > > I just had enough and needed to find out the cause for my lagging system. > > > > I finally upgraded from 4.18.16 to 4.19.13 and enabled kmemleak to > > hunt for the culprit. I don't think a day had elapsed before kmemleak > > crashed and disabled itself. > > > > I'm thinking my USB TV tuner or Intel USB controller may have been too > > much for kmemleak given it occured in the middle of one of the > > "unknown event type 37" log spams.
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