[ti helmi 4 04:51:04 2020] ------------[ cut here ]------------ [ti helmi 4 04:51:04 2020] workqueue: PF_MEMALLOC task 173(kswapd0) is flushing !WQ_MEM_RECLAIM events:gen6_pm_rps_work [i915] [ti helmi 4 04:51:04 2020] WARNING: CPU: 7 PID: 173 at /build/linux-hwe-22QmxS/linux-hwe-5.3.0/kernel/workqueue.c:2600 check_flush_dependency+0x115/0x130 [ti helmi 4 04:51:04 2020] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_multiport snd_usb_audio snd_usbmidi_lib mc hid_jabra nls_utf8 udf crc_itu_t xt_conntrack xt_MASQUERADE nfnetlink xfrm_user xfrm_algo iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype bpfilter overlay aufs vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc input_leds joydev intel_rapl_msr snd_hda_codec_hdmi hid_generic intel_rapl_common ses x86_pkg_temp_thermal enclosure intel_powerclamp scsi_transport_sas snd_hda_codec_realtek coretemp snd_hda_codec_generic ledtrig_audio kvm_intel usbhid kvm hid irqbypass mei_hdcp snd_hda_intel crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hda_core snd_hwdep ghash_clmulni_intel snd_pcm aesni_intel btrfs aes_x86_64 snd_seq_midi crypto_simd snd_seq_midi_event cryptd snd_rawmidi glue_helper xor zstd_compress intel_cstate i915 intel_rapl_perf snd_seq eeepc_wmi raid6_pq snd_seq_device libcrc32c snd_timer asus_wmi drm_kms_helper sparse_keymap wmi_bmof serio_raw snd drm [ti helmi 4 04:51:04 2020] soundcore mei_me i2c_algo_bit fb_sys_fops mei syscopyarea lpc_ich sysfillrect sysimgblt ie31200_edac mac_hid sch_fq_codel iptable_filter ip6table_filter ip6_tables br_netfilter bridge stp llc arp_tables parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage psmouse ahci r8169 3c59x libahci mii realtek wmi video [ti helmi 4 04:51:04 2020] CPU: 7 PID: 173 Comm: kswapd0 Tainted: G OE 5.3.0-28-generic #30~18.04.1-Ubuntu [ti helmi 4 04:51:04 2020] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 0610 05/08/2012 [ti helmi 4 04:51:04 2020] RIP: 0010:check_flush_dependency+0x115/0x130 [ti helmi 4 04:51:04 2020] Code: 0a 00 00 8b b6 c0 08 00 00 48 8d 8b b0 00 00 00 4d 89 e0 48 c7 c7 40 e6 f1 83 48 89 45 e0 c6 05 d7 ec 74 01 01 e8 8b 08 fe ff <0f> 0b 48 8b 45 e0 e9 46 ff ff ff 80 3d c0 ec 74 01 00 0f 85 39 ff [ti helmi 4 04:51:04 2020] RSP: 0018:ffffbb78402c37f8 EFLAGS: 00010082 [ti helmi 4 04:51:04 2020] RAX: 0000000000000000 RBX: ffff98577c80ce00 RCX: 0000000000000000 [ti helmi 4 04:51:04 2020] RDX: 0000000000000063 RSI: ffffffff8477cfa3 RDI: 0000000000000046 [ti helmi 4 04:51:04 2020] RBP: ffffbb78402c3818 R08: ffffffff8477cf40 R09: 0000000000029fc0 [ti helmi 4 04:51:04 2020] R10: 0000000000000000 R11: 00000000000000ad R12: ffffffffc07e05b0 [ti helmi 4 04:51:04 2020] R13: ffff98577bb31700 R14: ffff98577fd2f700 R15: ffffffff82cb7e80 [ti helmi 4 04:51:04 2020] FS: 0000000000000000(0000) GS:ffff98577fdc0000(0000) knlGS:0000000000000000 [ti helmi 4 04:51:04 2020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ti helmi 4 04:51:04 2020] CR2: 000001e3be0f2028 CR3: 0000000399c0a002 CR4: 00000000001606e0 [ti helmi 4 04:51:04 2020] Call Trace: [ti helmi 4 04:51:04 2020] __flush_work+0xf7/0x1e0 [ti helmi 4 04:51:04 2020] __cancel_work_timer+0x136/0x1b0 [ti helmi 4 04:51:04 2020] ? _cond_resched+0x19/0x40 [ti helmi 4 04:51:04 2020] ? synchronize_irq+0x3e/0xb0 [ti helmi 4 04:51:04 2020] cancel_work_sync+0x10/0x20 [ti helmi 4 04:51:04 2020] gen6_disable_rps_interrupts+0x8c/0xb0 [i915] [ti helmi 4 04:51:04 2020] gen6_rps_idle+0x1f/0xe0 [i915] [ti helmi 4 04:51:04 2020] intel_gt_park+0x89/0x90 [i915] [ti helmi 4 04:51:04 2020] __intel_wakeref_put_last+0x1c/0x50 [i915] [ti helmi 4 04:51:04 2020] intel_gt_pm_put+0x3f/0x50 [i915] [ti helmi 4 04:51:04 2020] __engine_park+0xc3/0xd0 [i915] [ti helmi 4 04:51:04 2020] __intel_wakeref_put_last+0x1c/0x50 [i915] [ti helmi 4 04:51:04 2020] intel_engine_pm_put+0x40/0x50 [i915] [ti helmi 4 04:51:04 2020] intel_context_exit_engine+0x12/0x20 [i915] [ti helmi 4 04:51:04 2020] i915_request_retire+0x196/0x330 [i915] [ti helmi 4 04:51:04 2020] ring_retire_requests+0x51/0x60 [i915] [ti helmi 4 04:51:04 2020] i915_retire_requests+0x42/0x90 [i915] [ti helmi 4 04:51:04 2020] i915_gem_shrink+0x3a4/0x5b0 [i915] [ti helmi 4 04:51:04 2020] i915_gem_shrinker_scan+0xf5/0x110 [i915] [ti helmi 4 04:51:04 2020] ? i915_gem_shrinker_scan+0xf5/0x110 [i915] [ti helmi 4 04:51:04 2020] do_shrink_slab+0x129/0x2e0 [ti helmi 4 04:51:04 2020] shrink_slab+0xd6/0x2a0 [ti helmi 4 04:51:04 2020] shrink_node+0xe2/0x480 [ti helmi 4 04:51:04 2020] balance_pgdat+0x293/0x5f0 [ti helmi 4 04:51:04 2020] kswapd+0x155/0x3e0 [ti helmi 4 04:51:04 2020] ? wait_woken+0x80/0x80 [ti helmi 4 04:51:04 2020] kthread+0x121/0x140 [ti helmi 4 04:51:04 2020] ? balance_pgdat+0x5f0/0x5f0 [ti helmi 4 04:51:04 2020] ? kthread_park+0xb0/0xb0 [ti helmi 4 04:51:04 2020] ret_from_fork+0x35/0x40 [ti helmi 4 04:51:04 2020] ---[ end trace 95e744687d852c0f ]---