Started happen to me few days ago as well. Happens with 4.15.0-34-generic and 4.15.0-34-generic.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1793997 Title: iwlwifi 0000:04:00.0: Queue 10 is active on fifo 2 and stuck for 10000 ms. SW [247, 164] HW [90, 90] FH TRB=0x05a5a5a5a Status in linux-signed package in Ubuntu: Incomplete Bug description: Every few days iwlwifi decides to stop working. Only recourse is restart. From syslog: Sep 24 11:42:10 bonobo kernel: [109525.538612] iwlwifi 0000:04:00.0: iwlwifi transaction failed, dumping registers Sep 24 11:42:10 bonobo kernel: [109525.538622] iwlwifi 0000:04:00.0: iwlwifi device config registers: Sep 24 11:42:10 bonobo kernel: [109525.538669] iwlwifi 0000:04:00.0: 00000000: 08b18086 00100000 028000bb 00000000 00000004 00000000 00000000 00000000 Sep 24 11:42:10 bonobo kernel: [109525.538674] iwlwifi 0000:04:00.0: 00000020: 00000000 00000000 00000000 40708086 00000000 000000c8 00000000 00000100 Sep 24 11:42:10 bonobo kernel: [109525.538677] iwlwifi 0000:04:00.0: iwlwifi device memory mapped registers: Sep 24 11:42:10 bonobo kernel: [109525.538709] iwlwifi 0000:04:00.0: 00000000: ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff Sep 24 11:42:10 bonobo kernel: [109525.538713] iwlwifi 0000:04:00.0: 00000020: ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff Sep 24 11:42:10 bonobo kernel: [109525.538719] iwlwifi 0000:04:00.0: iwlwifi device AER capability structure: Sep 24 11:42:10 bonobo kernel: [109525.538746] iwlwifi 0000:04:00.0: 00000000: 14010001 00100000 00000000 00462031 00003141 00002000 00000014 40000001 Sep 24 11:42:10 bonobo kernel: [109525.538749] iwlwifi 0000:04:00.0: 00000020: 0000000f ec100460 00000000 Sep 24 11:42:10 bonobo kernel: [109525.538752] iwlwifi 0000:04:00.0: iwlwifi parent port (0000:00:1c.3) config registers: Sep 24 11:42:10 bonobo kernel: [109525.538775] iwlwifi 0000:00:1c.3: 00000000: 8c168086 00100007 060400d5 00810010 00000000 00000000 00040400 200000f0 Sep 24 11:42:10 bonobo kernel: [109525.538779] iwlwifi 0000:00:1c.3: 00000020: ec10ec10 0001fff1 00000000 00000000 00000000 00000040 00000000 00100405 Sep 24 11:42:10 bonobo kernel: [109525.538784] ------------[ cut here ]------------ Sep 24 11:42:10 bonobo kernel: [109525.538785] Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff) Sep 24 11:42:10 bonobo kernel: [109525.538842] WARNING: CPU: 5 PID: 0 at /build/linux-SlLHxe/linux-4.15.0/drivers/net/wireless/intel/iwlwifi/pcie/trans.c:1973 iwl_trans_pcie_grab_nic_access+0xea/0xf0 [iwlwifi] Sep 24 11:42:10 bonobo kernel: [109525.538843] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache rfcomm ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 xt_comment vmnet(OE) pci_stub vmw_vsock_vmci_transport vsock xfrm_user vboxpci(OE) vmw_vmci xfrm4_tunnel tunnel4 vboxnetadp(OE) ipcomp xfrm_ipcomp vmmon(OE) vboxnetflt(OE) esp4 vboxdrv(OE) ah4 af_key xfrm_algo ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables devlink iptable_filter cmac bnep ec_sys binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) algif_skcipher af_alg dm_crypt intel_rapl x86_pkg_temp_thermal Sep 24 11:42:10 bonobo kernel: [109525.538898] intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd snd_hda_codec_hdmi arc4 intel_cstate snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_usb_audio snd_hda_core snd_usbmidi_lib snd_hwdep snd_pcm btusb btrtl snd_seq_midi btbcm snd_seq_midi_event btintel uvcvideo intel_rapl_perf bluetooth serio_raw snd_rawmidi videobuf2_vmalloc iwlmvm mxm_wmi mac80211 rtsx_pci_ms videobuf2_memops ecdh_generic input_leds iwlwifi snd_seq videobuf2_v4l2 memstick videobuf2_core cfg80211 snd_seq_device videodev snd_timer media joydev snd mei_me soundcore nvidia_uvm(POE) mei mac_hid ie31200_edac shpchp lpc_ich wmi_bmof sch_fq_codel parport_pc ppdev sunrpc lp parport ip_tables Sep 24 11:42:10 bonobo kernel: [109525.538952] x_tables autofs4 btrfs xor zstd_compress raid6_pq dm_mirror dm_region_hash dm_log hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) rtsx_pci_sdmmc nvidia(POE) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm rtsx_pci psmouse ahci r8169 libahci ipmi_devintf mii ipmi_msghandler video wmi Sep 24 11:42:10 bonobo kernel: [109525.538982] CPU: 5 PID: 0 Comm: swapper/5 Tainted: P OE 4.15.0-34-generic #37-Ubuntu Sep 24 11:42:10 bonobo kernel: [109525.538983] Hardware name: System76, Inc. Bonobo WS /Bonobo WS , BIOS 4.6.5 05/15/2015 Sep 24 11:42:10 bonobo kernel: [109525.538993] RIP: 0010:iwl_trans_pcie_grab_nic_access+0xea/0xf0 [iwlwifi] Sep 24 11:42:10 bonobo kernel: [109525.538995] RSP: 0018:ffff89ce6ed43dc8 EFLAGS: 00010086 Sep 24 11:42:10 bonobo kernel: [109525.538997] RAX: 0000000000000000 RBX: ffff89ce442c0018 RCX: 0000000000000006 Sep 24 11:42:10 bonobo kernel: [109525.538999] RDX: 0000000000000007 RSI: 0000000000000092 RDI: ffff89ce6ed56490 Sep 24 11:42:10 bonobo kernel: [109525.539000] RBP: ffff89ce6ed43de0 R08: 0000000000000001 R09: 0000000000000e23 Sep 24 11:42:10 bonobo kernel: [109525.539001] R10: ffffeee191aff540 R11: 0000000000000000 R12: ffff89ce442c8f00 Sep 24 11:42:10 bonobo kernel: [109525.539002] R13: ffff89ce6ed43df0 R14: 000000000000000a R15: ffff89ce442c0018 Sep 24 11:42:10 bonobo kernel: [109525.539005] FS: 0000000000000000(0000) GS:ffff89ce6ed40000(0000) knlGS:0000000000000000 Sep 24 11:42:10 bonobo kernel: [109525.539006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 24 11:42:10 bonobo kernel: [109525.539008] CR2: 00002181c2c8b000 CR3: 00000002e640a005 CR4: 00000000001606e0 Sep 24 11:42:10 bonobo kernel: [109525.539009] Call Trace: Sep 24 11:42:10 bonobo kernel: [109525.539011] <IRQ> Sep 24 11:42:10 bonobo kernel: [109525.539020] iwl_read_prph+0x38/0x90 [iwlwifi] Sep 24 11:42:10 bonobo kernel: [109525.539030] iwl_trans_pcie_log_scd_error+0x125/0x1f0 [iwlwifi] Sep 24 11:42:10 bonobo kernel: [109525.539038] ? iwl_pcie_txq_build_tfd+0xe0/0xe0 [iwlwifi] Sep 24 11:42:10 bonobo kernel: [109525.539045] iwl_pcie_txq_stuck_timer+0x46/0x70 [iwlwifi] Sep 24 11:42:10 bonobo kernel: [109525.539052] call_timer_fn+0x30/0x130 Sep 24 11:42:10 bonobo kernel: [109525.539056] run_timer_softirq+0x3fb/0x450 Sep 24 11:42:10 bonobo kernel: [109525.539059] ? ktime_get+0x43/0xa0 Sep 24 11:42:10 bonobo kernel: [109525.539063] ? lapic_next_deadline+0x26/0x30 Sep 24 11:42:10 bonobo kernel: [109525.539066] __do_softirq+0xe4/0x2bb Sep 24 11:42:10 bonobo kernel: [109525.539071] irq_exit+0xb8/0xc0 Sep 24 11:42:10 bonobo kernel: [109525.539073] smp_apic_timer_interrupt+0x79/0x130 Sep 24 11:42:10 bonobo kernel: [109525.539075] apic_timer_interrupt+0x84/0x90 Sep 24 11:42:10 bonobo kernel: [109525.539076] </IRQ> Sep 24 11:42:10 bonobo kernel: [109525.539082] RIP: 0010:cpuidle_enter_state+0xa7/0x2f0 Sep 24 11:42:10 bonobo kernel: [109525.539083] RSP: 0018:ffffb61c431c7e68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11 Sep 24 11:42:10 bonobo kernel: [109525.539085] RAX: ffff89ce6ed62880 RBX: 0000639ce5c60570 RCX: 000000000000001f Sep 24 11:42:10 bonobo kernel: [109525.539087] RDX: 0000639ce5c60570 RSI: 00005408b814daf7 RDI: 0000000000000000 Sep 24 11:42:10 bonobo kernel: [109525.539088] RBP: ffffb61c431c7ea8 R08: 0000000000000bfb R09: 00000000000001ed Sep 24 11:42:10 bonobo kernel: [109525.539089] R10: ffffb61c431c7e38 R11: 00000000000009c1 R12: ffff89ce6ed6ca68 Sep 24 11:42:10 bonobo kernel: [109525.539091] R13: 0000000000000004 R14: ffffffff9a771c78 R15: 0000000000000000 Sep 24 11:42:10 bonobo kernel: [109525.539095] ? cpuidle_enter_state+0x97/0x2f0 Sep 24 11:42:10 bonobo kernel: [109525.539098] cpuidle_enter+0x17/0x20 Sep 24 11:42:10 bonobo kernel: [109525.539103] call_cpuidle+0x23/0x40 Sep 24 11:42:10 bonobo kernel: [109525.539106] do_idle+0x18c/0x1f0 Sep 24 11:42:10 bonobo kernel: [109525.539109] cpu_startup_entry+0x73/0x80 Sep 24 11:42:10 bonobo kernel: [109525.539112] start_secondary+0x1ab/0x200 Sep 24 11:42:10 bonobo kernel: [109525.539116] secondary_startup_64+0xa5/0xb0 Sep 24 11:42:10 bonobo kernel: [109525.539118] Code: 00 00 e8 aa 1f 36 d8 eb 9d 48 89 df be 24 00 00 00 c6 05 f2 62 02 00 01 e8 a4 ec fe ff 48 c7 c7 20 61 84 c1 89 c6 e8 16 5c a6 d7 <0f> 0b eb bb 66 90 0f 1f 44 00 00 55 49 c7 c0 60 61 84 c1 48 c7 Sep 24 11:42:10 bonobo kernel: [109525.539163] ---[ end trace 4fee7c8dba8479d7 ]--- Sep 24 11:42:10 bonobo kernel: [109525.592084] iwlwifi 0000:04:00.0: Queue 10 is active on fifo 2 and stuck for 10000 ms. SW [247, 164] HW [90, 90] FH TRB=0x05a5a5a5a To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1793997/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp