Comment 10 for bug 1793997

Latest Ubuntu kernel 4.15.0-36 is even more unstable. Can last only 24 hours before it crashes. Here is the latest log:

Oct 3 09:55:58 bonobo kernel: [17560.275628] iwlwifi 0000:04:00.0: iwlwifi transaction failed, dumping registers
Oct 3 09:55:58 bonobo kernel: [17560.275637] iwlwifi 0000:04:00.0: iwlwifi device config registers:
Oct 3 09:55:58 bonobo kernel: [17560.275688] iwlwifi 0000:04:00.0: 00000000: 08b18086 00100000 028000bb 00000000 00000004 00000000 00000000 00000000
Oct 3 09:55:58 bonobo kernel: [17560.275694] iwlwifi 0000:04:00.0: 00000020: 00000000 00000000 00000000 40708086 00000000 000000c8 00000000 00000100
Oct 3 09:55:58 bonobo kernel: [17560.275698] iwlwifi 0000:04:00.0: iwlwifi device memory mapped registers:
Oct 3 09:55:58 bonobo kernel: [17560.275732] iwlwifi 0000:04:00.0: 00000000: ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff
Oct 3 09:55:58 bonobo kernel: [17560.275738] iwlwifi 0000:04:00.0: 00000020: ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff
Oct 3 09:55:58 bonobo kernel: [17560.275745] iwlwifi 0000:04:00.0: iwlwifi device AER capability structure:
Oct 3 09:55:58 bonobo kernel: [17560.275774] iwlwifi 0000:04:00.0: 00000000: 14010001 00100000 00000000 00462031 00003141 00002000 00000014 40000001
Oct 3 09:55:58 bonobo kernel: [17560.275778] iwlwifi 0000:04:00.0: 00000020: 0000000f ec100460 00000000
Oct 3 09:55:58 bonobo kernel: [17560.275783] iwlwifi 0000:04:00.0: iwlwifi parent port (0000:00:1c.3) config registers:
Oct 3 09:55:58 bonobo kernel: [17560.275807] iwlwifi 0000:00:1c.3: 00000000: 8c168086 00100007 060400d5 00810010 00000000 00000000 00040400 200000f0
Oct 3 09:55:58 bonobo kernel: [17560.275813] iwlwifi 0000:00:1c.3: 00000020: ec10ec10 0001fff1 00000000 00000000 00000000 00000040 00000000 00100405
Oct 3 09:55:58 bonobo kernel: [17560.275818] ------------[ cut here ]------------
Oct 3 09:55:58 bonobo kernel: [17560.275820] Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff)
Oct 3 09:55:58 bonobo kernel: [17560.275891] WARNING: CPU: 7 PID: 0 at /build/linux-39dmni/linux-4.15.0/drivers/net/wireless/intel/iwlwifi/pcie/trans.c:1973 iwl_trans_pcie_grab_nic_access+0xea/0xf0 [iwlwifi]
Oct 3 09:55:58 bonobo kernel: [17560.275892] Modules linked in: rfcomm ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 xt_comment vmnet(OE) pci_stub vmw_vsock_vmci_transport vsock vboxpci(OE) xfrm_user vboxnetadp(OE) vmw_vmci xfrm4_tunnel tunnel4 vboxnetflt(OE) ipcomp vmmon(OE) xfrm_ipcomp vboxdrv(OE) esp4 ah4 af_key xfrm_algo ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat ec_sys 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 binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) algif_skcipher af_alg dm_crypt snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp arc4
Oct 3 09:55:58 bonobo kernel: [17560.275963] kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd btusb uvcvideo btrtl videobuf2_vmalloc btbcm videobuf2_memops btintel videobuf2_v4l2 snd_hda_codec_realtek snd_hda_codec_generic videobuf2_core bluetooth videodev ecdh_generic media snd_hda_intel snd_hda_codec snd_usb_audio snd_hda_core snd_usbmidi_lib snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi intel_cstate iwlmvm mac80211 snd_seq iwlwifi snd_seq_device intel_rapl_perf snd_timer joydev input_leds serio_raw snd rtsx_pci_ms mxm_wmi wmi_bmof cfg80211 mei_me memstick soundcore nvidia_uvm(POE) mei lpc_ich shpchp ie31200_edac mac_hid sch_fq_codel parport_pc ppdev sunrpc lp parport ip_tables x_tables autofs4 btrfs xor zstd_compress raid6_pq
Oct 3 09:55:58 bonobo kernel: [17560.276038] dm_mirror dm_region_hash dm_log hid_generic usbhid hid nvidia_drm(POE) rtsx_pci_sdmmc nvidia_modeset(POE) nvidia(POE) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci libahci psmouse r8169 ipmi_devintf rtsx_pci mii ipmi_msghandler wmi video
Oct 3 09:55:58 bonobo kernel: [17560.276071] CPU: 7 PID: 0 Comm: swapper/7 Tainted: P OE 4.15.0-36-generic #39-Ubuntu
Oct 3 09:55:58 bonobo kernel: [17560.276073] Hardware name: System76, Inc. Bonobo WS /Bonobo WS , BIOS 4.6.5 05/15/2015
Oct 3 09:55:58 bonobo kernel: [17560.276085] RIP: 0010:iwl_trans_pcie_grab_nic_access+0xea/0xf0 [iwlwifi]
Oct 3 09:55:58 bonobo kernel: [17560.276088] RSP: 0018:ffff98bdeedc3dc8 EFLAGS: 00010086
Oct 3 09:55:58 bonobo kernel: [17560.276090] RAX: 0000000000000000 RBX: ffff98bdc83d0018 RCX: 0000000000000006
Oct 3 09:55:58 bonobo kernel: [17560.276092] RDX: 0000000000000007 RSI: 0000000000000092 RDI: ffff98bdeedd6490
Oct 3 09:55:58 bonobo kernel: [17560.276094] RBP: ffff98bdeedc3de0 R08: 0000000000000001 R09: 00000000000005ab
Oct 3 09:55:58 bonobo kernel: [17560.276096] R10: fffffba6612a75c0 R11: 0000000000000000 R12: ffff98bdc83d8f00
Oct 3 09:55:58 bonobo kernel: [17560.276098] R13: ffff98bdeedc3df0 R14: 000000000000000a R15: ffff98bdc83d0018
Oct 3 09:55:58 bonobo kernel: [17560.276101] FS: 0000000000000000(0000) GS:ffff98bdeedc0000(0000) knlGS:0000000000000000
Oct 3 09:55:58 bonobo kernel: [17560.276103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 3 09:55:58 bonobo kernel: [17560.276105] CR2: 00002805084ce648 CR3: 000000017e60a006 CR4: 00000000001606e0
Oct 3 09:55:58 bonobo kernel: [17560.276107] Call Trace:
Oct 3 09:55:58 bonobo kernel: [17560.276110] <IRQ>
Oct 3 09:55:58 bonobo kernel: [17560.276122] iwl_read_prph+0x38/0x90 [iwlwifi]
Oct 3 09:55:58 bonobo kernel: [17560.276135] iwl_trans_pcie_log_scd_error+0x125/0x1f0 [iwlwifi]
Oct 3 09:55:58 bonobo kernel: [17560.276146] ? iwl_pcie_txq_build_tfd+0xe0/0xe0 [iwlwifi]
Oct 3 09:55:58 bonobo kernel: [17560.276156] iwl_pcie_txq_stuck_timer+0x46/0x70 [iwlwifi]
Oct 3 09:55:58 bonobo kernel: [17560.276164] call_timer_fn+0x30/0x130
Oct 3 09:55:58 bonobo kernel: [17560.276167] run_timer_softirq+0x3fb/0x450
Oct 3 09:55:58 bonobo kernel: [17560.276170] ? ktime_get+0x43/0xa0
Oct 3 09:55:58 bonobo kernel: [17560.276176] ? lapic_next_deadline+0x26/0x30
Oct 3 09:55:58 bonobo kernel: [17560.276180] __do_softirq+0xe4/0x2bb
Oct 3 09:55:58 bonobo kernel: [17560.276186] irq_exit+0xb8/0xc0
Oct 3 09:55:58 bonobo kernel: [17560.276189] smp_apic_timer_interrupt+0x79/0x130
Oct 3 09:55:58 bonobo kernel: [17560.276192] apic_timer_interrupt+0x84/0x90
Oct 3 09:55:58 bonobo kernel: [17560.276194] </IRQ>
Oct 3 09:55:58 bonobo kernel: [17560.276200] RIP: 0010:cpuidle_enter_state+0xa7/0x2f0
Oct 3 09:55:58 bonobo kernel: [17560.276201] RSP: 0018:ffffb51a431d7e68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
Oct 3 09:55:58 bonobo kernel: [17560.276205] RAX: ffff98bdeede2880 RBX: 00000ff890ef6ef4 RCX: 000000000000001f
Oct 3 09:55:58 bonobo kernel: [17560.276207] RDX: 00000ff890ef6ef4 RSI: 000007eb3871eb18 RDI: 0000000000000000
Oct 3 09:55:58 bonobo kernel: [17560.276208] RBP: ffffb51a431d7ea8 R08: 0000000000000f4a R09: 00000000000000bd
Oct 3 09:55:58 bonobo kernel: [17560.276210] R10: ffffb51a431d7e38 R11: 0000000000000b2c R12: ffff98bdeedeca68
Oct 3 09:55:58 bonobo kernel: [17560.276212] R13: 0000000000000003 R14: ffffffff9bb71c58 R15: 0000000000000000
Oct 3 09:55:58 bonobo kernel: [17560.276218] ? cpuidle_enter_state+0x97/0x2f0
Oct 3 09:55:58 bonobo kernel: [17560.276223] cpuidle_enter+0x17/0x20
Oct 3 09:55:58 bonobo kernel: [17560.276227] call_cpuidle+0x23/0x40
Oct 3 09:55:58 bonobo kernel: [17560.276231] do_idle+0x18c/0x1f0
Oct 3 09:55:58 bonobo kernel: [17560.276236] cpu_startup_entry+0x73/0x80
Oct 3 09:55:58 bonobo kernel: [17560.276240] start_secondary+0x1ab/0x200
Oct 3 09:55:58 bonobo kernel: [17560.276244] secondary_startup_64+0xa5/0xb0
Oct 3 09:55:58 bonobo kernel: [17560.276246] Code: 00 00 e8 2a c0 70 d9 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 e1 89 c1 89 c6 e8 86 dc e0 d8 <0f> 0b eb bb 66 90 0f 1f 44 00 00 55 49 c7 c0 60 e1 89 c1 48 c7
Oct 3 09:55:58 bonobo kernel: [17560.276308] ---[ end trace c4fe5e286cc3a476 ]---
Oct 3 09:55:58 bonobo kernel: [17560.329348] iwlwifi 0000:04:00.0: Queue 10 is active on fifo 2 and stuck for 10000 ms. SW [190, 8] HW [90, 90] FH TRB=0x05a5a5a5a