** Package changed: linux-meta (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1830210
Title: kernel panic on iwlwifi 7260 Status in linux package in Ubuntu: New Bug description: Every now and then, the wifi drops, and following trace in the kernel log: May 23 14:41:06 vaio kernel: [ 83.481767] ------------[ cut here ]------------ May 23 14:41:06 vaio kernel: [ 83.481771] Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff) May 23 14:41:06 vaio kernel: [ 83.481819] WARNING: CPU: 1 PID: 0 at drivers/net/wireless/intel/iwlwifi/pcie/trans.c:2030 iwl_trans_pcie_grab_nic_access+0x1ee/0x220 [iwlwifi] May 23 14:41:06 vaio kernel: [ 83.481820] Modules linked in: rfcomm ccm cmac bnep nls_iso8859_1 pn544_mei mei_phy pn544 hci nfc arc4 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_ codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_seq_midi iwlmvm snd_seq_midi_event mac80211 videobuf2_common videode v snd_rawmidi media iwlwifi intel_rapl snd_seq x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel cfg80211 intel_cstate intel_rapl_perf btusb btrtl snd_seq_device btbcm snd_timer input_leds joyde v btintel serio_raw bluetooth snd ecdh_generic mei_me soundcore mei sony_laptop mac_hid intel_smartconnect sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 crypto_simd glue_helper ae s_x86_64 algif_skcipher af_alg dm_crypt i915 kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper syscopyarea sysfillrect sysimgblt ghash_c lmulni_intel cryptd psmouse May 23 14:41:06 vaio kernel: [ 83.481866] fb_sys_fops lpc_ich i2c_i801 ahci drm libahci video May 23 14:41:06 vaio kernel: [ 83.481874] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.0.0-15-generic #16-Ubuntu May 23 14:41:06 vaio kernel: [ 83.481875] Hardware name: Sony Corporation SVP1121D4E/VAIO, BIOS R1041V7 11/05/2013 May 23 14:41:06 vaio kernel: [ 83.481889] RIP: 0010:iwl_trans_pcie_grab_nic_access+0x1ee/0x220 [iwlwifi] May 23 14:41:06 vaio kernel: [ 83.481892] Code: 1c d6 49 8d 57 08 bf 00 20 00 00 e8 fc 77 a4 d4 e9 36 ff ff ff 89 c6 48 c7 c7 a8 12 89 c0 c6 05 73 a9 02 00 01 e8 54 93 a2 d4 <0f> 0b e9 f1 fe ff ff 48 8b 7b 30 48 c7 c1 10 13 89 c0 31 d2 31 f6 May 23 14:41:06 vaio kernel: [ 83.481893] RSP: 0018:ffff95019b903dc0 EFLAGS: 00010082 May 23 14:41:06 vaio kernel: [ 83.481896] RAX: 0000000000000000 RBX: ffff9501883a0018 RCX: 0000000000000006 May 23 14:41:06 vaio kernel: [ 83.481897] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff95019b916440 May 23 14:41:06 vaio kernel: [ 83.481899] RBP: ffff95019b903de8 R08: 0000000000000001 R09: 0000000000000332 May 23 14:41:06 vaio kernel: [ 83.481900] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 May 23 14:41:06 vaio kernel: [ 83.481901] R13: ffff9501883aa434 R14: ffff95019b903df8 R15: 00000000ffffffff May 23 14:41:06 vaio kernel: [ 83.481903] FS: 0000000000000000(0000) GS:ffff95019b900000(0000) knlGS:0000000000000000 May 23 14:41:06 vaio kernel: [ 83.481905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 May 23 14:41:06 vaio kernel: [ 83.481906] CR2: 00007f0d252fd000 CR3: 00000000b18b0003 CR4: 00000000000606e0 May 23 14:41:06 vaio kernel: [ 83.481908] Call Trace: May 23 14:41:06 vaio kernel: [ 83.481910] <IRQ> May 23 14:41:06 vaio kernel: [ 83.481922] iwl_read_prph+0x38/0x90 [iwlwifi] May 23 14:41:06 vaio kernel: [ 83.481936] iwl_trans_pcie_log_scd_error+0x13b/0x210 [iwlwifi] May 23 14:41:06 vaio kernel: [ 83.481942] ? trigger_load_balance+0x3b/0x1a0 May 23 14:41:06 vaio kernel: [ 83.481953] iwl_pcie_txq_stuck_timer+0x4b/0x70 [iwlwifi] May 23 14:41:06 vaio kernel: [ 83.481964] ? iwl_pcie_tfd_unmap.isra.35+0x1e0/0x1e0 [iwlwifi] May 23 14:41:06 vaio kernel: [ 83.481968] call_timer_fn+0x30/0x130 May 23 14:41:06 vaio kernel: [ 83.481970] run_timer_softirq+0x3ea/0x420 May 23 14:41:06 vaio kernel: [ 83.481973] ? ktime_get+0x3c/0xa0 May 23 14:41:06 vaio kernel: [ 83.481978] ? lapic_next_deadline+0x26/0x30 May 23 14:41:06 vaio kernel: [ 83.481981] ? clockevents_program_event+0x93/0xf0 May 23 14:41:06 vaio kernel: [ 83.481986] __do_softirq+0xdc/0x2f3 May 23 14:41:06 vaio kernel: [ 83.481991] irq_exit+0xc0/0xd0 May 23 14:41:06 vaio kernel: [ 83.481994] smp_apic_timer_interrupt+0x79/0x140 May 23 14:41:06 vaio kernel: [ 83.481997] apic_timer_interrupt+0xf/0x20 May 23 14:41:06 vaio kernel: [ 83.481998] </IRQ> May 23 14:41:06 vaio kernel: [ 83.482004] RIP: 0010:cpuidle_enter_state+0xbd/0x450 May 23 14:41:06 vaio kernel: [ 83.482006] Code: ff e8 07 40 87 ff 80 7d c7 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 63 03 00 00 31 ff e8 fa 6e 8d ff fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 8d 02 00 00 49 63 cd 48 8b 75 d0 48 2b 75 c8 48 8d May 23 14:41:06 vaio kernel: [ 83.482007] RSP: 0018:ffffb583c06b7e60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 May 23 14:41:06 vaio kernel: [ 83.482009] RAX: ffff95019b922d80 RBX: ffffffff96953c80 RCX: 000000000000001f May 23 14:41:06 vaio kernel: [ 83.482011] RDX: 000000136ed9dbac RSI: 000000004b77f228 RDI: 0000000000000000 May 23 14:41:06 vaio kernel: [ 83.482012] RBP: ffffb583c06b7ea0 R08: 0000000000000004 R09: 0000000000022640 May 23 14:41:06 vaio kernel: [ 83.482013] R10: 000000251f094f9f R11: ffff95019b921c04 R12: ffff95019b92cd00 May 23 14:41:06 vaio kernel: [ 83.482014] R13: 0000000000000002 R14: ffffffff96953d58 R15: ffffffff96953d40 May 23 14:41:06 vaio kernel: [ 83.482020] cpuidle_enter+0x17/0x20 May 23 14:41:06 vaio kernel: [ 83.482025] call_cpuidle+0x23/0x40 May 23 14:41:06 vaio kernel: [ 83.482028] do_idle+0x23a/0x280 May 23 14:41:06 vaio kernel: [ 83.482032] cpu_startup_entry+0x1d/0x20 May 23 14:41:06 vaio kernel: [ 83.482036] start_secondary+0x1ab/0x200 May 23 14:41:06 vaio kernel: [ 83.482039] secondary_startup_64+0xa4/0xb0 May 23 14:41:06 vaio kernel: [ 83.482043] ---[ end trace e5b14a88037046bd ]--- May 23 14:41:06 vaio kernel: [ 83.482048] iwlwifi 0000:01:00.0: iwlwifi transaction failed, dumping registers May 23 14:41:06 vaio kernel: [ 83.482053] iwlwifi 0000:01:00.0: iwlwifi device config registers: May 23 14:41:06 vaio kernel: [ 83.482098] iwlwifi 0000:01:00.0: 00000000: 08b18086 00100000 0280006b 00000000 00000004 00000000 00000000 00000000 May 23 14:41:06 vaio kernel: [ 83.482103] iwlwifi 0000:01:00.0: 00000020: 00000000 00000000 00000000 c0608086 00000000 000000c8 00000000 00000100 May 23 14:41:06 vaio kernel: [ 83.482105] iwlwifi 0000:01:00.0: iwlwifi device memory mapped registers: May 23 14:41:06 vaio kernel: [ 83.482135] iwlwifi 0000:01:00.0: 00000000: ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff May 23 14:41:06 vaio kernel: [ 83.482138] iwlwifi 0000:01:00.0: 00000020: ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff May 23 14:41:06 vaio kernel: [ 83.482144] iwlwifi 0000:01:00.0: iwlwifi device AER capability structure: May 23 14:41:06 vaio kernel: [ 83.482169] iwlwifi 0000:01:00.0: 00000000: 14010001 00100000 00000000 00462031 00002000 00002000 00000014 40000001 May 23 14:41:06 vaio kernel: [ 83.482172] iwlwifi 0000:01:00.0: 00000020: 0000000f f7e00460 00000000 May 23 14:41:06 vaio kernel: [ 83.482174] iwlwifi 0000:01:00.0: iwlwifi parent port (0000:00:1c.0) config registers: May 23 14:41:06 vaio kernel: [ 83.482195] iwlwifi 0000:00:1c.0: 00000000: 9c148086 00100007 060400e4 00810010 00000000 00000000 00010100 20003030 May 23 14:41:06 vaio kernel: [ 83.482198] iwlwifi 0000:00:1c.0: 00000020: f7e0f7e0 df31df21 00000000 00000000 00000000 00000040 00000000 001003ff May 23 14:41:06 vaio kernel: [ 83.534720] iwlwifi 0000:01:00.0: Queue 10 is active on fifo 2 and stuck for 10000 ms. SW [10, 27] HW [90, 90] FH TRB=0x05a5a5a5a May 23 14:41:10 vaio kernel: [ 87.708933] iwlwifi 0000:01:00.0: Failed to wake NIC for hcmd May 23 14:41:10 vaio kernel: [ 87.709009] iwlwifi 0000:01:00.0: Error sending STATISTICS_CMD: enqueue_hcmd failed: -5 May 23 14:41:10 vaio kernel: [ 87.727632] iwlwifi 0000:01:00.0: Failed to wake NIC for hcmd May 23 14:41:10 vaio kernel: [ 87.727676] iwlwifi 0000:01:00.0: Error sending STATISTICS_CMD: enqueue_hcmd failed: -5 May 23 14:41:16 vaio kernel: [ 93.708148] iwlwifi 0000:01:00.0: Failed to wake NIC for hcmd May 23 14:41:16 vaio kernel: [ 93.708227] iwlwifi 0000:01:00.0: Error sending STATISTICS_CMD: enqueue_hcmd failed: -5 May 23 14:41:16 vaio kernel: [ 93.726583] iwlwifi 0000:01:00.0: Failed to wake NIC for hcmd May 23 14:41:16 vaio kernel: [ 93.726760] iwlwifi 0000:01:00.0: Error sending STATISTICS_CMD: enqueue_hcmd failed: -5 May 23 14:41:22 vaio kernel: [ 99.707798] iwlwifi 0000:01:00.0: Failed to wake NIC for hcmd The wifi does not recover even when unloading/reloading the iwlwifi & iwlmwm modules. 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