For kernel 4.12.0-041200rc2-generic, there is no microcode software error, but I'm not 100% sure that there is no bug in upstream. Instead of this there is a:
[19539.037240] BUG: scheduling while atomic: irq/323-iwlwifi/493/0x7ffffe00 [19539.037241] Modules linked in: ccm rfcomm option usb_wwan usbserial bnep snd_hda_codec_hdmi nls_iso8859_1 arc4 i2c_designware_platform 8250_dw i2c_designware_core intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_hda_codec_realtek snd_hda_codec_generic iwlmvm snd_hda_intel aesni_intel snd_hda_codec snd_hda_core aes_x86_64 mac80211 snd_hwdep crypto_simd glue_helper cryptd intel_cstate intel_rapl_perf snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw input_leds joydev snd_seq_device iwlwifi snd_timer btusb btrtl snd soundcore cfg80211 hci_uart btbcm serdev btqca btintel bluetooth idma64 shpchp ecdh_generic virt_dma mei_me intel_pch_thermal mei intel_lpss_pci mac_hid intel_lpss_acpi intel_lpss acpi_pad [19539.037258] acpi_als kfifo_buf industrialio coretemp parport_pc ppdev lp parport autofs4 uas usb_storage hid_logitech_hidpp hid_logitech_dj hid_generic usbhid nouveau mxm_wmi i2c_algo_bit ttm drm_kms_helper r8169 syscopyarea mii sysfillrect sysimgblt fb_sys_fops ahci i2c_hid drm psmouse libahci hid wmi video pinctrl_sunrisepoint pinctrl_intel [19539.037268] CPU: 1 PID: 493 Comm: irq/323-iwlwifi Tainted: G W 4.12.0-041200rc2-generic #201705212331 [19539.037269] Hardware name: MSI MS-7970/Z170A TOMAHAWK AC (MS-7970), BIOS 1.90 10/17/2016 [19539.037269] Call Trace: [19539.037270] dump_stack+0x63/0x8d [19539.037271] __schedule_bug+0x54/0x70 [19539.037273] __schedule+0x644/0x850 [19539.037274] ? irq_finalize_oneshot.part.35+0xf0/0xf0 [19539.037275] schedule+0x36/0x80 [19539.037276] irq_thread+0xac/0x1a0 [19539.037277] ? irq_forced_thread_fn+0x70/0x70 [19539.037278] kthread+0x109/0x140 [19539.037279] ? free_irq+0x70/0x70 [19539.037280] ? kthread_create_on_node+0x70/0x70 [19539.037281] ret_from_fork+0x2c/0x40 Also at the begining there is a problem loading firmware: [ 8.607983] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-30.ucode failed with error -2 [ 8.608666] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-29.ucode failed with error -2 [ 8.608683] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-28.ucode failed with error -2 [ 8.608954] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-27.ucode failed with error -2 [ 8.608977] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-26.ucode failed with error -2 [ 8.608983] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-25.ucode failed with error -2 [ 8.609561] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-24.ucode failed with error -2 [ 8.609978] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-23.ucode failed with error -2 [ 8.610404] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-22.ucode failed with error -2 [ 8.623739] iwlwifi 0000:04:00.0: loaded firmware version 21.302800.0 op_mode iwlmvm and lots of iwlwifi 0000:04:00.0: Getting the temperature timed out see attached dmesg output. I will check with kernel 4.12.0-041200rc3 but it need some time for problem to occur. ** Attachment added: "dmesg output" https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1693618/+attachment/4887367/+files/intel.dmesg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1693618 Title: Microcode SW error detected. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1693618/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
