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From:   Emmanuel Grumbach <egrumbach@gmail.com>
Date:   Sat, 17 Nov 2018 22:15:28 +0200
Message-ID: <CANUX_P0a+Tw1tUh_Bbk6H5zY3Lusa7R0W568+yajeLUEKO=jZA@mail.gmail.com>
Subject: Re: Intel 8260 Firmware Init Failure
To:     thomas.gutteridge@gmail.com
Cc:     linux-wireless <linux-wireless@vger.kernel.org>
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>
> What can I do about this? My wireless card is unusable. Seems to be a
> spontaneous failure. This is the output of dmesg | grep iwlwifi:
>
> [    7.206387] iwlwifi 0000:02:00.0: enabling device (0000 -> 0002)
> [    7.215066] iwlwifi 0000:02:00.0: loaded firmware version
> 36.7596afd4.0 op_mode iwlmvm
> [    7.686950] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band
> Wireless AC 8260, REV=0x208
> [    7.769839] iwlwifi 0000:02:00.0: base HW address: 14:ab:c5:7c:5e:a2
> [    7.770427] iwlwifi 0000:02:00.0: Microcode SW error detected.
> Restarting 0x2000000.
> [    7.770555] iwlwifi 0000:02:00.0: Start IWL Error Log Dump:
> [    7.770557] iwlwifi 0000:02:00.0: Status: 0x00000100, count: 6
> [    7.770559] iwlwifi 0000:02:00.0: Loaded firmware version: 36.7596afd4.0
> [    7.770561] iwlwifi 0000:02:00.0: 0x00001392 | ADVANCED_SYSASSERT
> [    7.770562] iwlwifi 0000:02:00.0: 0x000002F2 | trm_hw_status0
> [    7.770564] iwlwifi 0000:02:00.0: 0x00000000 | trm_hw_status1
> [    7.770565] iwlwifi 0000:02:00.0: 0x000124BE | branchlink2
> [    7.770566] iwlwifi 0000:02:00.0: 0x0001C1E2 | interruptlink1
> [    7.770568] iwlwifi 0000:02:00.0: 0x00000000 | interruptlink2
> [    7.770569] iwlwifi 0000:02:00.0: 0x0000010B | data1
> [    7.770570] iwlwifi 0000:02:00.0: 0x00000000 | data2
> [    7.770572] iwlwifi 0000:02:00.0: 0xDEADBEEF | data3

Report of bug on bugzilla.kernel.org as explained here:
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging

From what I see this is a bug in calibrations. Not fun.

>
> This happened once before, about a year ago. It resolved itself when I
> tried installing Windows 10 and running an update. Now when I try a
> clean install of Windows 10 it bluescreens on startup with probable
> cause Netwtw06.sys.
>

Even less fun. When you want to compare this to any other problem you have seen,
please check the ASSERT number. In this case, you have ASSERT 1392.