Linux-Wireless Archive on lore.kernel.org
 help / color / Atom feed
From: Jens Axboe <axboe@kernel.dk>
To: "Coelho, Luciano" <luciano.coelho@intel.com>,
	"Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>,
	"Berg, Johannes" <johannes.berg@intel.com>
Cc: linuxwifi <linuxwifi@intel.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: iwlwifi firmware load broken in current -git
Date: Tue, 12 Sep 2017 10:35:33 -0600
Message-ID: <d8c38f27-cdc3-bc91-8900-907744cd1ebf@kernel.dk> (raw)
In-Reply-To: <1505232673.5400.243.camel@intel.com>

On 09/12/2017 10:11 AM, Coelho, Luciano wrote:
> Hi Jens,
> 
> On Tue, 2017-09-12 at 09:48 -0600, Jens Axboe wrote:
>> Hi,
>>
>> I have no wifi in current git (8fac2f96ab8), it simply fails with:
>>
>> [    4.363481] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-34.ucode failed with error -2
>> [    4.363733] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-33.ucode failed with error -2
>> [    4.363744] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-32.ucode failed with error -2
>> [    4.368077] iwlwifi 0000:04:00.0: loaded firmware version 31.532993.0 op_mode iwlmvm
>> [    4.461753] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
>> [ ... ]
>> [    9.510570] iwlwifi 0000:04:00.0: Failed to load firmware chunk!             
>> [    9.513903] iwlwifi 0000:04:00.0: Could not load the [0] uCode section       
>> [    9.516201] iwlwifi 0000:04:00.0: Failed to start INIT ucode: -110           
>> [    9.530842] iwlwifi 0000:04:00.0: Failed to run INIT ucode: -110             
>>
>> I get the same thing with -27 of the firmware:
>>
>> [   60.990831] Intel(R) Wireless WiFi driver for Linux                          
>> [   60.990833] Copyright(c) 2003- 2015 Intel Corporation                        
>> [   60.991936] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-34.ucode failed with error -2
>> [   60.991941] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-33.ucode failed with error -2
>> [   60.991946] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-32.ucode failed with error -2
>> [   60.991957] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-31.ucode failed with error -2
>> [   60.991964] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-30.ucode failed with error -2
>> [   60.991969] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-29.ucode failed with error -2
>> [   60.991975] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-28.ucode failed with error -2
>> [   61.029852] iwlwifi 0000:04:00.0: loaded firmware version 27.541033.0 op_mode iwlmvm
>> [   61.043660] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
>> [   66.070135] iwlwifi 0000:04:00.0: Failed to load firmware chunk!             
>> [   66.070149] iwlwifi 0000:04:00.0: Could not load the [0] uCode section       
>> [   66.070165] iwlwifi 0000:04:00.0: Failed to start INIT ucode: -110           
>> [   66.083462] iwlwifi 0000:04:00.0: Failed to run INIT ucode: -110             
>>
>> Things work fine in 4.13-rc7+, which was the last kernel I ran on my laptop.
> 
> This is strange, Linus has been running this same combination with -31
> (with -27 we had a regression, but it was fixed recently and the fix is
> in the current master).  I have also tried this combination with both
> -27 and -31 after my fix and it works fine.

It's 100% reproducible, I booted in and out of current -git and 4.13-rc7+
a few times and the latter never works while the former works fine. I
haven't seen this issue before on previous kernels.

> There are only a couple of other patches that may affect iwlwifi since
> the previous net-next.git pull request...
> 
> I'll try this combination on my machine and see if I can reproduce the
> problem.

Let me know if you have something I can try.

-- 
Jens Axboe

  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-12 15:48 Jens Axboe
2017-09-12 16:11 ` Coelho, Luciano
2017-09-12 16:35   ` Jens Axboe [this message]
2017-09-12 16:36   ` Luca Coelho
2017-09-12 16:59     ` Jens Axboe
2017-09-12 19:43     ` Jens Axboe
2017-09-12 19:51       ` Luca Coelho
2017-09-12 20:04       ` Johannes Berg
2017-09-14 17:00         ` Jens Axboe
2017-09-14 17:11           ` Bjorn Helgaas
2017-09-14 17:22             ` Jens Axboe
2017-09-14 17:28               ` Srinath Mannam
2017-09-14 17:35                 ` Jens Axboe
2017-09-14 17:44                   ` Srinath Mannam
2017-09-14 17:45                     ` Jens Axboe
2017-09-14 17:50                     ` Johannes Berg
2017-09-14 17:44                   ` Jens Axboe
2017-09-14 20:04                     ` Srinath Mannam
2017-09-14 20:36                       ` Jens Axboe
2017-09-15 19:32                         ` Jens Axboe
2017-09-15 19:36                           ` Luca Coelho
2017-09-15 19:46                             ` Jens Axboe
2017-09-15 19:38                           ` Linus Torvalds
2017-09-15 19:43                             ` Luca Coelho
2017-09-15 19:51                               ` Linus Torvalds
2017-09-15 19:57                                 ` Jens Axboe
2017-09-15 19:48                             ` Jens Axboe
2017-09-15 19:51                               ` Luca Coelho
2017-09-15 19:55                                 ` Jens Axboe
2017-09-16  3:03                                   ` Bjorn Helgaas
2017-09-16 18:53                                     ` Jens Axboe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=d8c38f27-cdc3-bc91-8900-907744cd1ebf@kernel.dk \
    --to=axboe@kernel.dk \
    --cc=emmanuel.grumbach@intel.com \
    --cc=johannes.berg@intel.com \
    --cc=linux-wireless@vger.kernel.org \
    --cc=linuxwifi@intel.com \
    --cc=luciano.coelho@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-Wireless Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-wireless/0 linux-wireless/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-wireless linux-wireless/ https://lore.kernel.org/linux-wireless \
		linux-wireless@vger.kernel.org
	public-inbox-index linux-wireless

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-wireless


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git