linux-kernel - Slow firmware timeouts again (Re: [3.11 regression?] iwlwifi firmware takes two minutes to load)

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Date:	Fri, 2 Aug 2013 09:04:44 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Linux Wireless List <linux-wireless@...r.kernel.org>,
	Intel Linux Wireless <ilw@...ux.intel.com>,
	linux-hotplug@...r.kernel.org, linux-kernel@...r.kernel.org,
	systemd-devel@...ts.freedesktop.org
Subject: Slow firmware timeouts again (Re: [3.11 regression?] iwlwifi firmware
 takes two minutes to load)

[cc: linux-kernel, linux-hotplug, and systemd-devel.  This is 3.11-rc3+]

On Fri, Aug 2, 2013 at 12:38 AM, Johannes Berg
<johannes@...solutions.net> wrote:
> On Thu, 2013-08-01 at 21:38 -0700, Andy Lutomirski wrote:
>> At boot, I get:
>> [   12.537108] iwlwifi 0000:03:00.0: irq 51 for MSI/MSI-X
>> ...
>> [  132.676781] iwlwifi 0000:03:00.0: loaded firmware version 9.221.4.1
>> build 25532 op_mode iwldvm
>>
>> This sounds familiar, but wasn't it fixed awhile ago?
>
> It wasn't exactly fixed and it's really more of a userspace problem - we
> probably request firmware version 8, and then it takes 30 seconds to
> time out for each of 8,7,6,5, after which the next request for 4 is
> successful.

Why's it requesting those firmwares?  They don't seem to exist on
intellinuxwireless.org.

I have:

CONFIG_FW_LOADER=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_EXTRA_FIRMWARE=""
CONFIG_FW_LOADER_USER_HELPER=y


>
> I don't know why your userspace isn't behaving differently though.
>
> johannes
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
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